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linux/include/kunit/test.h
Arpitha Raghunandan fadb08e7c7 kunit: Support for Parameterized Testing 
Implementation of support for parameterized testing in KUnit. This
approach requires the creation of a test case using the
KUNIT_CASE_PARAM() macro that accepts a generator function as input.

This generator function should return the next parameter given the
previous parameter in parameterized tests. It also provides a macro to
generate common-case generators based on arrays. Generators may also
optionally provide a human-readable description of parameters, which is
displayed where available.

Note, currently the result of each parameter run is displayed in
diagnostic lines, and only the overall test case output summarizes
TAP-compliant success or failure of all parameter runs. In future, when
supported by kunit-tool, these can be turned into subsubtest outputs.

Signed-off-by: Arpitha Raghunandan <98.arpi@gmail.com>
Co-developed-by: Marco Elver <elver@google.com>
Signed-off-by: Marco Elver <elver@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Tested-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2020-12-02 16:06:49 -07:00

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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Base unit test (KUnit) API.
*
* Copyright (C) 2019, Google LLC.
* Author: Brendan Higgins <brendanhiggins@google.com>
*/
#ifndef _KUNIT_TEST_H
#define _KUNIT_TEST_H
#include <kunit/assert.h>
#include <kunit/try-catch.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/kref.h>
struct kunit_resource;
typedef int (*kunit_resource_init_t)(struct kunit_resource *, void *);
typedef void (*kunit_resource_free_t)(struct kunit_resource *);
/**
* struct kunit_resource - represents a *test managed resource*
* @data: for the user to store arbitrary data.
* @name: optional name
* @free: a user supplied function to free the resource. Populated by
* kunit_resource_alloc().
*
* Represents a *test managed resource*, a resource which will automatically be
* cleaned up at the end of a test case.
*
* Resources are reference counted so if a resource is retrieved via
* kunit_alloc_and_get_resource() or kunit_find_resource(), we need
* to call kunit_put_resource() to reduce the resource reference count
* when finished with it. Note that kunit_alloc_resource() does not require a
* kunit_resource_put() because it does not retrieve the resource itself.
*
* Example:
*
* .. code-block:: c
*
* struct kunit_kmalloc_params {
* size_t size;
* gfp_t gfp;
* };
*
* static int kunit_kmalloc_init(struct kunit_resource *res, void *context)
* {
* struct kunit_kmalloc_params *params = context;
* res->data = kmalloc(params->size, params->gfp);
*
* if (!res->data)
* return -ENOMEM;
*
* return 0;
* }
*
* static void kunit_kmalloc_free(struct kunit_resource *res)
* {
* kfree(res->data);
* }
*
* void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp)
* {
* struct kunit_kmalloc_params params;
*
* params.size = size;
* params.gfp = gfp;
*
* return kunit_alloc_resource(test, kunit_kmalloc_init,
* kunit_kmalloc_free, &params);
* }
*
* Resources can also be named, with lookup/removal done on a name
* basis also. kunit_add_named_resource(), kunit_find_named_resource()
* and kunit_destroy_named_resource(). Resource names must be
* unique within the test instance.
*/
struct kunit_resource {
void *data;
const char *name;
kunit_resource_free_t free;
/* private: internal use only. */
struct kref refcount;
struct list_head node;
};
struct kunit;
/* Size of log associated with test. */
#define KUNIT_LOG_SIZE 512
/* Maximum size of parameter description string. */
#define KUNIT_PARAM_DESC_SIZE 128
/*
* TAP specifies subtest stream indentation of 4 spaces, 8 spaces for a
* sub-subtest. See the "Subtests" section in
* https://node-tap.org/tap-protocol/
*/
#define KUNIT_SUBTEST_INDENT " "
#define KUNIT_SUBSUBTEST_INDENT " "
/**
* struct kunit_case - represents an individual test case.
*
* @run_case: the function representing the actual test case.
* @name: the name of the test case.
* @generate_params: the generator function for parameterized tests.
