| 1 |
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| 2 | |
| 3 | * Base unit test (KUnit) API.
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| 4 | *
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| 5 | * Copyright (C) 2019, Google LLC.
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| 6 | * Author: Brendan Higgins <[email protected]>
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| 7 |
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| 8 |
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| 9 | #ifndef _KUNIT_TEST_H
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| 10 | #define _KUNIT_TEST_H
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| 11 |
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| 12 | #include <kunit/assert.h>
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| 13 | #include <kunit/try-catch.h>
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| 14 |
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| 15 | #include <linux/args.h>
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| 16 | #include <linux/compiler.h>
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| 17 | #include <linux/container_of.h>
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| 18 | #include <linux/err.h>
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| 19 | #include <linux/init.h>
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| 20 | #include <linux/jump_label.h>
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| 21 | #include <linux/kconfig.h>
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| 22 | #include <linux/kref.h>
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| 23 | #include <linux/list.h>
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| 24 | #include <linux/module.h>
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| 25 | #include <linux/slab.h>
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| 26 | #include <linux/spinlock.h>
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| 27 | #include <linux/string.h>
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| 28 | #include <linux/types.h>
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| 29 |
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| 30 | #include <asm/rwonce.h>
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| 31 | #include <asm/sections.h>
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| 32 |
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| 33 |
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| 34 | DECLARE_STATIC_KEY_FALSE(kunit_running);
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| 35 |
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| 36 | struct kunit;
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| 37 | struct string_stream;
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| 38 |
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| 39 |
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| 40 | #define KUNIT_PARAM_DESC_SIZE 128
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| 41 |
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| 42 |
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| 43 | #define KUNIT_STATUS_COMMENT_SIZE 256
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| 44 |
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| 45 | |
| 46 | * TAP specifies subtest stream indentation of 4 spaces, 8 spaces for a
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| 47 | * sub-subtest. See the "Subtests" section in
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| 48 | * https://node-tap.org/tap-protocol/
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| 49 |
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| 50 | #define KUNIT_INDENT_LEN 4
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| 51 | #define KUNIT_SUBTEST_INDENT " "
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| 52 | #define KUNIT_SUBSUBTEST_INDENT " "
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| 53 |
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| 54 | |
| 55 | * enum kunit_status - Type of result for a test or test suite
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| 56 | * @KUNIT_SUCCESS: Denotes the test suite has not failed nor been skipped
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| 57 | * @KUNIT_FAILURE: Denotes the test has failed.
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| 58 | * @KUNIT_SKIPPED: Denotes the test has been skipped.
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| 59 |
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| 60 | enum kunit_status {
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| 61 | KUNIT_SUCCESS,
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| 62 | KUNIT_FAILURE,
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| 63 | KUNIT_SKIPPED,
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| 64 | };
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| 65 |
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| 66 |
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| 67 |
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| 68 | |
| 69 | * Speed Attribute is stored as an enum and separated into categories of
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| 70 | * speed: very_slow, slow, and normal. These speeds are relative to
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| 71 | * other KUnit tests.
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| 72 | *
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| 73 | * Note: unset speed attribute acts as default of KUNIT_SPEED_NORMAL.
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| 74 |
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| 75 | enum kunit_speed {
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| 76 | KUNIT_SPEED_UNSET,
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| 77 | KUNIT_SPEED_VERY_SLOW,
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| 78 | KUNIT_SPEED_SLOW,
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| 79 | KUNIT_SPEED_NORMAL,
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| 80 | KUNIT_SPEED_MAX = KUNIT_SPEED_NORMAL,
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| 81 | };
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| 82 |
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| 83 |
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| 84 | struct kunit_attributes {
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| 85 | enum kunit_speed speed;
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| 86 | };
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| 87 |
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| 88 | |
| 89 | * struct kunit_case - represents an individual test case.
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| 90 | *
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| 91 | * @run_case: the function representing the actual test case.
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| 92 | * @name: the name of the test case.
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| 93 | * @generate_params: the generator function for parameterized tests.
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| 94 | * @attr: the attributes associated with the test
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| 95 | * @param_init: The init function to run before a parameterized test.
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| 96 | * @param_exit: The exit function to run after a parameterized test.
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| 97 | *
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| 98 | * A test case is a function with the signature,
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| 99 | * ``void (*)(struct kunit *)``
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| 100 | * that makes expectations and assertions (see KUNIT_EXPECT_TRUE() and
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| 101 | * KUNIT_ASSERT_TRUE()) about code under test. Each test case is associated
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| 102 | * with a &struct kunit_suite and will be run after the suite's init
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| 103 | * function and followed by the suite's exit function.
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| 104 | *
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| 105 | * A test case should be static and should only be created with the
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| 106 | * KUNIT_CASE() macro; additionally, every array of test cases should be
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| 107 | * terminated with an empty test case.
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| 108 | *
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| 109 | * Example:
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| 110 | *
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| 111 | * .. code-block:: c
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| 112 | *
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| 113 | * void add_test_basic(struct kunit *test)
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| 114 | * {
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| 115 | * KUNIT_EXPECT_EQ(test, 1, add(1, 0));
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| 116 | * KUNIT_EXPECT_EQ(test, 2, add(1, 1));
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| 117 | * KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
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| 118 | * KUNIT_EXPECT_EQ(test, INT_MAX, add(0, INT_MAX));
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| 119 | * KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
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| 120 | * }
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| 121 | *
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| 122 | * static struct kunit_case example_test_cases[] = {
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| 123 | * KUNIT_CASE(add_test_basic),
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| 124 | * {}
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| 125 | * };
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| 126 | *
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| 127 |
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| 128 | struct kunit_case {
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| 129 | void (*run_case)(struct kunit *test);
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| 130 | const char *name;
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| 131 | const void* (*generate_params)(struct kunit *test,
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| 132 | const void *prev, char *desc);
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| 133 | struct kunit_attributes attr;
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| 134 | int (*param_init)(struct kunit *test);
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| 135 | void (*param_exit)(struct kunit *test);
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| 136 |
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| 137 |
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| 138 | enum kunit_status status;
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| 139 | char *module_name;
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| 140 | struct string_stream *log;
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| 141 | };
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| 142 |
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| 143 | static inline char *kunit_status_to_ok_not_ok(enum kunit_status status)
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| 144 | {
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| 145 | switch (status) {
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| 146 | case KUNIT_SKIPPED:
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| 147 | case KUNIT_SUCCESS:
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| 148 | return "ok";
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| 149 | case KUNIT_FAILURE:
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| 150 | return "not ok";
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| 151 | }
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| 152 | return "invalid";
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| 153 | }
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| 154 |
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| 155 | |
| 156 | * KUNIT_CASE - A helper for creating a &struct kunit_case
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| 157 | *
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| 158 | * @test_name: a reference to a test case function.
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| 159 | *
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| 160 | * Takes a symbol for a function representing a test case and creates a
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| 161 | * &struct kunit_case object from it. See the documentation for
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| 162 | * &struct kunit_case for an example on how to use it.
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| 163 |
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| 164 | #define KUNIT_CASE(test_name) \
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| 165 | { .run_case = test_name, .name = #test_name, \
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| 166 | .module_name = KBUILD_MODNAME}
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| 167 |
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| 168 | |
| 169 | * KUNIT_CASE_ATTR - A helper for creating a &struct kunit_case
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| 170 | * with attributes
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| 171 | *
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| 172 | * @test_name: a reference to a test case function.
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| 173 | * @attributes: a reference to a struct kunit_attributes object containing
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| 174 | * test attributes
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| 175 |
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| 176 | #define KUNIT_CASE_ATTR(test_name, attributes) \
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| 177 | { .run_case = test_name, .name = #test_name, \
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| 178 | .attr = attributes, .module_name = KBUILD_MODNAME}
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| 179 |
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| 180 | |
| 181 | * KUNIT_CASE_SLOW - A helper for creating a &struct kunit_case
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| 182 | * with the slow attribute
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| 183 | *
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| 184 | * @test_name: a reference to a test case function.
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| 185 |
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| 186 |
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| 187 | #define KUNIT_CASE_SLOW(test_name) \
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| 188 | { .run_case = test_name, .name = #test_name, \
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| 189 | .attr.speed = KUNIT_SPEED_SLOW, .module_name = KBUILD_MODNAME}
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| 190 |
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| 191 | |
| 192 | * KUNIT_CASE_PARAM - A helper for creation a parameterized &struct kunit_case
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| 193 | *
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| 194 | * @test_name: a reference to a test case function.
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| 195 | * @gen_params: a reference to a parameter generator function.
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| 196 | *
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| 197 | * The generator function::
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| 198 | *
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| 199 | * const void* gen_params(const void *prev, char *desc)
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| 200 | *
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| 201 | * is used to lazily generate a series of arbitrarily typed values that fit into
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| 202 | * a void*. The argument @prev is the previously returned value, which should be
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| 203 | * used to derive the next value; @prev is set to NULL on the initial generator
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| 204 | * call. When no more values are available, the generator must return NULL.
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| 205 | * Optionally write a string into @desc (size of KUNIT_PARAM_DESC_SIZE)
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| 206 | * describing the parameter.
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| 207 |
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| 208 | #define KUNIT_CASE_PARAM(test_name, gen_params) \
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| 209 | { .run_case = test_name, .name = #test_name, \
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| 210 | .generate_params = gen_params, .module_name = KBUILD_MODNAME}
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| 211 |
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| 212 | |
| 213 | * KUNIT_CASE_PARAM_ATTR - A helper for creating a parameterized &struct
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| 214 | * kunit_case with attributes
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| 215 | *
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| 216 | * @test_name: a reference to a test case function.
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| 217 | * @gen_params: a reference to a parameter generator function.
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| 218 | * @attributes: a reference to a struct kunit_attributes object containing
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| 219 | * test attributes
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| 220 |
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| 221 | #define KUNIT_CASE_PARAM_ATTR(test_name, gen_params, attributes) \
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| 222 | { .run_case = test_name, .name = #test_name, \
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| 223 | .generate_params = gen_params, \
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| 224 | .attr = attributes, .module_name = KBUILD_MODNAME}
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| 225 |
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| 226 | |
| 227 | * KUNIT_CASE_PARAM_WITH_INIT - Define a parameterized KUnit test case with custom
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| 228 | * param_init() and param_exit() functions.
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| 229 | * @test_name: The function implementing the test case.
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| 230 | * @gen_params: The function to generate parameters for the test case.
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| 231 | * @init: A reference to the param_init() function to run before a parameterized test.
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| 232 | * @exit: A reference to the param_exit() function to run after a parameterized test.
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| 233 | *
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| 234 | * Provides the option to register param_init() and param_exit() functions.
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| 235 | * param_init/exit will be passed the parameterized test context and run once
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| 236 | * before and once after the parameterized test. The init function can be used
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| 237 | * to add resources to share between parameter runs, pass parameter arrays,
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| 238 | * and any other setup logic. The exit function can be used to clean up resources
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| 239 | * that were not managed by the parameterized test, and any other teardown logic.
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| 240 | *
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| 241 | * Note: If you are registering a parameter array in param_init() with
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| 242 | * kunit_register_param_array() then you need to pass kunit_array_gen_params()
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| 243 | * to this as the generator function.
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| 244 |
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| 245 | #define KUNIT_CASE_PARAM_WITH_INIT(test_name, gen_params, init, exit) \
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| 246 | { .run_case = test_name, .name = #test_name, \
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| 247 | .generate_params = gen_params, \
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| 248 | .param_init = init, .param_exit = exit, \
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| 249 | .module_name = KBUILD_MODNAME}
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| 250 |
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| 251 | |
| 252 | * struct kunit_suite - describes a related collection of &struct kunit_case
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| 253 | *
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| 254 | * @name: the name of the test. Purely informational.
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| 255 | * @suite_init: called once per test suite before the test cases.
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| 256 | * @suite_exit: called once per test suite after all test cases.
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| 257 | * @init: called before every test case.
