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    SubjectRe: [PATCH v5 7/7] Documentation/dev-tools: Add kselftest_harness documentation
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    On 06/03/2017 05:17 AM, Mickaël Salaün wrote:
    >
    > On 02/06/2017 22:02, Shuah Khan wrote:
    >> Hi Mickaël,
    >>
    >> On 05/26/2017 12:44 PM, Mickaël Salaün wrote:
    >>> Add ReST metadata to kselftest_harness.h to be able to include the
    >>> comments in the Sphinx documentation.
    >>>
    >>
    >> These don't belong the change log. These types of changes are for
    >> reviewers benefit and should be added between the sign-of block
    >> and the start of diff.
    >
    > OK, I didn't know this rule, which seems different from one maintainer
    > to another. I'll take this into account the next time.

    It is a standard practice. Not just mine. If there is any information
    from these version to version differences that belong in the changelog,
    they need to be in the changelog format.

    >
    >>
    >> I had to fix a few patches in this series before commit.
    >>
    >>> Changes since v4:
    >>> * exclude the TEST_API() changes (requested by Kees Cook)
    >>>
    >>> Changes since v3:
    >>> * document macros as actual functions (suggested by Jonathan Corbet)
    >>> * remove the TEST_API() wrapper to expose the underlying macro arguments
    >>> to the documentation tools
    >>> * move and cleanup comments
    >>>
    >>> Changes since v2:
    >>> * add reference to the full documentation in the header file (suggested
    >>> by Kees Cook)
    >>
    >>>
    >>> Signed-off-by: Mickaël Salaün <mic@digikod.net>
    >>> Cc: Andy Lutomirski <luto@amacapital.net>
    >>> Cc: Jonathan Corbet <corbet@lwn.net>
    >>> Cc: Kees Cook <keescook@chromium.org>
    >>> Cc: Shuah Khan <shuah@kernel.org>
    >>> Cc: Will Drewry <wad@chromium.org>
    >>
    >> git am isn't happy:
    >>
    >> Applying: Documentation/dev-tools: Add kselftest_harness documentation
    >> .git/rebase-apply/patch:47: new blank line at EOF.
    >> +
    >> warning: 1 line adds whitespace errors.
    >>
    >> Please fix and resend.
    >
    > I didn't try to apply the series with "git am" since neither "git
    > format-patch" nor scripts/checkpatch.pl output a warning.
    >
    > This "git am" warning is about the last line of the ReST file which end
    > with an empty line. I will fix it if needed.

    Yeah that is what it is complaining about. Checkpatch didn't complain.
    Fix it and resend. I don't like git am complaining about patches. :)

    -- Shuah
    >
    >>
    >> -- Shuah
    >>
    >>> ---
    >>> Documentation/dev-tools/kselftest.rst | 34 +++
    >>> tools/testing/selftests/kselftest_harness.h | 415 ++++++++++++++++++++++------
    >>> 2 files changed, 364 insertions(+), 85 deletions(-)
    >>>
    >>> diff --git a/Documentation/dev-tools/kselftest.rst b/Documentation/dev-tools/kselftest.rst
    >>> index 9232ce94612c..a92fa181b6cf 100644
    >>> --- a/Documentation/dev-tools/kselftest.rst
    >>> +++ b/Documentation/dev-tools/kselftest.rst
    >>> @@ -120,3 +120,37 @@ Contributing new tests (details)
    >>> executable which is not tested by default.
    >>> TEST_FILES, TEST_GEN_FILES mean it is the file which is used by
    >>> test.
    >>> +
    >>> +Test Harness
    >>> +============
    >>> +
    >>> +The kselftest_harness.h file contains useful helpers to build tests. The tests
    >>> +from tools/testing/selftests/seccomp/seccomp_bpf.c can be used as example.