*
* A test case is a function with the signature,
* ``void (*)(struct kunit *)``
* that makes expectations and assertions (see KUNIT_EXPECT_TRUE() and
* KUNIT_ASSERT_TRUE()) about code under test. Each test case is associated
* with a &struct kunit_suite and will be run after the suite's init
* function and followed by the suite's exit function.
*
* A test case should be static and should only be created with the
* KUNIT_CASE() macro; additionally, every array of test cases should be
* terminated with an empty test case.
*
* Example:
*
* .. code-block:: c
*
* void add_test_basic(struct kunit *test)
* {
* KUNIT_EXPECT_EQ(test, 1, add(1, 0));
* KUNIT_EXPECT_EQ(test, 2, add(1, 1));
* KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
* KUNIT_EXPECT_EQ(test, INT_MAX, add(0, INT_MAX));
* KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
* }
*
* static struct kunit_case example_test_cases[] = {
* KUNIT_CASE(add_test_basic),
* {}
* };
*
*/
struct kunit_case {
void (*run_case)(struct kunit *test);
const char *name;
const void* (*generate_params)(const void *prev, char *desc);
/* private: internal use only. */
bool success;
char *log;
};
static inline char *kunit_status_to_string(bool status)
{
return status ? "ok" : "not ok";
}
/**
* KUNIT_CASE - A helper for creating a &struct kunit_case
*
* @test_name: a reference to a test case function.
*
* Takes a symbol for a function representing a test case and creates a
* &struct kunit_case object from it. See the documentation for
* &struct kunit_case for an example on how to use it.
*/
#define KUNIT_CASE(test_name) { .run_case = test_name, .name = #test_name }
/**
* KUNIT_CASE_PARAM - A helper for creation a parameterized &struct kunit_case
*
* @test_name: a reference to a test case function.
* @gen_params: a reference to a parameter generator function.
*
* The generator function::
*
* const void* gen_params(const void *prev, char *desc)
*
* is used to lazily generate a series of arbitrarily typed values that fit into
* a void*. The argument @prev is the previously returned value, which should be
* used to derive the next value; @prev is set to NULL on the initial generator
* call. When no more values are available, the generator must return NULL.
* Optionally write a string into @desc (size of KUNIT_PARAM_DESC_SIZE)
* describing the parameter.
*/
#define KUNIT_CASE_PARAM(test_name, gen_params) \
{ .run_case = test_name, .name = #test_name, \
.generate_params = gen_params }
/**
* struct kunit_suite - describes a related collection of &struct kunit_case
*
* @name: the name of the test. Purely informational.
* @init: called before every test case.
* @exit: called after every test case.
* @test_cases: a null terminated array of test cases.
*
* A kunit_suite is a collection of related &struct kunit_case s, such that
* @init is called before every test case and @exit is called after every
* test case, similar to the notion of a *test fixture* or a *test class*
* in other unit testing frameworks like JUnit or Googletest.
*
* Every &struct kunit_case must be associated with a kunit_suite for KUnit
* to run it.
*/
struct kunit_suite {
const char name[256];
int (*init)(struct kunit *test);
void (*exit)(struct kunit *test);
struct kunit_case *test_cases;
/* private: internal use only */
struct dentry *debugfs;
char *log;
};
/**
* struct kunit - represents a running instance of a test.
*
* @priv: for user to store arbitrary data. Commonly used to pass data
* created in the init function (see &struct kunit_suite).
*
* Used to store information about the current context under which the test
* is running. Most of this data is private and should only be accessed
* indirectly via public functions; the one exception is @priv which can be
* used by the test writer to store arbitrary data.
*/
struct kunit {
void *priv;
/* private: internal use only. */
const char *name; /* Read only after initialization! */
char *log; /* Points at case log after initialization */
struct kunit_try_catch try_catch;
/* param_value is the current parameter value for a test case. */
const void *param_value;
/* param_index stores the index of the parameter in parameterized tests. */
int param_index;
/*
* success starts as true, and may only be set to false during a
* test case; thus, it is safe to update this across multiple
* threads using WRITE_ONCE; however, as a consequence, it may only
* be read after the test case finishes once all threads associated
* with the test case have terminated.