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| 258 | * @exit: called after every test case.
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| 259 | * @test_cases: a null terminated array of test cases.
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| 260 | * @attr: the attributes associated with the test suite
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| 261 | *
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| 262 | * A kunit_suite is a collection of related &struct kunit_case s, such that
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| 263 | * @init is called before every test case and @exit is called after every
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| 264 | * test case, similar to the notion of a *test fixture* or a *test class*
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| 265 | * in other unit testing frameworks like JUnit or Googletest.
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| 266 | *
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| 267 | * Note that @exit and @suite_exit will run even if @init or @suite_init
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| 268 | * fail: make sure they can handle any inconsistent state which may result.
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| 269 | *
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| 270 | * Every &struct kunit_case must be associated with a kunit_suite for KUnit
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| 271 | * to run it.
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| 272 |
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| 273 | struct kunit_suite {
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| 274 | const char name[256];
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| 275 | int (*suite_init)(struct kunit_suite *suite);
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| 276 | void (*suite_exit)(struct kunit_suite *suite);
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| 277 | int (*init)(struct kunit *test);
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| 278 | void (*exit)(struct kunit *test);
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| 279 | struct kunit_case *test_cases;
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| 280 | struct kunit_attributes attr;
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| 281 |
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| 282 |
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| 283 | char status_comment[KUNIT_STATUS_COMMENT_SIZE];
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| 284 | struct dentry *debugfs;
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| 285 | struct string_stream *log;
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| 286 | int suite_init_err;
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| 287 | bool is_init;
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| 288 | enum kunit_status status;
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| 289 | };
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| 290 |
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| 291 |
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| 292 | struct kunit_suite_set {
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| 293 | struct kunit_suite * const *start;
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| 294 | struct kunit_suite * const *end;
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| 295 | };
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| 296 |
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| 297 |
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| 298 | struct kunit_params {
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| 299 | |
| 300 | * Reference to the parameter array for a parameterized test. This
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| 301 | * is NULL if a parameter array wasn't directly passed to the
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| 302 | * parameterized test context struct kunit via kunit_register_params_array().
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| 303 |
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| 304 | const void *params;
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| 305 |
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| 306 | void (*get_description)(struct kunit *test, const void *param, char *desc);
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| 307 | size_t num_params;
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| 308 | size_t elem_size;
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| 309 | };
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| 310 |
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| 311 | |
| 312 | * struct kunit - represents a running instance of a test.
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| 313 | *
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| 314 | * @priv: for user to store arbitrary data. Commonly used to pass data
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| 315 | * created in the init function (see &struct kunit_suite).
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| 316 | * @parent: reference to the parent context of type struct kunit that can
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| 317 | * be used for storing shared resources.
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| 318 | * @params_array: for storing the parameter array.
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| 319 | *
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| 320 | * Used to store information about the current context under which the test
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| 321 | * is running. Most of this data is private and should only be accessed
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| 322 | * indirectly via public functions; the exceptions are @priv, @parent and
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| 323 | * @params_array which can be used by the test writer to store arbitrary data,
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| 324 | * access the parent context, and to store the parameter array, respectively.
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| 325 |
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| 326 | struct kunit {
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| 327 | void *priv;
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| 328 | struct kunit *parent;
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| 329 | struct kunit_params params_array;
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| 330 |
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| 331 |
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| 332 | const char *name;
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| 333 | struct string_stream *log;
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| 334 | struct kunit_try_catch try_catch;
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| 335 |
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| 336 | const void *param_value;
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| 337 |
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| 338 | int param_index;
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| 339 | |
| 340 | * success starts as true, and may only be set to false during a
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| 341 | * test case; thus, it is safe to update this across multiple
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| 342 | * threads using WRITE_ONCE; however, as a consequence, it may only
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| 343 | * be read after the test case finishes once all threads associated
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| 344 | * with the test case have terminated.
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| 345 |
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| 346 | spinlock_t lock;
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| 347 | enum kunit_status status;
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| 348 | |
| 349 | * Because resources is a list that may be updated multiple times (with
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| 350 | * new resources) from any thread associated with a test case, we must
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| 351 | * protect it with some type of lock.
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| 352 |
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| 353 | struct list_head resources;
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| 354 |
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| 355 | char status_comment[KUNIT_STATUS_COMMENT_SIZE];
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| 356 |
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| 357 | struct kunit_loc last_seen;
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| 358 | };
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| 359 |
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| 360 | static inline void kunit_set_failure(struct kunit *test)
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| 361 | {
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| 362 | WRITE_ONCE(test->status, KUNIT_FAILURE);
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| 363 | }
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| 364 |
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| 365 | bool kunit_enabled(void);
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| 366 | bool kunit_autorun(void);
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| 367 | const char *kunit_action(void);
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| 368 | const char *kunit_filter_glob(void);
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| 369 | char *kunit_filter(void);
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| 370 | char *kunit_filter_action(void);
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| 371 |
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| 372 | void kunit_init_test(struct kunit *test, const char *name, struct string_stream *log);
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| 373 |
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| 374 | int kunit_run_tests(struct kunit_suite *suite);
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| 375 |
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| 376 | size_t kunit_suite_num_test_cases(struct kunit_suite *suite);
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| 377 |
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| 378 | unsigned int kunit_test_case_num(struct kunit_suite *suite,
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| 379 | struct kunit_case *test_case);
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| 380 |
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| 381 | struct kunit_suite_set
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| 382 | kunit_filter_suites(const struct kunit_suite_set *suite_set,
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| 383 | const char *filter_glob,
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| 384 | char *filters,
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| 385 | char *filter_action,
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| 386 | int *err);
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| 387 | void kunit_free_suite_set(struct kunit_suite_set suite_set);
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| 388 |
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| 389 | int __kunit_test_suites_init(struct kunit_suite * const * const suites, int num_suites,
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| 390 | bool run_tests);
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| 391 |
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| 392 | void __kunit_test_suites_exit(struct kunit_suite **suites, int num_suites);
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| 393 |
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| 394 | void kunit_exec_run_tests(struct kunit_suite_set *suite_set, bool builtin);
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| 395 | void kunit_exec_list_tests(struct kunit_suite_set *suite_set, bool include_attr);
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| 396 |
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| 397 | struct kunit_suite_set kunit_merge_suite_sets(struct kunit_suite_set init_suite_set,
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| 398 | struct kunit_suite_set suite_set);
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| 399 |
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| 400 | const void *kunit_array_gen_params(struct kunit *test, const void *prev, char *desc);
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| 401 |
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| 402 | #if IS_BUILTIN(CONFIG_KUNIT)
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| 403 | int kunit_run_all_tests(void);
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| 404 | #else
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| 405 | static inline int kunit_run_all_tests(void)
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| 406 | {
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| 407 | return 0;
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| 408 | }
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| 409 | #endif
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| 410 |
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| 411 | #define __kunit_test_suites(unique_array, ...) \
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| 412 | static struct kunit_suite *unique_array[] \
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| 413 | __aligned(sizeof(struct kunit_suite *)) \
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| 414 | __used __section(".kunit_test_suites") = { __VA_ARGS__ }
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| 415 |
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| 416 | |
| 417 | * kunit_test_suites() - used to register one or more &struct kunit_suite
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| 418 | * with KUnit.
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| 419 | *
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| 420 | * @__suites: a statically allocated list of &struct kunit_suite.
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| 421 | *
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| 422 | * Registers @suites with the test framework.
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| 423 | * This is done by placing the array of struct kunit_suite * in the
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| 424 | * .kunit_test_suites ELF section.
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| 425 | *
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| 426 | * When builtin, KUnit tests are all run via the executor at boot, and when
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| 427 | * built as a module, they run on module load.
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| 428 | *
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| 429 |
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| 430 | #define kunit_test_suites(__suites...) \
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| 431 | __kunit_test_suites(__UNIQUE_ID(array), \
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| 432 | ##__suites)
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| 433 |
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| 434 | #define kunit_test_suite(suite) kunit_test_suites(&suite)
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| 435 |
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| 436 | #define __kunit_init_test_suites(unique_array, ...) \
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| 437 | static struct kunit_suite *unique_array[] \
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| 438 | __aligned(sizeof(struct kunit_suite *)) \
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| 439 | __used __section(".kunit_init_test_suites") = { __VA_ARGS__ }
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| 440 |
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| 441 | |
| 442 | * kunit_test_init_section_suites() - used to register one or more &struct
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| 443 | * kunit_suite containing init functions or
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| 444 | * init data.
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| 445 | *
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| 446 | * @__suites: a statically allocated list of &struct kunit_suite.
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| 447 | *
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| 448 | * This functions similar to kunit_test_suites() except that it compiles the
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| 449 | * list of suites during init phase.
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| 450 | *
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| 451 | * This macro also suffixes the array and suite declarations it makes with
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| 452 | * _probe; so that modpost suppresses warnings about referencing init data
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| 453 | * for symbols named in this manner.
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| 454 | *
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| 455 | * Note: these init tests are not able to be run after boot so there is no
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| 456 | * "run" debugfs file generated for these tests.
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| 457 | *
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| 458 | * Also, do not mark the suite or test case structs with __initdata because
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| 459 | * they will be used after the init phase with debugfs.
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| 460 |
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| 461 | #define kunit_test_init_section_suites(__suites...) \
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| 462 | __kunit_init_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe), \
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| 463 | ##__suites)
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| 464 |
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| 465 | #define kunit_test_init_section_suite(suite) \
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| 466 | kunit_test_init_section_suites(&suite)
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| 467 |
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| 468 | #define kunit_suite_for_each_test_case(suite, test_case) \
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| 469 | for (test_case = suite->test_cases; test_case->run_case; test_case++)
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| 470 |
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| 471 | enum kunit_status kunit_suite_has_succeeded(struct kunit_suite *suite);
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| 472 |
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| 473 | |
| 474 | * kunit_kmalloc_array() - Like kmalloc_array() except the allocation is *test managed*.
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| 475 | * @test: The test context object.
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| 476 | * @n: number of elements.
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| 477 | * @size: The size in bytes of the desired memory.
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| 478 | * @gfp: flags passed to underlying kmalloc().
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| 479 | *
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| 480 | * Just like `kmalloc_array(...)`, except the allocation is managed by the test case
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| 481 | * and is automatically cleaned up after the test case concludes. See kunit_add_action()
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| 482 | * for more information.
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| 483 | *
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| 484 | * Note that some internal context data is also allocated with GFP_KERNEL,
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| 485 | * regardless of the gfp passed in.
