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kunit: Introduce KUNIT_ASSERT_MEMEQ and KUNIT_ASSERT_MEMNEQ macros

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Introduces KUNIT_ASSERT_MEMEQ and KUNIT_ASSERT_MEMNEQ macros
to provide assert-type equivalents for memory comparison.
While KUNIT_EXPECT_MEMEQ and KUNIT_EXPECT_MEMNEQ are available for
expectations, the addition of these new macros ensures that assertions
can also be used for memory comparisons, enhancing the consistency and
completeness of the kunit framework.

Signed-off-by: Eric Chan <ericchancf@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Eric Chan 2024-07-11 19:39:45 +00:00 committed by Shuah Khan
parent 7d4087b013
commit ebf51e460e
1 changed files with 54 additions and 0 deletions
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54
include/kunit/test.h
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@ -1486,6 +1486,60 @@ do { \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_MEMEQ() - Asserts that the first @size bytes of @left and @right are equal.
* @test: The test context object.
* @left: An arbitrary expression that evaluates to the specified size.
* @right: An arbitrary expression that evaluates to the specified size.
* @size: Number of bytes compared.
*
* Sets an assertion that the values that @left and @right evaluate to are
* equal. This is semantically equivalent to
* KUNIT_ASSERT_TRUE(@test, !memcmp((@left), (@right), (@size))). See
* KUNIT_ASSERT_TRUE() for more information.
*
* Although this assertion works for any memory block, it is not recommended
* for comparing more structured data, such as structs. This assertion is
* recommended for comparing, for example, data arrays.
*/
#define KUNIT_ASSERT_MEMEQ(test, left, right, size) \
KUNIT_ASSERT_MEMEQ_MSG(test, left, right, size, NULL)
#define KUNIT_ASSERT_MEMEQ_MSG(test, left, right, size, fmt, ...) \
KUNIT_MEM_ASSERTION(test, \
KUNIT_ASSERTION, \
left, ==, right, \
size, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_MEMNEQ() - Asserts that the first @size bytes of @left and @right are not equal.
* @test: The test context object.
* @left: An arbitrary expression that evaluates to the specified size.
* @right: An arbitrary expression that evaluates to the specified size.
* @size: Number of bytes compared.
*
* Sets an assertion that the values that @left and @right evaluate to are
* not equal. This is semantically equivalent to
* KUNIT_ASSERT_TRUE(@test, memcmp((@left), (@right), (@size))). See
* KUNIT_ASSERT_TRUE() for more information.
*
* Although this assertion works for any memory block, it is not recommended
* for comparing more structured data, such as structs. This assertion is
* recommended for comparing, for example, data arrays.
*/
#define KUNIT_ASSERT_MEMNEQ(test, left, right, size) \
KUNIT_ASSERT_MEMNEQ_MSG(test, left, right, size, NULL)
#define KUNIT_ASSERT_MEMNEQ_MSG(test, left, right, size, fmt, ...) \
KUNIT_MEM_ASSERTION(test, \
KUNIT_ASSERTION, \
left, !=, right, \
size, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_NULL() - Asserts that pointers @ptr is null.
* @test: The test context object.