    >>> +
    >>> +Example
    >>> +-------
    >>> +
    >>> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
    >>> + :doc: example
    >>> +
    >>> +
    >>> +Helpers
    >>> +-------
    >>> +
    >>> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
    >>> + :functions: TH_LOG TEST TEST_SIGNAL FIXTURE FIXTURE_DATA FIXTURE_SETUP
    >>> + FIXTURE_TEARDOWN TEST_F TEST_HARNESS_MAIN
    >>> +
    >>> +Operators
    >>> +---------
    >>> +
    >>> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
    >>> + :doc: operators
    >>> +
    >>> +.. kernel-doc:: tools/testing/selftests/kselftest_harness.h
    >>> + :functions: ASSERT_EQ ASSERT_NE ASSERT_LT ASSERT_LE ASSERT_GT ASSERT_GE
    >>> + ASSERT_NULL ASSERT_TRUE ASSERT_NULL ASSERT_TRUE ASSERT_FALSE
    >>> + ASSERT_STREQ ASSERT_STRNE EXPECT_EQ EXPECT_NE EXPECT_LT
    >>> + EXPECT_LE EXPECT_GT EXPECT_GE EXPECT_NULL EXPECT_TRUE
    >>> + EXPECT_FALSE EXPECT_STREQ EXPECT_STRNE
    >>> +
    >>> diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
    >>> index 45f807ce37e1..c56f72e07cd7 100644
    >>> --- a/tools/testing/selftests/kselftest_harness.h
    >>> +++ b/tools/testing/selftests/kselftest_harness.h
    >>> @@ -4,41 +4,49 @@
    >>> *
    >>> * kselftest_harness.h: simple C unit test helper.
    >>> *
    >>> - * Usage:
    >>> - * #include "../kselftest_harness.h"
    >>> - * TEST(standalone_test) {
    >>> - * do_some_stuff;
    >>> - * EXPECT_GT(10, stuff) {
    >>> - * stuff_state_t state;
    >>> - * enumerate_stuff_state(&state);
    >>> - * TH_LOG("expectation failed with state: %s", state.msg);
    >>> - * }
    >>> - * more_stuff;
    >>> - * ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
    >>> - * last_stuff;
    >>> - * EXPECT_EQ(0, last_stuff);
    >>> - * }
    >>> - *
    >>> - * FIXTURE(my_fixture) {
    >>> - * mytype_t *data;
    >>> - * int awesomeness_level;
    >>> - * };
    >>> - * FIXTURE_SETUP(my_fixture) {
    >>> - * self->data = mytype_new();
    >>> - * ASSERT_NE(NULL, self->data);
    >>> - * }
    >>> - * FIXTURE_TEARDOWN(my_fixture) {
    >>> - * mytype_free(self->data);
    >>> - * }
    >>> - * TEST_F(my_fixture, data_is_good) {
    >>> - * EXPECT_EQ(1, is_my_data_good(self->data));
    >>> - * }
    >>> - *
    >>> - * TEST_HARNESS_MAIN
    >>> + * See documentation in Documentation/dev-tools/kselftest.rst
    >>> *
    >>> * API inspired by code.google.com/p/googletest
    >>> */
    >>>
    >>> +/**
    >>> + * DOC: example
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * #include "../kselftest_harness.h"
    >>> + *
    >>> + * TEST(standalone_test) {
    >>> + * do_some_stuff;
    >>> + * EXPECT_GT(10, stuff) {
    >>> + * stuff_state_t state;
    >>> + * enumerate_stuff_state(&state);
    >>> + * TH_LOG("expectation failed with state: %s", state.msg);
    >>> + * }
    >>> + * more_stuff;
    >>> + * ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
    >>> + * last_stuff;
    >>> + * EXPECT_EQ(0, last_stuff);
    >>> + * }
    >>> + *
    >>> + * FIXTURE(my_fixture) {
    >>> + * mytype_t *data;
    >>> + * int awesomeness_level;
    >>> + * };
    >>> + * FIXTURE_SETUP(my_fixture) {
    >>> + * self->data = mytype_new();
    >>> + * ASSERT_NE(NULL, self->data);
    >>> + * }
    >>> + * FIXTURE_TEARDOWN(my_fixture) {
    >>> + * mytype_free(self->data);
    >>> + * }
    >>> + * TEST_F(my_fixture, data_is_good) {
    >>> + * EXPECT_EQ(1, is_my_data_good(self->data));
    >>> + * }
    >>> + *
    >>> + * TEST_HARNESS_MAIN
    >>> + */
    >>> +
    >>> #ifndef __KSELFTEST_HARNESS_H
    >>> #define __KSELFTEST_HARNESS_H
    >>>
    >>> @@ -61,10 +69,20 @@
    >>> # define TH_LOG_ENABLED 1
    >>> #endif
    >>>
    >>> -/* TH_LOG(format, ...)