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| 486 |
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| 487 | void *kunit_kmalloc_array(struct kunit *test, size_t n, size_t size, gfp_t gfp);
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| 488 |
|
| 489 | |
| 490 | * kunit_kmalloc() - Like kmalloc() except the allocation is *test managed*.
|
| 491 | * @test: The test context object.
|
| 492 | * @size: The size in bytes of the desired memory.
|
| 493 | * @gfp: flags passed to underlying kmalloc().
|
| 494 | *
|
| 495 | * See kmalloc() and kunit_kmalloc_array() for more information.
|
| 496 | *
|
| 497 | * Note that some internal context data is also allocated with GFP_KERNEL,
|
| 498 | * regardless of the gfp passed in.
|
| 499 |
|
| 500 | static inline void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp)
|
| 501 | {
|
| 502 | return kunit_kmalloc_array(test, 1, size, gfp);
|
| 503 | }
|
| 504 |
|
| 505 | |
| 506 | * kunit_kfree() - Like kfree except for allocations managed by KUnit.
|
| 507 | * @test: The test case to which the resource belongs.
|
| 508 | * @ptr: The memory allocation to free.
|
| 509 |
|
| 510 | void kunit_kfree(struct kunit *test, const void *ptr);
|
| 511 |
|
| 512 | |
| 513 | * kunit_kzalloc() - Just like kunit_kmalloc(), but zeroes the allocation.
|
| 514 | * @test: The test context object.
|
| 515 | * @size: The size in bytes of the desired memory.
|
| 516 | * @gfp: flags passed to underlying kmalloc().
|
| 517 | *
|
| 518 | * See kzalloc() and kunit_kmalloc_array() for more information.
|
| 519 |
|
| 520 | static inline void *kunit_kzalloc(struct kunit *test, size_t size, gfp_t gfp)
|
| 521 | {
|
| 522 | return kunit_kmalloc(test, size, gfp | __GFP_ZERO);
|
| 523 | }
|
| 524 |
|
| 525 | |
| 526 | * kunit_kcalloc() - Just like kunit_kmalloc_array(), but zeroes the allocation.
|
| 527 | * @test: The test context object.
|
| 528 | * @n: number of elements.
|
| 529 | * @size: The size in bytes of the desired memory.
|
| 530 | * @gfp: flags passed to underlying kmalloc().
|
| 531 | *
|
| 532 | * See kcalloc() and kunit_kmalloc_array() for more information.
|
| 533 |
|
| 534 | static inline void *kunit_kcalloc(struct kunit *test, size_t n, size_t size, gfp_t gfp)
|
| 535 | {
|
| 536 | return kunit_kmalloc_array(test, n, size, gfp | __GFP_ZERO);
|
| 537 | }
|
| 538 |
|
| 539 |
|
| 540 | |
| 541 | * kunit_kfree_const() - conditionally free test managed memory
|
| 542 | * @test: The test context object.
|
| 543 | * @x: pointer to the memory
|
| 544 | *
|
| 545 | * Calls kunit_kfree() only if @x is not in .rodata section.
|
| 546 | * See kunit_kstrdup_const() for more information.
|
| 547 |
|
| 548 | void kunit_kfree_const(struct kunit *test, const void *x);
|
| 549 |
|
| 550 | |
| 551 | * kunit_kstrdup() - Duplicates a string into a test managed allocation.
|
| 552 | *
|
| 553 | * @test: The test context object.
|
| 554 | * @str: The NULL-terminated string to duplicate.
|
| 555 | * @gfp: flags passed to underlying kmalloc().
|
| 556 | *
|
| 557 | * See kstrdup() and kunit_kmalloc_array() for more information.
|
| 558 |
|
| 559 | static inline char *kunit_kstrdup(struct kunit *test, const char *str, gfp_t gfp)
|
| 560 | {
|
| 561 | size_t len;
|
| 562 | char *buf;
|
| 563 |
|
| 564 | if (!str)
|
| 565 | return NULL;
|
| 566 |
|
| 567 | len = strlen(str) + 1;
|
| 568 | buf = kunit_kmalloc(test, len, gfp);
|
| 569 | if (buf)
|
| 570 | memcpy(buf, str, len);
|
| 571 | return buf;
|
| 572 | }
|
| 573 |
|
| 574 | |
| 575 | * kunit_kstrdup_const() - Conditionally duplicates a string into a test managed allocation.
|
| 576 | *
|
| 577 | * @test: The test context object.
|
| 578 | * @str: The NULL-terminated string to duplicate.
|
| 579 | * @gfp: flags passed to underlying kmalloc().
|
| 580 | *
|
| 581 | * Calls kunit_kstrdup() only if @str is not in the rodata section. Must be freed with
|
| 582 | * kunit_kfree_const() -- not kunit_kfree().
|
| 583 | * See kstrdup_const() and kunit_kmalloc_array() for more information.
|
| 584 |
|
| 585 | const char *kunit_kstrdup_const(struct kunit *test, const char *str, gfp_t gfp);
|
| 586 |
|
| 587 | |
| 588 | * kunit_attach_mm() - Create and attach a new mm if it doesn't already exist.
|
| 589 | *
|
| 590 | * Allocates a &struct mm_struct and attaches it to @current. In most cases, call
|
| 591 | * kunit_vm_mmap() without calling kunit_attach_mm() directly. Only necessary when
|
| 592 | * code under test accesses the mm before executing the mmap (e.g., to perform
|
| 593 | * additional initialization beforehand).
|
| 594 | *
|
| 595 | * Return: 0 on success, -errno on failure.
|
| 596 |
|
| 597 | int kunit_attach_mm(void);
|
| 598 |
|
| 599 | |
| 600 | * kunit_vm_mmap() - Allocate KUnit-tracked vm_mmap() area
|
| 601 | * @test: The test context object.
|
| 602 | * @file: struct file pointer to map from, if any
|
| 603 | * @addr: desired address, if any
|
| 604 | * @len: how many bytes to allocate
|
| 605 | * @prot: mmap PROT_* bits
|
| 606 | * @flag: mmap flags
|
| 607 | * @offset: offset into @file to start mapping from.
|
| 608 | *
|
| 609 | * See vm_mmap() for more information.
|
| 610 |
|
| 611 | unsigned long kunit_vm_mmap(struct kunit *test, struct file *file,
|
| 612 | unsigned long addr, unsigned long len,
|
| 613 | unsigned long prot, unsigned long flag,
|
| 614 | unsigned long offset);
|
| 615 |
|
| 616 | void kunit_cleanup(struct kunit *test);
|
| 617 | void kunit_free_boot_suites(void);
|
| 618 |
|
| 619 | void __printf(2, 3) kunit_log_append(struct string_stream *log, const char *fmt, ...);
|
| 620 |
|
| 621 | |
| 622 | * kunit_mark_skipped() - Marks @test as skipped
|
| 623 | *
|
| 624 | * @test: The test context object.
|
| 625 | * @fmt: A printk() style format string.
|
| 626 | *
|
| 627 | * Marks the test as skipped. @fmt is given output as the test status
|
| 628 | * comment, typically the reason the test was skipped.
|
| 629 | *
|
| 630 | * Test execution continues after kunit_mark_skipped() is called.
|
| 631 |
|
| 632 | #define kunit_mark_skipped(test, fmt, ...) \
|
| 633 | do { \
|
| 634 | WRITE_ONCE((test)->status, KUNIT_SKIPPED); \
|
| 635 | scnprintf((test)->status_comment, \
|
| 636 | KUNIT_STATUS_COMMENT_SIZE, \
|
| 637 | fmt, ##__VA_ARGS__); \
|
| 638 | } while (0)
|
| 639 |
|
| 640 | |
| 641 | * kunit_skip() - Marks @test as skipped
|
| 642 | *
|
| 643 | * @test: The test context object.
|
| 644 | * @fmt: A printk() style format string.
|
| 645 | *
|
| 646 | * Skips the test. @fmt is given output as the test status
|
| 647 | * comment, typically the reason the test was skipped.
|
| 648 | *
|
| 649 | * Test execution is halted after kunit_skip() is called.
|
| 650 |
|
| 651 | #define kunit_skip(test, fmt, ...) \
|
| 652 | do { \
|
| 653 | kunit_mark_skipped((test), fmt, ##__VA_ARGS__); \
|
| 654 | kunit_try_catch_throw(&((test)->try_catch)); \
|
| 655 | } while (0)
|
| 656 |
|
| 657 | |
| 658 | * printk and log to per-test or per-suite log buffer. Logging only done
|
| 659 | * if CONFIG_KUNIT_DEBUGFS is 'y'; if it is 'n', no log is allocated/used.
|
| 660 |
|
| 661 | #define kunit_log(lvl, test_or_suite, fmt, ...) \
|
| 662 | do { \
|
| 663 | printk(lvl fmt, ##__VA_ARGS__); \
|
| 664 | kunit_log_append((test_or_suite)->log, fmt, \
|
| 665 | ##__VA_ARGS__); \
|
| 666 | } while (0)
|
| 667 |
|
| 668 | #define kunit_printk(lvl, test, fmt, ...) \
|
| 669 | kunit_log(lvl, test, KUNIT_SUBTEST_INDENT "# %s: " fmt, \
|
| 670 | (test)->name, ##__VA_ARGS__)
|
| 671 |
|
| 672 | |
| 673 | * kunit_info() - Prints an INFO level message associated with @test.
|
| 674 | *
|
| 675 | * @test: The test context object.
|
| 676 | * @fmt: A printk() style format string.
|
| 677 | *
|
| 678 | * Prints an info level message associated with the test suite being run.
|
| 679 | * Takes a variable number of format parameters just like printk().
|
| 680 |
|
| 681 | #define kunit_info(test, fmt, ...) \
|
| 682 | kunit_printk(KERN_INFO, test, fmt, ##__VA_ARGS__)
|
| 683 |
|
| 684 | |
| 685 | * kunit_warn() - Prints a WARN level message associated with @test.
|
| 686 | *
|
| 687 | * @test: The test context object.
|
| 688 | * @fmt: A printk() style format string.
|
| 689 | *
|
| 690 | * Prints a warning level message.
|
| 691 |
|
| 692 | #define kunit_warn(test, fmt, ...) \
|
| 693 | kunit_printk(KERN_WARNING, test, fmt, ##__VA_ARGS__)
|
| 694 |
|
| 695 | |
| 696 | * kunit_err() - Prints an ERROR level message associated with @test.
|
| 697 | *
|
| 698 | * @test: The test context object.
|
| 699 | * @fmt: A printk() style format string.
|
| 700 | *
|
| 701 | * Prints an error level message.
|
| 702 |
|
| 703 | #define kunit_err(test, fmt, ...) \
|
| 704 | kunit_printk(KERN_ERR, test, fmt, ##__VA_ARGS__)
|
| 705 |
|
| 706 | |
| 707 | * Must be called at the beginning of each KUNIT_*_ASSERTION().
|
| 708 | * Cf. KUNIT_CURRENT_LOC.
|
| 709 |
|
| 710 | #define _KUNIT_SAVE_LOC(test) do { \
|
| 711 | WRITE_ONCE(test->last_seen.file, __FILE__); \
|
| 712 | WRITE_ONCE(test->last_seen.line, __LINE__); \
|
| 713 | } while (0)
|
| 714 |
|
| 715 | |
| 716 | * KUNIT_SUCCEED() - A no-op expectation. Only exists for code clarity.
|
| 717 | * @test: The test context object.
|
| 718 | *
|
| 719 | * The opposite of KUNIT_FAIL(), it is an expectation that cannot fail. In other
|
| 720 | * words, it does nothing and only exists for code clarity. See
|
| 721 | * KUNIT_EXPECT_TRUE() for more information.
|
| 722 |
|
| 723 | #define KUNIT_SUCCEED(test) _KUNIT_SAVE_LOC(test)
|
| 724 |
|
| 725 | void __noreturn __kunit_abort(struct kunit *test);
|
| 726 |
|
| 727 | void __printf(6, 7) __kunit_do_failed_assertion(struct kunit *test,
|
| 728 | const struct kunit_loc *loc,
|
| 729 | enum kunit_assert_type type,
|
| 730 | const struct kunit_assert *assert,
|
| 731 | assert_format_t assert_format,
|
| 732 | const char *fmt, ...);
|
| 733 |
|
| 734 | #define _KUNIT_FAILED(test, assert_type, assert_class, assert_format, INITIALIZER, fmt, ...) do { \
|
| 735 | static const struct kunit_loc __loc = KUNIT_CURRENT_LOC; \
|
| 736 | const struct assert_class __assertion = INITIALIZER; \
|
| 737 | __kunit_do_failed_assertion(test, \
|
| 738 | &__loc, \
|
| 739 | assert_type, \
|
| 740 | &__assertion.assert, \
|
| 741 | assert_format, \
|
| 742 | fmt, \
|
| 743 | ##__VA_ARGS__); \
|
| 744 | if (assert_type == KUNIT_ASSERTION) \
|
| 745 | __kunit_abort(test); \
|
| 746 | } while (0)
|
| 747 |
|
| 748 |
|
| 749 | #define KUNIT_FAIL_ASSERTION(test, assert_type, fmt, ...) do { \
|
| 750 | _KUNIT_SAVE_LOC(test); \
|
| 751 | _KUNIT_FAILED(test, \
|
| 752 | assert_type, \
|
| 753 | kunit_fail_assert, \
|
| 754 | kunit_fail_assert_format, \
|
| 755 | {}, \
|
| 756 | fmt, \
|
| 757 | ##__VA_ARGS__); \
|
| 758 | } while (0)
|
| 759 |
|
| 760 | |
| 761 | * KUNIT_FAIL() - Always causes a test to fail when evaluated.