*/
bool success; /* Read only after test_case finishes! */
spinlock_t lock; /* Guards all mutable test state. */
/*
* Because resources is a list that may be updated multiple times (with
* new resources) from any thread associated with a test case, we must
* protect it with some type of lock.
*/
struct list_head resources; /* Protected by lock. */
};
static inline void kunit_set_failure(struct kunit *test)
{
WRITE_ONCE(test->success, false);
}
void kunit_init_test(struct kunit *test, const char *name, char *log);
int kunit_run_tests(struct kunit_suite *suite);
size_t kunit_suite_num_test_cases(struct kunit_suite *suite);
unsigned int kunit_test_case_num(struct kunit_suite *suite,
struct kunit_case *test_case);
int __kunit_test_suites_init(struct kunit_suite * const * const suites);
void __kunit_test_suites_exit(struct kunit_suite **suites);
#if IS_BUILTIN(CONFIG_KUNIT)
int kunit_run_all_tests(void);
#else
static inline int kunit_run_all_tests(void)
{
return 0;
}
#endif /* IS_BUILTIN(CONFIG_KUNIT) */
#ifdef MODULE
/**
* kunit_test_suites_for_module() - used to register one or more
* &struct kunit_suite with KUnit.
*
* @__suites: a statically allocated list of &struct kunit_suite.
*
* Registers @__suites with the test framework. See &struct kunit_suite for
* more information.
*
* If a test suite is built-in, module_init() gets translated into
* an initcall which we don't want as the idea is that for builtins
* the executor will manage execution. So ensure we do not define
* module_{init|exit} functions for the builtin case when registering
* suites via kunit_test_suites() below.
*/
#define kunit_test_suites_for_module(__suites) \
static int __init kunit_test_suites_init(void) \
{ \
return __kunit_test_suites_init(__suites); \
} \
module_init(kunit_test_suites_init); \
\
static void __exit kunit_test_suites_exit(void) \
{ \
return __kunit_test_suites_exit(__suites); \
} \
module_exit(kunit_test_suites_exit)
#else
#define kunit_test_suites_for_module(__suites)
#endif /* MODULE */
#define __kunit_test_suites(unique_array, unique_suites, ...) \
static struct kunit_suite *unique_array[] = { __VA_ARGS__, NULL }; \
kunit_test_suites_for_module(unique_array); \
static struct kunit_suite **unique_suites \
__used __section(".kunit_test_suites") = unique_array
/**
* kunit_test_suites() - used to register one or more &struct kunit_suite
* with KUnit.
*
* @__suites: a statically allocated list of &struct kunit_suite.
*
* Registers @suites with the test framework. See &struct kunit_suite for
* more information.
*
* When builtin, KUnit tests are all run via executor; this is done
* by placing the array of struct kunit_suite * in the .kunit_test_suites
* ELF section.
*
* An alternative is to build the tests as a module. Because modules do not
* support multiple initcall()s, we need to initialize an array of suites for a
* module.
*
*/
#define kunit_test_suites(__suites...) \
__kunit_test_suites(__UNIQUE_ID(array), \
__UNIQUE_ID(suites), \
##__suites)
#define kunit_test_suite(suite) kunit_test_suites(&suite)
#define kunit_suite_for_each_test_case(suite, test_case) \
for (test_case = suite->test_cases; test_case->run_case; test_case++)
bool kunit_suite_has_succeeded(struct kunit_suite *suite);
/*
* Like kunit_alloc_resource() below, but returns the struct kunit_resource
* object that contains the allocation. This is mostly for testing purposes.
*/
struct kunit_resource *kunit_alloc_and_get_resource(struct kunit *test,
kunit_resource_init_t init,
kunit_resource_free_t free,
gfp_t internal_gfp,
void *context);
/**
* kunit_get_resource() - Hold resource for use. Should not need to be used
* by most users as we automatically get resources
* retrieved by kunit_find_resource*().
* @res: resource
*/
static inline void kunit_get_resource(struct kunit_resource *res)
{
kref_get(&res->refcount);
}
/*
* Called when refcount reaches zero via kunit_put_resources();
* should not be called directly.