    >>> +/**
    >>> + * TH_LOG(fmt, ...)
    >>> + *
    >>> + * @fmt: format string
    >>> + * @...: optional arguments
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * TH_LOG(format, ...)
    >>> + *
    >>> * Optional debug logging function available for use in tests.
    >>> * Logging may be enabled or disabled by defining TH_LOG_ENABLED.
    >>> * E.g., #define TH_LOG_ENABLED 1
    >>> + *
    >>> * If no definition is provided, logging is enabled by default.
    >>> */
    >>> #define TH_LOG(fmt, ...) do { \
    >>> @@ -77,7 +95,16 @@
    >>> fprintf(TH_LOG_STREAM, "%s:%d:%s:" fmt "\n", \
    >>> __FILE__, __LINE__, _metadata->name, ##__VA_ARGS__)
    >>>
    >>> -/* TEST(name) { implementation }
    >>> +/**
    >>> + * TEST(test_name) - Defines the test function and creates the registration
    >>> + * stub
    >>> + *
    >>> + * @test_name: test name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * TEST(name) { implementation }
    >>> + *
    >>> * Defines a test by name.
    >>> * Names must be unique and tests must not be run in parallel. The
    >>> * implementation containing block is a function and scoping should be treated
    >>> @@ -85,10 +112,18 @@
    >>> *
    >>> * EXPECT_* and ASSERT_* are valid in a TEST() { } context.
    >>> */
    >>> -/* Defines the test function and creates the registration stub. */
    >>> #define TEST(test_name) __TEST_IMPL(test_name, -1)
    >>>
    >>> -/* TEST_SIGNAL(name, signal) { implementation }
    >>> +/**
    >>> + * TEST_SIGNAL(test_name, signal)
    >>> + *
    >>> + * @test_name: test name
    >>> + * @signal: signal number
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * TEST_SIGNAL(name, signal) { implementation }
    >>> + *
    >>> * Defines a test by name and the expected term signal.
    >>> * Names must be unique and tests must not be run in parallel. The
    >>> * implementation containing block is a function and scoping should be treated
    >>> @@ -110,22 +145,38 @@
    >>> static void test_name( \
    >>> struct __test_metadata __attribute__((unused)) *_metadata)
    >>>
    >>> -/* FIXTURE_DATA(datatype name)
    >>> +/**
    >>> + * FIXTURE_DATA(datatype_name) - Wraps the struct name so we have one less
    >>> + * argument to pass around
    >>> + *
    >>> + * @datatype_name: datatype name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * FIXTURE_DATA(datatype name)
    >>> + *
    >>> * This call may be used when the type of the fixture data
    >>> * is needed. In general, this should not be needed unless
    >>> - * the |self| is being passed to a helper directly.
    >>> + * the *self* is being passed to a helper directly.
    >>> */
    >>> -/* Wraps the struct name so we have one less argument to pass around. */
    >>> #define FIXTURE_DATA(datatype_name) struct _test_data_##datatype_name
    >>>
    >>> -/* FIXTURE(datatype name) {
    >>> - * type property1;
    >>> - * ...
    >>> - * };
    >>> - * Defines the data provided to TEST_F()-defined tests as |self|. It should be
    >>> - * populated and cleaned up using FIXTURE_SETUP and FIXTURE_TEARDOWN.