|
| 762 | * @test: The test context object.
|
| 763 | * @fmt: an informational message to be printed when the assertion is made.
|
| 764 | * @...: string format arguments.
|
| 765 | *
|
| 766 | * The opposite of KUNIT_SUCCEED(), it is an expectation that always fails. In
|
| 767 | * other words, it always results in a failed expectation, and consequently
|
| 768 | * always causes the test case to fail when evaluated. See KUNIT_EXPECT_TRUE()
|
| 769 | * for more information.
|
| 770 |
|
| 771 | #define KUNIT_FAIL(test, fmt, ...) \
|
| 772 | KUNIT_FAIL_ASSERTION(test, \
|
| 773 | KUNIT_EXPECTATION, \
|
| 774 | fmt, \
|
| 775 | ##__VA_ARGS__)
|
| 776 |
|
| 777 |
|
| 778 | #define KUNIT_INIT_ASSERT(initializers...) { initializers }
|
| 779 |
|
| 780 | #define KUNIT_UNARY_ASSERTION(test, \
|
| 781 | assert_type, \
|
| 782 | condition_, \
|
| 783 | expected_true_, \
|
| 784 | fmt, \
|
| 785 | ...) \
|
| 786 | do { \
|
| 787 | _KUNIT_SAVE_LOC(test); \
|
| 788 | if (likely(!!(condition_) == !!expected_true_)) \
|
| 789 | break; \
|
| 790 | \
|
| 791 | _KUNIT_FAILED(test, \
|
| 792 | assert_type, \
|
| 793 | kunit_unary_assert, \
|
| 794 | kunit_unary_assert_format, \
|
| 795 | KUNIT_INIT_ASSERT(.condition = #condition_, \
|
| 796 | .expected_true = expected_true_), \
|
| 797 | fmt, \
|
| 798 | ##__VA_ARGS__); \
|
| 799 | } while (0)
|
| 800 |
|
| 801 | #define KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, fmt, ...) \
|
| 802 | KUNIT_UNARY_ASSERTION(test, \
|
| 803 | assert_type, \
|
| 804 | condition, \
|
| 805 | true, \
|
| 806 | fmt, \
|
| 807 | ##__VA_ARGS__)
|
| 808 |
|
| 809 | #define KUNIT_FALSE_MSG_ASSERTION(test, assert_type, condition, fmt, ...) \
|
| 810 | KUNIT_UNARY_ASSERTION(test, \
|
| 811 | assert_type, \
|
| 812 | condition, \
|
| 813 | false, \
|
| 814 | fmt, \
|
| 815 | ##__VA_ARGS__)
|
| 816 |
|
| 817 | |
| 818 | * A factory macro for defining the assertions and expectations for the basic
|
| 819 | * comparisons defined for the built in types.
|
| 820 | *
|
| 821 | * Unfortunately, there is no common type that all types can be promoted to for
|
| 822 | * which all the binary operators behave the same way as for the actual types
|
| 823 | * (for example, there is no type that long long and unsigned long long can
|
| 824 | * both be cast to where the comparison result is preserved for all values). So
|
| 825 | * the best we can do is do the comparison in the original types and then coerce
|
| 826 | * everything to long long for printing; this way, the comparison behaves
|
| 827 | * correctly and the printed out value usually makes sense without
|
| 828 | * interpretation, but can always be interpreted to figure out the actual
|
| 829 | * value.
|
| 830 |
|
| 831 | #define KUNIT_BASE_BINARY_ASSERTION(test, \
|
| 832 | assert_class, \
|
| 833 | format_func, \
|
| 834 | assert_type, \
|
| 835 | left, \
|
| 836 | op, \
|
| 837 | right, \
|
| 838 | fmt, \
|
| 839 | ...) \
|
| 840 | do { \
|
| 841 | const typeof(left) __left = (left); \
|
| 842 | const typeof(right) __right = (right); \
|
| 843 | static const struct kunit_binary_assert_text __text = { \
|
| 844 | .operation = #op, \
|
| 845 | .left_text = #left, \
|
| 846 | .right_text = #right, \
|
| 847 | }; \
|
| 848 | \
|
| 849 | _KUNIT_SAVE_LOC(test); \
|
| 850 | if (likely(__left op __right)) \
|
| 851 | break; \
|
| 852 | \
|
| 853 | _KUNIT_FAILED(test, \
|
| 854 | assert_type, \
|
| 855 | assert_class, \
|
| 856 | format_func, \
|
| 857 | KUNIT_INIT_ASSERT(.text = &__text, \
|
| 858 | .left_value = __left, \
|
| 859 | .right_value = __right), \
|
| 860 | fmt, \
|
| 861 | ##__VA_ARGS__); \
|
| 862 | } while (0)
|
| 863 |
|
| 864 | #define KUNIT_BINARY_INT_ASSERTION(test, \
|
| 865 | assert_type, \
|
| 866 | left, \
|
| 867 | op, \
|
| 868 | right, \
|
| 869 | fmt, \
|
| 870 | ...) \
|
| 871 | KUNIT_BASE_BINARY_ASSERTION(test, \
|
| 872 | kunit_binary_assert, \
|
| 873 | kunit_binary_assert_format, \
|
| 874 | assert_type, \
|
| 875 | left, op, right, \
|
| 876 | fmt, \
|
| 877 | ##__VA_ARGS__)
|
| 878 |
|
| 879 | #define KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 880 | assert_type, \
|
| 881 | left, \
|
| 882 | op, \
|
| 883 | right, \
|
| 884 | fmt, \
|
| 885 | ...) \
|
| 886 | KUNIT_BASE_BINARY_ASSERTION(test, \
|
| 887 | kunit_binary_ptr_assert, \
|
| 888 | kunit_binary_ptr_assert_format, \
|
| 889 | assert_type, \
|
| 890 | left, op, right, \
|
| 891 | fmt, \
|
| 892 | ##__VA_ARGS__)
|
| 893 |
|
| 894 | #define KUNIT_BINARY_STR_ASSERTION(test, \
|
| 895 | assert_type, \
|
| 896 | left, \
|
| 897 | op, \
|
| 898 | right, \
|
| 899 | fmt, \
|
| 900 | ...) \
|
| 901 | do { \
|
| 902 | const char *__left = (left); \
|
| 903 | const char *__right = (right); \
|
| 904 | static const struct kunit_binary_assert_text __text = { \
|
| 905 | .operation = #op, \
|
| 906 | .left_text = #left, \
|
| 907 | .right_text = #right, \
|
| 908 | }; \
|
| 909 | \
|
| 910 | _KUNIT_SAVE_LOC(test); \
|
| 911 | if (likely(!IS_ERR_OR_NULL(__left) && !IS_ERR_OR_NULL(__right) && \
|
| 912 | (strcmp(__left, __right) op 0))) \
|
| 913 | break; \
|
| 914 | \
|
| 915 | \
|
| 916 | _KUNIT_FAILED(test, \
|
| 917 | assert_type, \
|
| 918 | kunit_binary_str_assert, \
|
| 919 | kunit_binary_str_assert_format, \
|
| 920 | KUNIT_INIT_ASSERT(.text = &__text, \
|
| 921 | .left_value = __left, \
|
| 922 | .right_value = __right), \
|
| 923 | fmt, \
|
| 924 | ##__VA_ARGS__); \
|
| 925 | } while (0)
|
| 926 |
|
| 927 | #define KUNIT_MEM_ASSERTION(test, \
|
| 928 | assert_type, \
|
| 929 | left, \
|
| 930 | op, \
|
| 931 | right, \
|
| 932 | size_, \
|
| 933 | fmt, \
|
| 934 | ...) \
|
| 935 | do { \
|
| 936 | const void *__left = (left); \
|
| 937 | const void *__right = (right); \
|
| 938 | const size_t __size = (size_); \
|
| 939 | static const struct kunit_binary_assert_text __text = { \
|
| 940 | .operation = #op, \
|
| 941 | .left_text = #left, \
|
| 942 | .right_text = #right, \
|
| 943 | }; \
|
| 944 | \
|
| 945 | _KUNIT_SAVE_LOC(test); \
|
| 946 | if (likely(__left && __right)) \
|
| 947 | if (likely(memcmp(__left, __right, __size) op 0)) \
|
| 948 | break; \
|
| 949 | \
|
| 950 | _KUNIT_FAILED(test, \
|
| 951 | assert_type, \
|
| 952 | kunit_mem_assert, \
|
| 953 | kunit_mem_assert_format, \
|
| 954 | KUNIT_INIT_ASSERT(.text = &__text, \
|
| 955 | .left_value = __left, \
|
| 956 | .right_value = __right, \
|
| 957 | .size = __size), \
|
| 958 | fmt, \
|
| 959 | ##__VA_ARGS__); \
|
| 960 | } while (0)
|
| 961 |
|
| 962 | #define KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
|
| 963 | assert_type, \
|
| 964 | ptr, \
|
| 965 | fmt, \
|
| 966 | ...) \
|
| 967 | do { \
|
| 968 | const typeof(ptr) __ptr = (ptr); \
|
| 969 | \
|
| 970 | _KUNIT_SAVE_LOC(test); \
|
| 971 | if (!IS_ERR_OR_NULL(__ptr)) \
|
| 972 | break; \
|
| 973 | \
|
| 974 | _KUNIT_FAILED(test, \
|
| 975 | assert_type, \
|
| 976 | kunit_ptr_not_err_assert, \
|
| 977 | kunit_ptr_not_err_assert_format, \
|
| 978 | KUNIT_INIT_ASSERT(.text = #ptr, .value = __ptr), \
|
| 979 | fmt, \
|
| 980 | ##__VA_ARGS__); \
|
| 981 | } while (0)
|
| 982 |
|
| 983 | |
| 984 | * KUNIT_EXPECT_TRUE() - Causes a test failure when the expression is not true.
|
| 985 | * @test: The test context object.
|
| 986 | * @condition: an arbitrary boolean expression. The test fails when this does
|
| 987 | * not evaluate to true.
|
| 988 | *
|
| 989 | * This and expectations of the form `KUNIT_EXPECT_*` will cause the test case
|
| 990 | * to fail when the specified condition is not met; however, it will not prevent
|
| 991 | * the test case from continuing to run; this is otherwise known as an
|
| 992 | * *expectation failure*.
|
| 993 |
|
| 994 | #define KUNIT_EXPECT_TRUE(test, condition) \
|
| 995 | KUNIT_EXPECT_TRUE_MSG(test, condition, NULL)
|
| 996 |
|
| 997 | #define KUNIT_EXPECT_TRUE_MSG(test, condition, fmt, ...) \
|
| 998 | KUNIT_TRUE_MSG_ASSERTION(test, \
|
| 999 | KUNIT_EXPECTATION, \
|
| 1000 | condition, \
|
| 1001 | fmt, \
|
| 1002 | ##__VA_ARGS__)
|
| 1003 |
|
| 1004 | |
| 1005 | * KUNIT_EXPECT_FALSE() - Makes a test failure when the expression is not false.
|
| 1006 | * @test: The test context object.
|
| 1007 | * @condition: an arbitrary boolean expression. The test fails when this does
|
| 1008 | * not evaluate to false.
|
| 1009 | *
|
| 1010 | * Sets an expectation that @condition evaluates to false. See
|
| 1011 | * KUNIT_EXPECT_TRUE() for more information.
