mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
d8e2a76b4c
Add a test for string stream along with a simpler example. Signed-off-by: Brendan Higgins <brendanhiggins@google.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
89 lines
2.6 KiB
C
89 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Example KUnit test to show how to use KUnit.
|
|
*
|
|
* Copyright (C) 2019, Google LLC.
|
|
* Author: Brendan Higgins <brendanhiggins@google.com>
|
|
*/
|
|
|
|
#include <kunit/test.h>
|
|
|
|
/*
|
|
* This is the most fundamental element of KUnit, the test case. A test case
|
|
* makes a set EXPECTATIONs and ASSERTIONs about the behavior of some code; if
|
|
* any expectations or assertions are not met, the test fails; otherwise, the
|
|
* test passes.
|
|
*
|
|
* In KUnit, a test case is just a function with the signature
|
|
* `void (*)(struct kunit *)`. `struct kunit` is a context object that stores
|
|
* information about the current test.
|
|
*/
|
|
static void example_simple_test(struct kunit *test)
|
|
{
|
|
/*
|
|
* This is an EXPECTATION; it is how KUnit tests things. When you want
|
|
* to test a piece of code, you set some expectations about what the
|
|
* code should do. KUnit then runs the test and verifies that the code's
|
|
* behavior matched what was expected.
|
|
*/
|
|
KUNIT_EXPECT_EQ(test, 1 + 1, 2);
|
|
}
|
|
|
|
/*
|
|
* This is run once before each test case, see the comment on
|
|
* example_test_suite for more information.
|
|
*/
|
|
static int example_test_init(struct kunit *test)
|
|
{
|
|
kunit_info(test, "initializing\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Here we make a list of all the test cases we want to add to the test suite
|
|
* below.
|
|
*/
|
|
static struct kunit_case example_test_cases[] = {
|
|
/*
|
|
* This is a helper to create a test case object from a test case
|
|
* function; its exact function is not important to understand how to
|
|
* use KUnit, just know that this is how you associate test cases with a
|
|
* test suite.
|
|
*/
|
|
KUNIT_CASE(example_simple_test),
|
|
{}
|
|
};
|
|
|
|
/*
|
|
* This defines a suite or grouping of tests.
|
|
*
|
|
* Test cases are defined as belonging to the suite by adding them to
|
|
* `kunit_cases`.
|
|
*
|
|
* Often it is desirable to run some function which will set up things which
|
|
* will be used by every test; this is accomplished with an `init` function
|
|
* which runs before each test case is invoked. Similarly, an `exit` function
|
|
* may be specified which runs after every test case and can be used to for
|
|
* cleanup. For clarity, running tests in a test suite would behave as follows:
|
|
*
|
|
* suite.init(test);
|
|
* suite.test_case[0](test);
|
|
* suite.exit(test);
|
|
* suite.init(test);
|
|
* suite.test_case[1](test);
|
|
* suite.exit(test);
|
|
* ...;
|
|
*/
|
|
static struct kunit_suite example_test_suite = {
|
|
.name = "example",
|
|
.init = example_test_init,
|
|
.test_cases = example_test_cases,
|
|
};
|
|
|
|
/*
|
|
* This registers the above test suite telling KUnit that this is a suite of
|
|
* tests that need to be run.
|
|
*/
|
|
kunit_test_suite(example_test_suite);
|