    >>> +/**
    >>> + * FIXTURE(fixture_name) - Called once per fixture to setup the data and
    >>> + * register
    >>> + *
    >>> + * @fixture_name: fixture name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * FIXTURE(datatype name) {
    >>> + * type property1;
    >>> + * ...
    >>> + * };
    >>> + *
    >>> + * Defines the data provided to TEST_F()-defined tests as *self*. It should be
    >>> + * populated and cleaned up using FIXTURE_SETUP() and FIXTURE_TEARDOWN().
    >>> */
    >>> -/* Called once per fixture to setup the data and register. */
    >>> #define FIXTURE(fixture_name) \
    >>> static void __attribute__((constructor)) \
    >>> _register_##fixture_name##_data(void) \
    >>> @@ -134,9 +185,18 @@
    >>> } \
    >>> FIXTURE_DATA(fixture_name)
    >>>
    >>> -/* FIXTURE_SETUP(fixture name) { implementation }
    >>> +/**
    >>> + * FIXTURE_SETUP(fixture_name) - Prepares the setup function for the fixture.
    >>> + * *_metadata* is included so that ASSERT_* work as a convenience
    >>> + *
    >>> + * @fixture_name: fixture name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * FIXTURE_SETUP(fixture name) { implementation }
    >>> + *
    >>> * Populates the required "setup" function for a fixture. An instance of the
    >>> - * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
    >>> + * datatype defined with FIXTURE_DATA() will be exposed as *self* for the
    >>> * implementation.
    >>> *
    >>> * ASSERT_* are valid for use in this context and will prempt the execution
    >>> @@ -144,16 +204,21 @@
    >>> *
    >>> * A bare "return;" statement may be used to return early.
    >>> */
    >>> -/* Prepares the setup function for the fixture. |_metadata| is included
    >>> - * so that ASSERT_* work as a convenience.
    >>> - */
    >>> #define FIXTURE_SETUP(fixture_name) \
    >>> void fixture_name##_setup( \
    >>> struct __test_metadata __attribute__((unused)) *_metadata, \
    >>> FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
    >>> -/* FIXTURE_TEARDOWN(fixture name) { implementation }
    >>> +/**
    >>> + * FIXTURE_TEARDOWN(fixture_name)
    >>> + *
    >>> + * @fixture_name: fixture name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * FIXTURE_TEARDOWN(fixture name) { implementation }
    >>> + *
    >>> * Populates the required "teardown" function for a fixture. An instance of the
    >>> - * datatype defined with _FIXTURE_DATA will be exposed as |self| for the
    >>> + * datatype defined with FIXTURE_DATA() will be exposed as *self* for the
    >>> * implementation to clean up.
    >>> *
    >>> * A bare "return;" statement may be used to return early.
    >>> @@ -163,15 +228,22 @@
    >>> struct __test_metadata __attribute__((unused)) *_metadata, \
    >>> FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
    >>>
    >>> -/* TEST_F(fixture, name) { implementation }
    >>> +/**
    >>> + * TEST_F(fixture_name, test_name) - Emits test registration and helpers for
    >>> + * fixture-based test cases
    >>> + *
    >>> + * @fixture_name: fixture name
    >>> + * @test_name: test name
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * TEST_F(fixture, name) { implementation }
    >>> + *
    >>> * Defines a test that depends on a fixture (e.g., is part of a test case).
    >>> - * Very similar to TEST() except that |self| is the setup instance of fixture's
    >>> + * Very similar to TEST() except that *self* is the setup instance of fixture's
    >>> * datatype exposed for use by the implementation.
    >>> */
    >>> -/* Emits test registration and helpers for fixture-based test
    >>> - * cases.
    >>> - * TODO(wad) register fixtures on dedicated test lists.