|
| 1012 |
|
| 1013 | #define KUNIT_EXPECT_FALSE(test, condition) \
|
| 1014 | KUNIT_EXPECT_FALSE_MSG(test, condition, NULL)
|
| 1015 |
|
| 1016 | #define KUNIT_EXPECT_FALSE_MSG(test, condition, fmt, ...) \
|
| 1017 | KUNIT_FALSE_MSG_ASSERTION(test, \
|
| 1018 | KUNIT_EXPECTATION, \
|
| 1019 | condition, \
|
| 1020 | fmt, \
|
| 1021 | ##__VA_ARGS__)
|
| 1022 |
|
| 1023 | |
| 1024 | * KUNIT_EXPECT_EQ() - Sets an expectation that @left and @right are equal.
|
| 1025 | * @test: The test context object.
|
| 1026 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1027 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1028 | *
|
| 1029 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1030 | * equal. This is semantically equivalent to
|
| 1031 | * KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1032 | * more information.
|
| 1033 |
|
| 1034 | #define KUNIT_EXPECT_EQ(test, left, right) \
|
| 1035 | KUNIT_EXPECT_EQ_MSG(test, left, right, NULL)
|
| 1036 |
|
| 1037 | #define KUNIT_EXPECT_EQ_MSG(test, left, right, fmt, ...) \
|
| 1038 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1039 | KUNIT_EXPECTATION, \
|
| 1040 | left, ==, right, \
|
| 1041 | fmt, \
|
| 1042 | ##__VA_ARGS__)
|
| 1043 |
|
| 1044 | |
| 1045 | * KUNIT_EXPECT_PTR_EQ() - Expects that pointers @left and @right are equal.
|
| 1046 | * @test: The test context object.
|
| 1047 | * @left: an arbitrary expression that evaluates to a pointer.
|
| 1048 | * @right: an arbitrary expression that evaluates to a pointer.
|
| 1049 | *
|
| 1050 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1051 | * equal. This is semantically equivalent to
|
| 1052 | * KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1053 | * more information.
|
| 1054 |
|
| 1055 | #define KUNIT_EXPECT_PTR_EQ(test, left, right) \
|
| 1056 | KUNIT_EXPECT_PTR_EQ_MSG(test, left, right, NULL)
|
| 1057 |
|
| 1058 | #define KUNIT_EXPECT_PTR_EQ_MSG(test, left, right, fmt, ...) \
|
| 1059 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1060 | KUNIT_EXPECTATION, \
|
| 1061 | left, ==, right, \
|
| 1062 | fmt, \
|
| 1063 | ##__VA_ARGS__)
|
| 1064 |
|
| 1065 | |
| 1066 | * KUNIT_EXPECT_NE() - An expectation that @left and @right are not equal.
|
| 1067 | * @test: The test context object.
|
| 1068 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1069 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1070 | *
|
| 1071 | * Sets an expectation that the values that @left and @right evaluate to are not
|
| 1072 | * equal. This is semantically equivalent to
|
| 1073 | * KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1074 | * more information.
|
| 1075 |
|
| 1076 | #define KUNIT_EXPECT_NE(test, left, right) \
|
| 1077 | KUNIT_EXPECT_NE_MSG(test, left, right, NULL)
|
| 1078 |
|
| 1079 | #define KUNIT_EXPECT_NE_MSG(test, left, right, fmt, ...) \
|
| 1080 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1081 | KUNIT_EXPECTATION, \
|
| 1082 | left, !=, right, \
|
| 1083 | fmt, \
|
| 1084 | ##__VA_ARGS__)
|
| 1085 |
|
| 1086 | |
| 1087 | * KUNIT_EXPECT_PTR_NE() - Expects that pointers @left and @right are not equal.
|
| 1088 | * @test: The test context object.
|
| 1089 | * @left: an arbitrary expression that evaluates to a pointer.
|
| 1090 | * @right: an arbitrary expression that evaluates to a pointer.
|
| 1091 | *
|
| 1092 | * Sets an expectation that the values that @left and @right evaluate to are not
|
| 1093 | * equal. This is semantically equivalent to
|
| 1094 | * KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1095 | * more information.
|
| 1096 |
|
| 1097 | #define KUNIT_EXPECT_PTR_NE(test, left, right) \
|
| 1098 | KUNIT_EXPECT_PTR_NE_MSG(test, left, right, NULL)
|
| 1099 |
|
| 1100 | #define KUNIT_EXPECT_PTR_NE_MSG(test, left, right, fmt, ...) \
|
| 1101 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1102 | KUNIT_EXPECTATION, \
|
| 1103 | left, !=, right, \
|
| 1104 | fmt, \
|
| 1105 | ##__VA_ARGS__)
|
| 1106 |
|
| 1107 | |
| 1108 | * KUNIT_EXPECT_LT() - An expectation that @left is less than @right.
|
| 1109 | * @test: The test context object.
|
| 1110 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1111 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1112 | *
|
| 1113 | * Sets an expectation that the value that @left evaluates to is less than the
|
| 1114 | * value that @right evaluates to. This is semantically equivalent to
|
| 1115 | * KUNIT_EXPECT_TRUE(@test, (@left) < (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1116 | * more information.
|
| 1117 |
|
| 1118 | #define KUNIT_EXPECT_LT(test, left, right) \
|
| 1119 | KUNIT_EXPECT_LT_MSG(test, left, right, NULL)
|
| 1120 |
|
| 1121 | #define KUNIT_EXPECT_LT_MSG(test, left, right, fmt, ...) \
|
| 1122 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1123 | KUNIT_EXPECTATION, \
|
| 1124 | left, <, right, \
|
| 1125 | fmt, \
|
| 1126 | ##__VA_ARGS__)
|
| 1127 |
|
| 1128 | |
| 1129 | * KUNIT_EXPECT_LE() - Expects that @left is less than or equal to @right.
|
| 1130 | * @test: The test context object.
|
| 1131 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1132 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1133 | *
|
| 1134 | * Sets an expectation that the value that @left evaluates to is less than or
|
| 1135 | * equal to the value that @right evaluates to. Semantically this is equivalent
|
| 1136 | * to KUNIT_EXPECT_TRUE(@test, (@left) <= (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1137 | * more information.
|
| 1138 |
|
| 1139 | #define KUNIT_EXPECT_LE(test, left, right) \
|
| 1140 | KUNIT_EXPECT_LE_MSG(test, left, right, NULL)
|
| 1141 |
|
| 1142 | #define KUNIT_EXPECT_LE_MSG(test, left, right, fmt, ...) \
|
| 1143 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1144 | KUNIT_EXPECTATION, \
|
| 1145 | left, <=, right, \
|
| 1146 | fmt, \
|
| 1147 | ##__VA_ARGS__)
|
| 1148 |
|
| 1149 | |
| 1150 | * KUNIT_EXPECT_GT() - An expectation that @left is greater than @right.
|
| 1151 | * @test: The test context object.
|
| 1152 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1153 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1154 | *
|
| 1155 | * Sets an expectation that the value that @left evaluates to is greater than
|
| 1156 | * the value that @right evaluates to. This is semantically equivalent to
|
| 1157 | * KUNIT_EXPECT_TRUE(@test, (@left) > (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1158 | * more information.
|
| 1159 |
|
| 1160 | #define KUNIT_EXPECT_GT(test, left, right) \
|
| 1161 | KUNIT_EXPECT_GT_MSG(test, left, right, NULL)
|
| 1162 |
|
| 1163 | #define KUNIT_EXPECT_GT_MSG(test, left, right, fmt, ...) \
|
| 1164 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1165 | KUNIT_EXPECTATION, \
|
| 1166 | left, >, right, \
|
| 1167 | fmt, \
|
| 1168 | ##__VA_ARGS__)
|
| 1169 |
|
| 1170 | |
| 1171 | * KUNIT_EXPECT_GE() - Expects that @left is greater than or equal to @right.
|
| 1172 | * @test: The test context object.
|
| 1173 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1174 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1175 | *
|
| 1176 | * Sets an expectation that the value that @left evaluates to is greater than
|
| 1177 | * the value that @right evaluates to. This is semantically equivalent to
|
| 1178 | * KUNIT_EXPECT_TRUE(@test, (@left) >= (@right)). See KUNIT_EXPECT_TRUE() for
|
| 1179 | * more information.
|
| 1180 |
|
| 1181 | #define KUNIT_EXPECT_GE(test, left, right) \
|
| 1182 | KUNIT_EXPECT_GE_MSG(test, left, right, NULL)
|
| 1183 |
|
| 1184 | #define KUNIT_EXPECT_GE_MSG(test, left, right, fmt, ...) \
|
| 1185 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1186 | KUNIT_EXPECTATION, \
|
| 1187 | left, >=, right, \
|
| 1188 | fmt, \
|
| 1189 | ##__VA_ARGS__)
|
| 1190 |
|
| 1191 | |
| 1192 | * KUNIT_EXPECT_STREQ() - Expects that strings @left and @right are equal.
|
| 1193 | * @test: The test context object.
|
| 1194 | * @left: an arbitrary expression that evaluates to a null terminated string.
|
| 1195 | * @right: an arbitrary expression that evaluates to a null terminated string.
|
| 1196 | *
|
| 1197 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1198 | * equal. This is semantically equivalent to
|
| 1199 | * KUNIT_EXPECT_TRUE(@test, !strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
|
| 1200 | * for more information.
|
| 1201 |
|
| 1202 | #define KUNIT_EXPECT_STREQ(test, left, right) \
|
| 1203 | KUNIT_EXPECT_STREQ_MSG(test, left, right, NULL)
|
| 1204 |
|
| 1205 | #define KUNIT_EXPECT_STREQ_MSG(test, left, right, fmt, ...) \
|
| 1206 | KUNIT_BINARY_STR_ASSERTION(test, \
|
| 1207 | KUNIT_EXPECTATION, \
|
| 1208 | left, ==, right, \
|
| 1209 | fmt, \
|
| 1210 | ##__VA_ARGS__)
|
| 1211 |
|
| 1212 | |
| 1213 | * KUNIT_EXPECT_STRNEQ() - Expects that strings @left and @right are not equal.
|
| 1214 | * @test: The test context object.
|
| 1215 | * @left: an arbitrary expression that evaluates to a null terminated string.
|
| 1216 | * @right: an arbitrary expression that evaluates to a null terminated string.
|
| 1217 | *
|
| 1218 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1219 | * not equal. This is semantically equivalent to
|
| 1220 | * KUNIT_EXPECT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
|
| 1221 | * for more information.
|
| 1222 |
|
| 1223 | #define KUNIT_EXPECT_STRNEQ(test, left, right) \
|
| 1224 | KUNIT_EXPECT_STRNEQ_MSG(test, left, right, NULL)
|
| 1225 |
|
| 1226 | #define KUNIT_EXPECT_STRNEQ_MSG(test, left, right, fmt, ...) \
|
| 1227 | KUNIT_BINARY_STR_ASSERTION(test, \
|
| 1228 | KUNIT_EXPECTATION, \
|
| 1229 | left, !=, right, \
|
| 1230 | fmt, \
|
| 1231 | ##__VA_ARGS__)
|
| 1232 |
|
| 1233 | |
| 1234 | * KUNIT_EXPECT_MEMEQ() - Expects that the first @size bytes of @left and @right are equal.
|
| 1235 | * @test: The test context object.
|
| 1236 | * @left: An arbitrary expression that evaluates to the specified size.
|
| 1237 | * @right: An arbitrary expression that evaluates to the specified size.
|
| 1238 | * @size: Number of bytes compared.
|
| 1239 | *
|
| 1240 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1241 | * equal. This is semantically equivalent to
|
| 1242 | * KUNIT_EXPECT_TRUE(@test, !memcmp((@left), (@right), (@size))). See
|
| 1243 | * KUNIT_EXPECT_TRUE() for more information.
|
| 1244 | *
|
| 1245 | * Although this expectation works for any memory block, it is not recommended
|
| 1246 | * for comparing more structured data, such as structs. This expectation is
|
| 1247 | * recommended for comparing, for example, data arrays.