*/
static inline void kunit_release_resource(struct kref *kref)
{
struct kunit_resource *res = container_of(kref, struct kunit_resource,
refcount);
/* If free function is defined, resource was dynamically allocated. */
if (res->free) {
res->free(res);
kfree(res);
}
}
/**
* kunit_put_resource() - When caller is done with retrieved resource,
* kunit_put_resource() should be called to drop
* reference count. The resource list maintains
* a reference count on resources, so if no users
* are utilizing a resource and it is removed from
* the resource list, it will be freed via the
* associated free function (if any). Only
* needs to be used if we alloc_and_get() or
* find() resource.
* @res: resource
*/
static inline void kunit_put_resource(struct kunit_resource *res)
{
kref_put(&res->refcount, kunit_release_resource);
}
/**
* kunit_add_resource() - Add a *test managed resource*.
* @test: The test context object.
* @init: a user-supplied function to initialize the result (if needed). If
* none is supplied, the resource data value is simply set to @data.
* If an init function is supplied, @data is passed to it instead.
* @free: a user-supplied function to free the resource (if needed).
* @res: The resource.
* @data: value to pass to init function or set in resource data field.
*/
int kunit_add_resource(struct kunit *test,
kunit_resource_init_t init,
kunit_resource_free_t free,
struct kunit_resource *res,
void *data);
/**
* kunit_add_named_resource() - Add a named *test managed resource*.
* @test: The test context object.
* @init: a user-supplied function to initialize the resource data, if needed.
* @free: a user-supplied function to free the resource data, if needed.
* @res: The resource.
* @name: name to be set for resource.
* @data: value to pass to init function or set in resource data field.
*/
int kunit_add_named_resource(struct kunit *test,
kunit_resource_init_t init,
kunit_resource_free_t free,
struct kunit_resource *res,
const char *name,
void *data);
/**
* kunit_alloc_resource() - Allocates a *test managed resource*.
* @test: The test context object.
* @init: a user supplied function to initialize the resource.
* @free: a user supplied function to free the resource.
* @internal_gfp: gfp to use for internal allocations, if unsure, use GFP_KERNEL
* @context: for the user to pass in arbitrary data to the init function.
*
* Allocates a *test managed resource*, a resource which will automatically be
* cleaned up at the end of a test case. See &struct kunit_resource for an
* example.
*
* Note: KUnit needs to allocate memory for a kunit_resource object. You must
* specify an @internal_gfp that is compatible with the use context of your
* resource.
*/
static inline void *kunit_alloc_resource(struct kunit *test,
kunit_resource_init_t init,
kunit_resource_free_t free,
gfp_t internal_gfp,
void *context)
{
struct kunit_resource *res;
res = kzalloc(sizeof(*res), internal_gfp);
if (!res)
return NULL;
if (!kunit_add_resource(test, init, free, res, context))
return res->data;
return NULL;
}
typedef bool (*kunit_resource_match_t)(struct kunit *test,
struct kunit_resource *res,
void *match_data);
/**
* kunit_resource_instance_match() - Match a resource with the same instance.
* @test: Test case to which the resource belongs.
* @res: The resource.
* @match_data: The resource pointer to match against.
*
* An instance of kunit_resource_match_t that matches a resource whose
* allocation matches @match_data.
*/
static inline bool kunit_resource_instance_match(struct kunit *test,
struct kunit_resource *res,
void *match_data)
{
return res->data == match_data;
}
/**
* kunit_resource_name_match() - Match a resource with the same name.
* @test: Test case to which the resource belongs.
* @res: The resource.
* @match_name: The name to match against.
*/
static inline bool kunit_resource_name_match(struct kunit *test,
struct kunit_resource *res,
void *match_name)
{
return res->name && strcmp(res->name, match_name) == 0;
}
/**
* kunit_find_resource() - Find a resource using match function/data.
* @test: Test case to which the resource belongs.
* @match: match function to be applied to resources/match data.
* @match_data: data to be used in matching.