    >>> - */
    >>> +/* TODO(wad) register fixtures on dedicated test lists. */
    >>> #define TEST_F(fixture_name, test_name) \
    >>> __TEST_F_IMPL(fixture_name, test_name, -1)
    >>>
    >>> @@ -210,10 +282,15 @@
    >>> struct __test_metadata __attribute__((unused)) *_metadata, \
    >>> FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
    >>>
    >>> -/* Use once to append a main() to the test file. E.g.,
    >>> - * TEST_HARNESS_MAIN
    >>> +/**
    >>> + * TEST_HARNESS_MAIN - Simple wrapper to run the test harness
    >>> + *
    >>> + * .. code-block:: c
    >>> + *
    >>> + * TEST_HARNESS_MAIN
    >>> + *
    >>> + * Use once to append a main() to the test file.
    >>> */
    >>> -/* Exports a simple wrapper to run the test harness. */
    >>> #define TEST_HARNESS_MAIN \
    >>> static void __attribute__((constructor)) \
    >>> __constructor_order_last(void) \
    >>> @@ -225,79 +302,247 @@
    >>> return test_harness_run(argc, argv); \
    >>> }
    >>>
    >>> -/*
    >>> - * Operators for use in TEST and TEST_F.
    >>> +/**
    >>> + * DOC: operators
    >>> + *
    >>> + * Operators for use in TEST() and TEST_F().
    >>> * ASSERT_* calls will stop test execution immediately.
    >>> * EXPECT_* calls will emit a failure warning, note it, and continue.
    >>> */
    >>> -/* ASSERT_EQ(expected, measured): expected == measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_EQ(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_EQ(expected, measured): expected == measured
    >>> + */
    >>> #define ASSERT_EQ(expected, seen) \
    >>> __EXPECT(expected, seen, ==, 1)
    >>> -/* ASSERT_NE(expected, measured): expected != measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_NE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_NE(expected, measured): expected != measured
    >>> + */
    >>> #define ASSERT_NE(expected, seen) \
    >>> __EXPECT(expected, seen, !=, 1)
    >>> -/* ASSERT_LT(expected, measured): expected < measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_LT(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_LT(expected, measured): expected < measured
    >>> + */
    >>> #define ASSERT_LT(expected, seen) \
    >>> __EXPECT(expected, seen, <, 1)
    >>> -/* ASSERT_LE(expected, measured): expected <= measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_LE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_LE(expected, measured): expected <= measured
    >>> + */
    >>> #define ASSERT_LE(expected, seen) \
    >>> __EXPECT(expected, seen, <=, 1)
    >>> -/* ASSERT_GT(expected, measured): expected > measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_GT(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_GT(expected, measured): expected > measured
    >>> + */
    >>> #define ASSERT_GT(expected, seen) \
    >>> __EXPECT(expected, seen, >, 1)
    >>> -/* ASSERT_GE(expected, measured): expected >= measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_GE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_GE(expected, measured): expected >= measured
    >>> + */
    >>> #define ASSERT_GE(expected, seen) \
    >>> __EXPECT(expected, seen, >=, 1)
    >>> -/* ASSERT_NULL(measured): NULL == measured */
    >>> +
    >>> +/**
    >>> + * ASSERT_NULL(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_NULL(measured): NULL == measured
    >>> + */
    >>> #define ASSERT_NULL(seen) \
    >>> __EXPECT(NULL, seen, ==, 1)
    >>>
    >>> -/* ASSERT_TRUE(measured): measured != 0 */
    >>> +/**
    >>> + * ASSERT_TRUE(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_TRUE(measured): measured != 0
    >>> + */
    >>> #define ASSERT_TRUE(seen) \
    >>> ASSERT_NE(0, seen)
    >>> -/* ASSERT_FALSE(measured): measured == 0 */
    >>> +
    >>> +/**
    >>> + * ASSERT_FALSE(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_FALSE(measured): measured == 0
    >>> + */
    >>> #define ASSERT_FALSE(seen) \
    >>> ASSERT_EQ(0, seen)
    >>> -/* ASSERT_STREQ(expected, measured): !strcmp(expected, measured) */
    >>> +
    >>> +/**