|
| 1248 |
|
| 1249 | #define KUNIT_EXPECT_MEMEQ(test, left, right, size) \
|
| 1250 | KUNIT_EXPECT_MEMEQ_MSG(test, left, right, size, NULL)
|
| 1251 |
|
| 1252 | #define KUNIT_EXPECT_MEMEQ_MSG(test, left, right, size, fmt, ...) \
|
| 1253 | KUNIT_MEM_ASSERTION(test, \
|
| 1254 | KUNIT_EXPECTATION, \
|
| 1255 | left, ==, right, \
|
| 1256 | size, \
|
| 1257 | fmt, \
|
| 1258 | ##__VA_ARGS__)
|
| 1259 |
|
| 1260 | |
| 1261 | * KUNIT_EXPECT_MEMNEQ() - Expects that the first @size bytes of @left and @right are not equal.
|
| 1262 | * @test: The test context object.
|
| 1263 | * @left: An arbitrary expression that evaluates to the specified size.
|
| 1264 | * @right: An arbitrary expression that evaluates to the specified size.
|
| 1265 | * @size: Number of bytes compared.
|
| 1266 | *
|
| 1267 | * Sets an expectation that the values that @left and @right evaluate to are
|
| 1268 | * not equal. This is semantically equivalent to
|
| 1269 | * KUNIT_EXPECT_TRUE(@test, memcmp((@left), (@right), (@size))). See
|
| 1270 | * KUNIT_EXPECT_TRUE() for more information.
|
| 1271 | *
|
| 1272 | * Although this expectation works for any memory block, it is not recommended
|
| 1273 | * for comparing more structured data, such as structs. This expectation is
|
| 1274 | * recommended for comparing, for example, data arrays.
|
| 1275 |
|
| 1276 | #define KUNIT_EXPECT_MEMNEQ(test, left, right, size) \
|
| 1277 | KUNIT_EXPECT_MEMNEQ_MSG(test, left, right, size, NULL)
|
| 1278 |
|
| 1279 | #define KUNIT_EXPECT_MEMNEQ_MSG(test, left, right, size, fmt, ...) \
|
| 1280 | KUNIT_MEM_ASSERTION(test, \
|
| 1281 | KUNIT_EXPECTATION, \
|
| 1282 | left, !=, right, \
|
| 1283 | size, \
|
| 1284 | fmt, \
|
| 1285 | ##__VA_ARGS__)
|
| 1286 |
|
| 1287 | |
| 1288 | * KUNIT_EXPECT_NULL() - Expects that @ptr is null.
|
| 1289 | * @test: The test context object.
|
| 1290 | * @ptr: an arbitrary pointer.
|
| 1291 | *
|
| 1292 | * Sets an expectation that the value that @ptr evaluates to is null. This is
|
| 1293 | * semantically equivalent to KUNIT_EXPECT_PTR_EQ(@test, ptr, NULL).
|
| 1294 | * See KUNIT_EXPECT_TRUE() for more information.
|
| 1295 |
|
| 1296 | #define KUNIT_EXPECT_NULL(test, ptr) \
|
| 1297 | KUNIT_EXPECT_NULL_MSG(test, \
|
| 1298 | ptr, \
|
| 1299 | NULL)
|
| 1300 |
|
| 1301 | #define KUNIT_EXPECT_NULL_MSG(test, ptr, fmt, ...) \
|
| 1302 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1303 | KUNIT_EXPECTATION, \
|
| 1304 | ptr, ==, NULL, \
|
| 1305 | fmt, \
|
| 1306 | ##__VA_ARGS__)
|
| 1307 |
|
| 1308 | |
| 1309 | * KUNIT_EXPECT_NOT_NULL() - Expects that @ptr is not null.
|
| 1310 | * @test: The test context object.
|
| 1311 | * @ptr: an arbitrary pointer.
|
| 1312 | *
|
| 1313 | * Sets an expectation that the value that @ptr evaluates to is not null. This
|
| 1314 | * is semantically equivalent to KUNIT_EXPECT_PTR_NE(@test, ptr, NULL).
|
| 1315 | * See KUNIT_EXPECT_TRUE() for more information.
|
| 1316 |
|
| 1317 | #define KUNIT_EXPECT_NOT_NULL(test, ptr) \
|
| 1318 | KUNIT_EXPECT_NOT_NULL_MSG(test, \
|
| 1319 | ptr, \
|
| 1320 | NULL)
|
| 1321 |
|
| 1322 | #define KUNIT_EXPECT_NOT_NULL_MSG(test, ptr, fmt, ...) \
|
| 1323 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1324 | KUNIT_EXPECTATION, \
|
| 1325 | ptr, !=, NULL, \
|
| 1326 | fmt, \
|
| 1327 | ##__VA_ARGS__)
|
| 1328 |
|
| 1329 | |
| 1330 | * KUNIT_EXPECT_NOT_ERR_OR_NULL() - Expects that @ptr is not null and not err.
|
| 1331 | * @test: The test context object.
|
| 1332 | * @ptr: an arbitrary pointer.
|
| 1333 | *
|
| 1334 | * Sets an expectation that the value that @ptr evaluates to is not null and not
|
| 1335 | * an errno stored in a pointer. This is semantically equivalent to
|
| 1336 | * KUNIT_EXPECT_TRUE(@test, !IS_ERR_OR_NULL(@ptr)). See KUNIT_EXPECT_TRUE() for
|
| 1337 | * more information.
|
| 1338 |
|
| 1339 | #define KUNIT_EXPECT_NOT_ERR_OR_NULL(test, ptr) \
|
| 1340 | KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, ptr, NULL)
|
| 1341 |
|
| 1342 | #define KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...) \
|
| 1343 | KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
|
| 1344 | KUNIT_EXPECTATION, \
|
| 1345 | ptr, \
|
| 1346 | fmt, \
|
| 1347 | ##__VA_ARGS__)
|
| 1348 |
|
| 1349 | |
| 1350 | * KUNIT_FAIL_AND_ABORT() - Always causes a test to fail and abort when evaluated.
|
| 1351 | * @test: The test context object.
|
| 1352 | * @fmt: an informational message to be printed when the assertion is made.
|
| 1353 | * @...: string format arguments.
|
| 1354 | *
|
| 1355 | * The opposite of KUNIT_SUCCEED(), it is an assertion that always fails. In
|
| 1356 | * other words, it always results in a failed assertion, and consequently
|
| 1357 | * always causes the test case to fail and abort when evaluated.
|
| 1358 | * See KUNIT_ASSERT_TRUE() for more information.
|
| 1359 |
|
| 1360 | #define KUNIT_FAIL_AND_ABORT(test, fmt, ...) \
|
| 1361 | KUNIT_FAIL_ASSERTION(test, KUNIT_ASSERTION, fmt, ##__VA_ARGS__)
|
| 1362 |
|
| 1363 | |
| 1364 | * KUNIT_ASSERT_TRUE() - Sets an assertion that @condition is true.
|
| 1365 | * @test: The test context object.
|
| 1366 | * @condition: an arbitrary boolean expression. The test fails and aborts when
|
| 1367 | * this does not evaluate to true.
|
| 1368 | *
|
| 1369 | * This and assertions of the form `KUNIT_ASSERT_*` will cause the test case to
|
| 1370 | * fail *and immediately abort* when the specified condition is not met. Unlike
|
| 1371 | * an expectation failure, it will prevent the test case from continuing to run;
|
| 1372 | * this is otherwise known as an *assertion failure*.
|
| 1373 |
|
| 1374 | #define KUNIT_ASSERT_TRUE(test, condition) \
|
| 1375 | KUNIT_ASSERT_TRUE_MSG(test, condition, NULL)
|
| 1376 |
|
| 1377 | #define KUNIT_ASSERT_TRUE_MSG(test, condition, fmt, ...) \
|
| 1378 | KUNIT_TRUE_MSG_ASSERTION(test, \
|
| 1379 | KUNIT_ASSERTION, \
|
| 1380 | condition, \
|
| 1381 | fmt, \
|
| 1382 | ##__VA_ARGS__)
|
| 1383 |
|
| 1384 | |
| 1385 | * KUNIT_ASSERT_FALSE() - Sets an assertion that @condition is false.
|
| 1386 | * @test: The test context object.
|
| 1387 | * @condition: an arbitrary boolean expression.
|
| 1388 | *
|
| 1389 | * Sets an assertion that the value that @condition evaluates to is false. This
|
| 1390 | * is the same as KUNIT_EXPECT_FALSE(), except it causes an assertion failure
|
| 1391 | * (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1392 |
|
| 1393 | #define KUNIT_ASSERT_FALSE(test, condition) \
|
| 1394 | KUNIT_ASSERT_FALSE_MSG(test, condition, NULL)
|
| 1395 |
|
| 1396 | #define KUNIT_ASSERT_FALSE_MSG(test, condition, fmt, ...) \
|
| 1397 | KUNIT_FALSE_MSG_ASSERTION(test, \
|
| 1398 | KUNIT_ASSERTION, \
|
| 1399 | condition, \
|
| 1400 | fmt, \
|
| 1401 | ##__VA_ARGS__)
|
| 1402 |
|
| 1403 | |
| 1404 | * KUNIT_ASSERT_EQ() - Sets an assertion that @left and @right are equal.
|
| 1405 | * @test: The test context object.
|
| 1406 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1407 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1408 | *
|
| 1409 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1410 | * equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
|
| 1411 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1412 |
|
| 1413 | #define KUNIT_ASSERT_EQ(test, left, right) \
|
| 1414 | KUNIT_ASSERT_EQ_MSG(test, left, right, NULL)
|
| 1415 |
|
| 1416 | #define KUNIT_ASSERT_EQ_MSG(test, left, right, fmt, ...) \
|
| 1417 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1418 | KUNIT_ASSERTION, \
|
| 1419 | left, ==, right, \
|
| 1420 | fmt, \
|
| 1421 | ##__VA_ARGS__)
|
| 1422 |
|
| 1423 | |
| 1424 | * KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
|
| 1425 | * @test: The test context object.
|
| 1426 | * @left: an arbitrary expression that evaluates to a pointer.
|
| 1427 | * @right: an arbitrary expression that evaluates to a pointer.
|
| 1428 | *
|
| 1429 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1430 | * equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
|
| 1431 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1432 |
|
| 1433 | #define KUNIT_ASSERT_PTR_EQ(test, left, right) \
|
| 1434 | KUNIT_ASSERT_PTR_EQ_MSG(test, left, right, NULL)
|
| 1435 |
|
| 1436 | #define KUNIT_ASSERT_PTR_EQ_MSG(test, left, right, fmt, ...) \
|
| 1437 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1438 | KUNIT_ASSERTION, \
|
| 1439 | left, ==, right, \
|
| 1440 | fmt, \
|
| 1441 | ##__VA_ARGS__)
|
| 1442 |
|
| 1443 | |
| 1444 | * KUNIT_ASSERT_NE() - An assertion that @left and @right are not equal.
|
| 1445 | * @test: The test context object.
|
| 1446 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1447 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1448 | *
|
| 1449 | * Sets an assertion that the values that @left and @right evaluate to are not
|
| 1450 | * equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
|
| 1451 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1452 |
|
| 1453 | #define KUNIT_ASSERT_NE(test, left, right) \
|
| 1454 | KUNIT_ASSERT_NE_MSG(test, left, right, NULL)
|
| 1455 |
|
| 1456 | #define KUNIT_ASSERT_NE_MSG(test, left, right, fmt, ...) \
|
| 1457 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1458 | KUNIT_ASSERTION, \
|
| 1459 | left, !=, right, \
|
| 1460 | fmt, \
|
| 1461 | ##__VA_ARGS__)
|
| 1462 |
|
| 1463 | |
| 1464 | * KUNIT_ASSERT_PTR_NE() - Asserts that pointers @left and @right are not equal.
|
| 1465 | * KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
|
| 1466 | * @test: The test context object.
|
| 1467 | * @left: an arbitrary expression that evaluates to a pointer.