*/
static inline struct kunit_resource *
kunit_find_resource(struct kunit *test,
kunit_resource_match_t match,
void *match_data)
{
struct kunit_resource *res, *found = NULL;
spin_lock(&test->lock);
list_for_each_entry_reverse(res, &test->resources, node) {
if (match(test, res, (void *)match_data)) {
found = res;
kunit_get_resource(found);
break;
}
}
spin_unlock(&test->lock);
return found;
}
/**
* kunit_find_named_resource() - Find a resource using match name.
* @test: Test case to which the resource belongs.
* @name: match name.
*/
static inline struct kunit_resource *
kunit_find_named_resource(struct kunit *test,
const char *name)
{
return kunit_find_resource(test, kunit_resource_name_match,
(void *)name);
}
/**
* kunit_destroy_resource() - Find a kunit_resource and destroy it.
* @test: Test case to which the resource belongs.
* @match: Match function. Returns whether a given resource matches @match_data.
* @match_data: Data passed into @match.
*
* RETURNS:
* 0 if kunit_resource is found and freed, -ENOENT if not found.
*/
int kunit_destroy_resource(struct kunit *test,
kunit_resource_match_t match,
void *match_data);
static inline int kunit_destroy_named_resource(struct kunit *test,
const char *name)
{
return kunit_destroy_resource(test, kunit_resource_name_match,
(void *)name);
}
/**
* kunit_remove_resource() - remove resource from resource list associated with
* test.
* @test: The test context object.
* @res: The resource to be removed.
*
* Note that the resource will not be immediately freed since it is likely
* the caller has a reference to it via alloc_and_get() or find();
* in this case a final call to kunit_put_resource() is required.
*/
void kunit_remove_resource(struct kunit *test, struct kunit_resource *res);
/**
* kunit_kmalloc() - Like kmalloc() except the allocation is *test managed*.
* @test: The test context object.
* @size: The size in bytes of the desired memory.
* @gfp: flags passed to underlying kmalloc().
*
* Just like `kmalloc(...)`, except the allocation is managed by the test case
* and is automatically cleaned up after the test case concludes. See &struct
* kunit_resource for more information.
*/
void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp);
/**
* kunit_kfree() - Like kfree except for allocations managed by KUnit.
* @test: The test case to which the resource belongs.
* @ptr: The memory allocation to free.
*/
void kunit_kfree(struct kunit *test, const void *ptr);
/**
* kunit_kzalloc() - Just like kunit_kmalloc(), but zeroes the allocation.
* @test: The test context object.
* @size: The size in bytes of the desired memory.
* @gfp: flags passed to underlying kmalloc().
*
* See kzalloc() and kunit_kmalloc() for more information.
*/
static inline void *kunit_kzalloc(struct kunit *test, size_t size, gfp_t gfp)
{
return kunit_kmalloc(test, size, gfp | __GFP_ZERO);
}
void kunit_cleanup(struct kunit *test);
void kunit_log_append(char *log, const char *fmt, ...);
/*
* printk and log to per-test or per-suite log buffer. Logging only done
* if CONFIG_KUNIT_DEBUGFS is 'y'; if it is 'n', no log is allocated/used.
*/
#define kunit_log(lvl, test_or_suite, fmt, ...) \
do { \
printk(lvl fmt, ##__VA_ARGS__); \
kunit_log_append((test_or_suite)->log, fmt "\n", \
##__VA_ARGS__); \
} while (0)
#define kunit_printk(lvl, test, fmt, ...) \
kunit_log(lvl, test, KUNIT_SUBTEST_INDENT "# %s: " fmt, \
(test)->name, ##__VA_ARGS__)
/**
* kunit_info() - Prints an INFO level message associated with @test.
*
* @test: The test context object.
* @fmt: A printk() style format string.
*
* Prints an info level message associated with the test suite being run.
* Takes a variable number of format parameters just like printk().
*/
#define kunit_info(test, fmt, ...) \
kunit_printk(KERN_INFO, test, fmt, ##__VA_ARGS__)
/**
* kunit_warn() - Prints a WARN level message associated with @test.
*
* @test: The test context object.
* @fmt: A printk() style format string.
*
* Prints a warning level message.
*/
#define kunit_warn(test, fmt, ...) \
kunit_printk(KERN_WARNING, test, fmt, ##__VA_ARGS__)
/**
* kunit_err() - Prints an ERROR level message associated with @test.