    >>> + * ASSERT_STREQ(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_STREQ(expected, measured): !strcmp(expected, measured)
    >>> + */
    >>> #define ASSERT_STREQ(expected, seen) \
    >>> __EXPECT_STR(expected, seen, ==, 1)
    >>> -/* ASSERT_STRNE(expected, measured): strcmp(expected, measured) */
    >>> +
    >>> +/**
    >>> + * ASSERT_STRNE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * ASSERT_STRNE(expected, measured): strcmp(expected, measured)
    >>> + */
    >>> #define ASSERT_STRNE(expected, seen) \
    >>> __EXPECT_STR(expected, seen, !=, 1)
    >>>
    >>> -/* EXPECT_EQ(expected, measured): expected == measured */
    >>> +/**
    >>> + * EXPECT_EQ(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_EQ(expected, measured): expected == measured
    >>> + */
    >>> #define EXPECT_EQ(expected, seen) \
    >>> __EXPECT(expected, seen, ==, 0)
    >>> -/* EXPECT_NE(expected, measured): expected != measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_NE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_NE(expected, measured): expected != measured
    >>> + */
    >>> #define EXPECT_NE(expected, seen) \
    >>> __EXPECT(expected, seen, !=, 0)
    >>> -/* EXPECT_LT(expected, measured): expected < measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_LT(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_LT(expected, measured): expected < measured
    >>> + */
    >>> #define EXPECT_LT(expected, seen) \
    >>> __EXPECT(expected, seen, <, 0)
    >>> -/* EXPECT_LE(expected, measured): expected <= measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_LE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_LE(expected, measured): expected <= measured
    >>> + */
    >>> #define EXPECT_LE(expected, seen) \
    >>> __EXPECT(expected, seen, <=, 0)
    >>> -/* EXPECT_GT(expected, measured): expected > measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_GT(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_GT(expected, measured): expected > measured
    >>> + */
    >>> #define EXPECT_GT(expected, seen) \
    >>> __EXPECT(expected, seen, >, 0)
    >>> -/* EXPECT_GE(expected, measured): expected >= measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_GE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_GE(expected, measured): expected >= measured
    >>> + */
    >>> #define EXPECT_GE(expected, seen) \
    >>> __EXPECT(expected, seen, >=, 0)
    >>>
    >>> -/* EXPECT_NULL(measured): NULL == measured */
    >>> +/**
    >>> + * EXPECT_NULL(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_NULL(measured): NULL == measured
    >>> + */
    >>> #define EXPECT_NULL(seen) \
    >>> __EXPECT(NULL, seen, ==, 0)
    >>> -/* EXPECT_TRUE(measured): 0 != measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_TRUE(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_TRUE(measured): 0 != measured
    >>> + */
    >>> #define EXPECT_TRUE(seen) \
    >>> EXPECT_NE(0, seen)
    >>> -/* EXPECT_FALSE(measured): 0 == measured */
    >>> +
    >>> +/**
    >>> + * EXPECT_FALSE(seen)
    >>> + *
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_FALSE(measured): 0 == measured
    >>> + */
    >>> #define EXPECT_FALSE(seen) \
    >>> EXPECT_EQ(0, seen)
    >>>
    >>> -/* EXPECT_STREQ(expected, measured): !strcmp(expected, measured) */
    >>> +/**
    >>> + * EXPECT_STREQ(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_STREQ(expected, measured): !strcmp(expected, measured)
    >>> + */
    >>> #define EXPECT_STREQ(expected, seen) \
    >>> __EXPECT_STR(expected, seen, ==, 0)
    >>> -/* EXPECT_STRNE(expected, measured): strcmp(expected, measured) */
    >>> +
    >>> +/**
    >>> + * EXPECT_STRNE(expected, seen)
    >>> + *
    >>> + * @expected: expected value
    >>> + * @seen: measured value
    >>> + *
    >>> + * EXPECT_STRNE(expected, measured): strcmp(expected, measured)
    >>> + */
    >>> #define EXPECT_STRNE(expected, seen) \
    >>> __EXPECT_STR(expected, seen, !=, 0)
    >>>
    >>>
    >>
    >>
    >


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