|
| 1468 | * @right: an arbitrary expression that evaluates to a pointer.
|
| 1469 | *
|
| 1470 | * Sets an assertion that the values that @left and @right evaluate to are not
|
| 1471 | * equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
|
| 1472 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1473 |
|
| 1474 | #define KUNIT_ASSERT_PTR_NE(test, left, right) \
|
| 1475 | KUNIT_ASSERT_PTR_NE_MSG(test, left, right, NULL)
|
| 1476 |
|
| 1477 | #define KUNIT_ASSERT_PTR_NE_MSG(test, left, right, fmt, ...) \
|
| 1478 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1479 | KUNIT_ASSERTION, \
|
| 1480 | left, !=, right, \
|
| 1481 | fmt, \
|
| 1482 | ##__VA_ARGS__)
|
| 1483 | |
| 1484 | * KUNIT_ASSERT_LT() - An assertion that @left is less than @right.
|
| 1485 | * @test: The test context object.
|
| 1486 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1487 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1488 | *
|
| 1489 | * Sets an assertion that the value that @left evaluates to is less than the
|
| 1490 | * value that @right evaluates to. This is the same as KUNIT_EXPECT_LT(), except
|
| 1491 | * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
|
| 1492 | * is not met.
|
| 1493 |
|
| 1494 | #define KUNIT_ASSERT_LT(test, left, right) \
|
| 1495 | KUNIT_ASSERT_LT_MSG(test, left, right, NULL)
|
| 1496 |
|
| 1497 | #define KUNIT_ASSERT_LT_MSG(test, left, right, fmt, ...) \
|
| 1498 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1499 | KUNIT_ASSERTION, \
|
| 1500 | left, <, right, \
|
| 1501 | fmt, \
|
| 1502 | ##__VA_ARGS__)
|
| 1503 | |
| 1504 | * KUNIT_ASSERT_LE() - An assertion that @left is less than or equal to @right.
|
| 1505 | * @test: The test context object.
|
| 1506 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1507 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1508 | *
|
| 1509 | * Sets an assertion that the value that @left evaluates to is less than or
|
| 1510 | * equal to the value that @right evaluates to. This is the same as
|
| 1511 | * KUNIT_EXPECT_LE(), except it causes an assertion failure (see
|
| 1512 | * KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1513 |
|
| 1514 | #define KUNIT_ASSERT_LE(test, left, right) \
|
| 1515 | KUNIT_ASSERT_LE_MSG(test, left, right, NULL)
|
| 1516 |
|
| 1517 | #define KUNIT_ASSERT_LE_MSG(test, left, right, fmt, ...) \
|
| 1518 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1519 | KUNIT_ASSERTION, \
|
| 1520 | left, <=, right, \
|
| 1521 | fmt, \
|
| 1522 | ##__VA_ARGS__)
|
| 1523 |
|
| 1524 | |
| 1525 | * KUNIT_ASSERT_GT() - An assertion that @left is greater than @right.
|
| 1526 | * @test: The test context object.
|
| 1527 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1528 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1529 | *
|
| 1530 | * Sets an assertion that the value that @left evaluates to is greater than the
|
| 1531 | * value that @right evaluates to. This is the same as KUNIT_EXPECT_GT(), except
|
| 1532 | * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
|
| 1533 | * is not met.
|
| 1534 |
|
| 1535 | #define KUNIT_ASSERT_GT(test, left, right) \
|
| 1536 | KUNIT_ASSERT_GT_MSG(test, left, right, NULL)
|
| 1537 |
|
| 1538 | #define KUNIT_ASSERT_GT_MSG(test, left, right, fmt, ...) \
|
| 1539 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1540 | KUNIT_ASSERTION, \
|
| 1541 | left, >, right, \
|
| 1542 | fmt, \
|
| 1543 | ##__VA_ARGS__)
|
| 1544 |
|
| 1545 | |
| 1546 | * KUNIT_ASSERT_GE() - Assertion that @left is greater than or equal to @right.
|
| 1547 | * @test: The test context object.
|
| 1548 | * @left: an arbitrary expression that evaluates to a primitive C type.
|
| 1549 | * @right: an arbitrary expression that evaluates to a primitive C type.
|
| 1550 | *
|
| 1551 | * Sets an assertion that the value that @left evaluates to is greater than the
|
| 1552 | * value that @right evaluates to. This is the same as KUNIT_EXPECT_GE(), except
|
| 1553 | * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
|
| 1554 | * is not met.
|
| 1555 |
|
| 1556 | #define KUNIT_ASSERT_GE(test, left, right) \
|
| 1557 | KUNIT_ASSERT_GE_MSG(test, left, right, NULL)
|
| 1558 |
|
| 1559 | #define KUNIT_ASSERT_GE_MSG(test, left, right, fmt, ...) \
|
| 1560 | KUNIT_BINARY_INT_ASSERTION(test, \
|
| 1561 | KUNIT_ASSERTION, \
|
| 1562 | left, >=, right, \
|
| 1563 | fmt, \
|
| 1564 | ##__VA_ARGS__)
|
| 1565 |
|
| 1566 | |
| 1567 | * KUNIT_ASSERT_STREQ() - An assertion that strings @left and @right are equal.
|
| 1568 | * @test: The test context object.
|
| 1569 | * @left: an arbitrary expression that evaluates to a null terminated string.
|
| 1570 | * @right: an arbitrary expression that evaluates to a null terminated string.
|
| 1571 | *
|
| 1572 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1573 | * equal. This is the same as KUNIT_EXPECT_STREQ(), except it causes an
|
| 1574 | * assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1575 |
|
| 1576 | #define KUNIT_ASSERT_STREQ(test, left, right) \
|
| 1577 | KUNIT_ASSERT_STREQ_MSG(test, left, right, NULL)
|
| 1578 |
|
| 1579 | #define KUNIT_ASSERT_STREQ_MSG(test, left, right, fmt, ...) \
|
| 1580 | KUNIT_BINARY_STR_ASSERTION(test, \
|
| 1581 | KUNIT_ASSERTION, \
|
| 1582 | left, ==, right, \
|
| 1583 | fmt, \
|
| 1584 | ##__VA_ARGS__)
|
| 1585 |
|
| 1586 | |
| 1587 | * KUNIT_ASSERT_STRNEQ() - An assertion that strings @left and @right are not equal.
|
| 1588 | * @test: The test context object.
|
| 1589 | * @left: an arbitrary expression that evaluates to a null terminated string.
|
| 1590 | * @right: an arbitrary expression that evaluates to a null terminated string.
|
| 1591 | *
|
| 1592 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1593 | * not equal. This is semantically equivalent to
|
| 1594 | * KUNIT_ASSERT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_ASSERT_TRUE()
|
| 1595 | * for more information.
|
| 1596 |
|
| 1597 | #define KUNIT_ASSERT_STRNEQ(test, left, right) \
|
| 1598 | KUNIT_ASSERT_STRNEQ_MSG(test, left, right, NULL)
|
| 1599 |
|
| 1600 | #define KUNIT_ASSERT_STRNEQ_MSG(test, left, right, fmt, ...) \
|
| 1601 | KUNIT_BINARY_STR_ASSERTION(test, \
|
| 1602 | KUNIT_ASSERTION, \
|
| 1603 | left, !=, right, \
|
| 1604 | fmt, \
|
| 1605 | ##__VA_ARGS__)
|
| 1606 |
|
| 1607 | |
| 1608 | * KUNIT_ASSERT_MEMEQ() - Asserts that the first @size bytes of @left and @right are equal.
|
| 1609 | * @test: The test context object.
|
| 1610 | * @left: An arbitrary expression that evaluates to the specified size.
|
| 1611 | * @right: An arbitrary expression that evaluates to the specified size.
|
| 1612 | * @size: Number of bytes compared.
|
| 1613 | *
|
| 1614 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1615 | * equal. This is semantically equivalent to
|
| 1616 | * KUNIT_ASSERT_TRUE(@test, !memcmp((@left), (@right), (@size))). See
|
| 1617 | * KUNIT_ASSERT_TRUE() for more information.
|
| 1618 | *
|
| 1619 | * Although this assertion works for any memory block, it is not recommended
|
| 1620 | * for comparing more structured data, such as structs. This assertion is
|
| 1621 | * recommended for comparing, for example, data arrays.
|
| 1622 |
|
| 1623 | #define KUNIT_ASSERT_MEMEQ(test, left, right, size) \
|
| 1624 | KUNIT_ASSERT_MEMEQ_MSG(test, left, right, size, NULL)
|
| 1625 |
|
| 1626 | #define KUNIT_ASSERT_MEMEQ_MSG(test, left, right, size, fmt, ...) \
|
| 1627 | KUNIT_MEM_ASSERTION(test, \
|
| 1628 | KUNIT_ASSERTION, \
|
| 1629 | left, ==, right, \
|
| 1630 | size, \
|
| 1631 | fmt, \
|
| 1632 | ##__VA_ARGS__)
|
| 1633 |
|
| 1634 | |
| 1635 | * KUNIT_ASSERT_MEMNEQ() - Asserts that the first @size bytes of @left and @right are not equal.
|
| 1636 | * @test: The test context object.
|
| 1637 | * @left: An arbitrary expression that evaluates to the specified size.
|
| 1638 | * @right: An arbitrary expression that evaluates to the specified size.
|
| 1639 | * @size: Number of bytes compared.
|
| 1640 | *
|
| 1641 | * Sets an assertion that the values that @left and @right evaluate to are
|
| 1642 | * not equal. This is semantically equivalent to
|
| 1643 | * KUNIT_ASSERT_TRUE(@test, memcmp((@left), (@right), (@size))). See
|
| 1644 | * KUNIT_ASSERT_TRUE() for more information.
|
| 1645 | *
|
| 1646 | * Although this assertion works for any memory block, it is not recommended
|
| 1647 | * for comparing more structured data, such as structs. This assertion is
|
| 1648 | * recommended for comparing, for example, data arrays.
|
| 1649 |
|
| 1650 | #define KUNIT_ASSERT_MEMNEQ(test, left, right, size) \
|
| 1651 | KUNIT_ASSERT_MEMNEQ_MSG(test, left, right, size, NULL)
|
| 1652 |
|
| 1653 | #define KUNIT_ASSERT_MEMNEQ_MSG(test, left, right, size, fmt, ...) \
|
| 1654 | KUNIT_MEM_ASSERTION(test, \
|
| 1655 | KUNIT_ASSERTION, \
|
| 1656 | left, !=, right, \
|
| 1657 | size, \
|
| 1658 | fmt, \
|
| 1659 | ##__VA_ARGS__)
|
| 1660 |
|
| 1661 | |
| 1662 | * KUNIT_ASSERT_NULL() - Asserts that pointers @ptr is null.
|
| 1663 | * @test: The test context object.
|
| 1664 | * @ptr: an arbitrary pointer.
|
| 1665 | *
|
| 1666 | * Sets an assertion that the values that @ptr evaluates to is null. This is
|
| 1667 | * the same as KUNIT_EXPECT_NULL(), except it causes an assertion
|
| 1668 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1669 |
|
| 1670 | #define KUNIT_ASSERT_NULL(test, ptr) \
|
| 1671 | KUNIT_ASSERT_NULL_MSG(test, \
|
| 1672 | ptr, \
|
| 1673 | NULL)
|
| 1674 |
|
| 1675 | #define KUNIT_ASSERT_NULL_MSG(test, ptr, fmt, ...) \
|
| 1676 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1677 | KUNIT_ASSERTION, \
|
| 1678 | ptr, ==, NULL, \
|
| 1679 | fmt, \
|
| 1680 | ##__VA_ARGS__)
|
| 1681 |
|
| 1682 | |
| 1683 | * KUNIT_ASSERT_NOT_NULL() - Asserts that pointers @ptr is not null.
|
| 1684 | * @test: The test context object.
|
| 1685 | * @ptr: an arbitrary pointer.
|
| 1686 | *
|
| 1687 | * Sets an assertion that the values that @ptr evaluates to is not null. This
|
| 1688 | * is the same as KUNIT_EXPECT_NOT_NULL(), except it causes an assertion
|
| 1689 | * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1690 |
|
| 1691 | #define KUNIT_ASSERT_NOT_NULL(test, ptr) \
|
| 1692 | KUNIT_ASSERT_NOT_NULL_MSG(test, \
|
| 1693 | ptr, \
|
| 1694 | NULL)
|
| 1695 |
|
| 1696 | #define KUNIT_ASSERT_NOT_NULL_MSG(test, ptr, fmt, ...) \
|
| 1697 | KUNIT_BINARY_PTR_ASSERTION(test, \
|
| 1698 | KUNIT_ASSERTION, \
|
| 1699 | ptr, !=, NULL, \
|
| 1700 | fmt, \
|
| 1701 | ##__VA_ARGS__)
|
| 1702 |
|
| 1703 | |
| 1704 | * KUNIT_ASSERT_NOT_ERR_OR_NULL() - Assertion that @ptr is not null and not err.
|
| 1705 | * @test: The test context object.
|
| 1706 | * @ptr: an arbitrary pointer.
|
| 1707 | *
|
| 1708 | * Sets an assertion that the value that @ptr evaluates to is not null and not
|
| 1709 | * an errno stored in a pointer. This is the same as
|
| 1710 | * KUNIT_EXPECT_NOT_ERR_OR_NULL(), except it causes an assertion failure (see
|
| 1711 | * KUNIT_ASSERT_TRUE()) when the assertion is not met.
|
| 1712 |
|
| 1713 | #define KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr) \
|
| 1714 | KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, NULL)
|
| 1715 |
|
| 1716 | #define KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...) \
|
| 1717 | KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
|
| 1718 | KUNIT_ASSERTION, \
|
| 1719 | ptr, \
|
| 1720 | fmt, \
|
| 1721 | ##__VA_ARGS__)
|
| 1722 |
|
| 1723 | |
| 1724 | * KUNIT_ARRAY_PARAM() - Define test parameter generator from an array.
|
| 1725 | * @name: prefix for the test parameter generator function.
|
| 1726 | * @array: array of test parameters.
|
| 1727 | * @get_desc: function to convert param to description; NULL to use default
|
| 1728 | *
|
| 1729 | * Define function @name_gen_params which uses @array to generate parameters.
|
| 1730 |
|
| 1731 | #define KUNIT_ARRAY_PARAM(name, array, get_desc) \
|
| 1732 | static const void *name##_gen_params(struct kunit *test, \
|
| 1733 | const void *prev, char *desc) \
|
| 1734 | { \
|
| 1735 | typeof((array)[0]) *__next = prev ? ((typeof(__next)) prev) + 1 : (array); \
|
| 1736 | if (!prev) \
|
| 1737 | kunit_register_params_array(test, array, ARRAY_SIZE(array), NULL); \
|
| 1738 | if (__next - (array) < ARRAY_SIZE((array))) { \
|
| 1739 | void (*__get_desc)(typeof(__next), char *) = get_desc; \
|
| 1740 | if (__get_desc) \
|
| 1741 | __get_desc(__next, desc); \
|
| 1742 | return __next; \
|
| 1743 | } \
|
| 1744 | return NULL; \
|
| 1745 | }
|
| 1746 |
|
| 1747 | |
| 1748 | * KUNIT_ARRAY_PARAM_DESC() - Define test parameter generator from an array.
|
| 1749 | * @name: prefix for the test parameter generator function.
|
| 1750 | * @array: array of test parameters.
|
| 1751 | * @desc_member: structure member from array element to use as description
|
| 1752 | *
|
| 1753 | * Define function @name_gen_params which uses @array to generate parameters.
|
| 1754 |
|
| 1755 | #define KUNIT_ARRAY_PARAM_DESC(name, array, desc_member) \
|
| 1756 | static const void *name##_gen_params(struct kunit *test, \
|
| 1757 | const void *prev, char *desc) \
|
| 1758 | { \
|
| 1759 | typeof((array)[0]) *__next = prev ? ((typeof(__next)) prev) + 1 : (array); \
|
| 1760 | if (!prev) \
|
| 1761 | kunit_register_params_array(test, array, ARRAY_SIZE(array), NULL); \
|
| 1762 | if (__next - (array) < ARRAY_SIZE((array))) { \
|
| 1763 | strscpy(desc, __next->desc_member, KUNIT_PARAM_DESC_SIZE); \
|
| 1764 | return __next; \
|
| 1765 | } \
|
| 1766 | return NULL; \
|
| 1767 | }
|
| 1768 |
|
| 1769 | |
| 1770 | * kunit_register_params_array() - Register parameter array for a KUnit test.
|
| 1771 | * @test: The KUnit test structure to which parameters will be added.
|
| 1772 | * @array: An array of test parameters.
|
| 1773 | * @param_count: Number of parameters.
|
| 1774 | * @get_desc: Function that generates a string description for a given parameter
|
| 1775 | * element.
|
| 1776 | *
|
| 1777 | * This macro initializes the @test's parameter array data, storing information
|
| 1778 | * including the parameter array, its count, the element size, and the parameter
|
| 1779 | * description function within `test->params_array`.
|
| 1780 | *
|
| 1781 | * Note: If using this macro in param_init(), kunit_array_gen_params()
|
| 1782 | * will then need to be manually provided as the parameter generator function to
|
| 1783 | * KUNIT_CASE_PARAM_WITH_INIT(). kunit_array_gen_params() is a KUnit
|
| 1784 | * function that uses the registered array to generate parameters
|
| 1785 |
|
| 1786 | #define kunit_register_params_array(test, array, param_count, get_desc) \
|
| 1787 | do { \
|
| 1788 | struct kunit *_test = (test); \
|
| 1789 | const typeof((array)[0]) * _params_ptr = &(array)[0]; \
|
| 1790 | _test->params_array.params = _params_ptr; \
|
| 1791 | _test->params_array.num_params = (param_count); \
|
| 1792 | _test->params_array.elem_size = sizeof(*_params_ptr); \
|
| 1793 | _test->params_array.get_description = (get_desc); \
|
| 1794 | } while (0)
|
| 1795 |
|
| 1796 | |
| 1797 | |
| 1798 | #include <kunit/resource.h>
|
| 1799 |
|
| 1800 | |
| 1801 | * Warning backtrace suppression API.
|
| 1802 | *
|
| 1803 | * Suppresses WARN*() backtraces on the current task while active. Two forms
|
| 1804 | * are provided:
|
| 1805 | *
|
| 1806 | * - Scoped: kunit_warning_suppress(test) { ... }
|
| 1807 | * Suppression is active for the duration of the block. On normal exit,
|
| 1808 | * the for-loop increment deactivates suppression. On early exit (break,
|
| 1809 | * return, goto), the __cleanup attribute fires. On kthread_exit() (e.g.,
|
| 1810 | * a failed KUnit assertion), kunit_add_action() cleans up at test
|
| 1811 | * teardown. The suppression handle is only accessible inside the block,
|
| 1812 | * so warning counts must be checked before the block exits.
|
| 1813 | *
|
| 1814 | * - Direct: kunit_start_suppress_warning() / kunit_end_suppress_warning()
|
| 1815 | * The underlying functions, returning an explicit handle pointer. Use
|
| 1816 | * when the handle needs to be retained (e.g., for post-suppression
|
| 1817 | * count checks) or passed across helper functions.
|
| 1818 |
|
| 1819 | struct kunit_suppressed_warning;
|
| 1820 |
|
| 1821 | struct kunit_suppressed_warning *
|
| 1822 | kunit_start_suppress_warning(struct kunit *test);
|
| 1823 | void kunit_end_suppress_warning(struct kunit *test,
|
| 1824 | struct kunit_suppressed_warning *w);
|
| 1825 | int kunit_suppressed_warning_count(struct kunit_suppressed_warning *w);
|
| 1826 | void __kunit_suppress_auto_cleanup(struct kunit_suppressed_warning **wp);
|
| 1827 | bool kunit_has_active_suppress_warning(void);
|
| 1828 |
|
| 1829 | |
| 1830 | * kunit_warning_suppress() - Suppress WARN*() backtraces for the duration
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| 1831 | * of a block.
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| 1832 | * @test: The test context object.
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| 1833 | *
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| 1834 | * Scoped form of the suppression API. Suppression starts when the block is
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| 1835 | * entered and ends automatically when the block exits through any path. See
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| 1836 | * the section comment above for the cleanup guarantees on each exit path.
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| 1837 | * Fails the test if suppression is already active; nesting is not supported.
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| 1838 | *
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| 1839 | * The warning count can be checked inside the block via
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| 1840 | * KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT(). The handle is not accessible
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| 1841 | * after the block exits.
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| 1842 | *
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| 1843 | * Example::
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| 1844 | *
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| 1845 | * kunit_warning_suppress(test) {
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| 1846 | * trigger_warning();
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| 1847 | * KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT(test, 1);
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| 1848 | * }
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| 1849 |
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| 1850 | #define kunit_warning_suppress(test) \
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| 1851 | for (struct kunit_suppressed_warning *__kunit_suppress \
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| 1852 | __cleanup(__kunit_suppress_auto_cleanup) = \
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| 1853 | kunit_start_suppress_warning(test); \
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| 1854 | __kunit_suppress; \
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| 1855 | kunit_end_suppress_warning(test, __kunit_suppress), \
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| 1856 | __kunit_suppress = NULL)
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| 1857 |
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| 1858 | |
| 1859 | * KUNIT_SUPPRESSED_WARNING_COUNT() - Returns the suppressed warning count.
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| 1860 | *
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| 1861 | * Returns the number of WARN*() calls suppressed since the current
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| 1862 | * suppression block started, or 0 if the handle is NULL. Usable inside a
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| 1863 | * kunit_warning_suppress() block.
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| 1864 |
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| 1865 | #define KUNIT_SUPPRESSED_WARNING_COUNT() \
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| 1866 | kunit_suppressed_warning_count(__kunit_suppress)
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| 1867 |
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| 1868 | |
| 1869 | * KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT() - Sets an expectation that the
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| 1870 | * suppressed warning count equals
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| 1871 | * @expected.
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| 1872 | * @test: The test context object.
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| 1873 | * @expected: an expression that evaluates to the expected warning count.
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| 1874 | *
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| 1875 | * Sets an expectation that the number of suppressed WARN*() calls equals
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| 1876 | * @expected. This is semantically equivalent to
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| 1877 | * KUNIT_EXPECT_EQ(@test, KUNIT_SUPPRESSED_WARNING_COUNT(), @expected).
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| 1878 | * See KUNIT_EXPECT_EQ() for more information.
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| 1879 |
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| 1880 | #define KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT(test, expected) \
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| 1881 | KUNIT_EXPECT_EQ(test, KUNIT_SUPPRESSED_WARNING_COUNT(), expected)
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| 1882 |
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| 1883 | |
| 1884 | * KUNIT_ASSERT_SUPPRESSED_WARNING_COUNT() - Sets an assertion that the
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| 1885 | * suppressed warning count equals
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| 1886 | * @expected.
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| 1887 | * @test: The test context object.
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| 1888 | * @expected: an expression that evaluates to the expected warning count.
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| 1889 | *
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| 1890 | * Sets an assertion that the number of suppressed WARN*() calls equals
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| 1891 | * @expected. This is the same as KUNIT_EXPECT_SUPPRESSED_WARNING_COUNT(),
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| 1892 | * except it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the
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| 1893 | * assertion is not met.
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| 1894 |
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| 1895 | #define KUNIT_ASSERT_SUPPRESSED_WARNING_COUNT(test, expected) \
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| 1896 | KUNIT_ASSERT_EQ(test, KUNIT_SUPPRESSED_WARNING_COUNT(), expected)
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| 1897 |
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| 1898 | #endif
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