*
* @test: The test context object.
* @fmt: A printk() style format string.
*
* Prints an error level message.
*/
#define kunit_err(test, fmt, ...) \
kunit_printk(KERN_ERR, test, fmt, ##__VA_ARGS__)
/**
* KUNIT_SUCCEED() - A no-op expectation. Only exists for code clarity.
* @test: The test context object.
*
* The opposite of KUNIT_FAIL(), it is an expectation that cannot fail. In other
* words, it does nothing and only exists for code clarity. See
* KUNIT_EXPECT_TRUE() for more information.
*/
#define KUNIT_SUCCEED(test) do {} while (0)
void kunit_do_assertion(struct kunit *test,
struct kunit_assert *assert,
bool pass,
const char *fmt, ...);
#define KUNIT_ASSERTION(test, pass, assert_class, INITIALIZER, fmt, ...) do { \
struct assert_class __assertion = INITIALIZER; \
kunit_do_assertion(test, \
&__assertion.assert, \
pass, \
fmt, \
##__VA_ARGS__); \
} while (0)
#define KUNIT_FAIL_ASSERTION(test, assert_type, fmt, ...) \
KUNIT_ASSERTION(test, \
false, \
kunit_fail_assert, \
KUNIT_INIT_FAIL_ASSERT_STRUCT(test, assert_type), \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_FAIL() - Always causes a test to fail when evaluated.
* @test: The test context object.
* @fmt: an informational message to be printed when the assertion is made.
* @...: string format arguments.
*
* The opposite of KUNIT_SUCCEED(), it is an expectation that always fails. In
* other words, it always results in a failed expectation, and consequently
* always causes the test case to fail when evaluated. See KUNIT_EXPECT_TRUE()
* for more information.
*/
#define KUNIT_FAIL(test, fmt, ...) \
KUNIT_FAIL_ASSERTION(test, \
KUNIT_EXPECTATION, \
fmt, \
##__VA_ARGS__)
#define KUNIT_UNARY_ASSERTION(test, \
assert_type, \
condition, \
expected_true, \
fmt, \
...) \
KUNIT_ASSERTION(test, \
!!(condition) == !!expected_true, \
kunit_unary_assert, \
KUNIT_INIT_UNARY_ASSERT_STRUCT(test, \
assert_type, \
#condition, \
expected_true), \
fmt, \
##__VA_ARGS__)
#define KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, fmt, ...) \
KUNIT_UNARY_ASSERTION(test, \
assert_type, \
condition, \
true, \
fmt, \
##__VA_ARGS__)
#define KUNIT_TRUE_ASSERTION(test, assert_type, condition) \
KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, NULL)
#define KUNIT_FALSE_MSG_ASSERTION(test, assert_type, condition, fmt, ...) \
KUNIT_UNARY_ASSERTION(test, \
assert_type, \
condition, \
false, \
fmt, \
##__VA_ARGS__)
#define KUNIT_FALSE_ASSERTION(test, assert_type, condition) \
KUNIT_FALSE_MSG_ASSERTION(test, assert_type, condition, NULL)
/*
* A factory macro for defining the assertions and expectations for the basic
* comparisons defined for the built in types.
*
* Unfortunately, there is no common type that all types can be promoted to for
* which all the binary operators behave the same way as for the actual types
* (for example, there is no type that long long and unsigned long long can
* both be cast to where the comparison result is preserved for all values). So
* the best we can do is do the comparison in the original types and then coerce
* everything to long long for printing; this way, the comparison behaves
* correctly and the printed out value usually makes sense without
* interpretation, but can always be interpreted to figure out the actual
* value.
*/
#define KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
op, \
right, \
fmt, \
...) \
do { \
typeof(left) __left = (left); \
typeof(right) __right = (right); \
((void)__typecheck(__left, __right)); \
\
KUNIT_ASSERTION(test, \
__left op __right, \
assert_class, \
ASSERT_CLASS_INIT(test, \
assert_type, \
#op, \
#left, \
__left, \
#right, \
__right), \
fmt, \
##__VA_ARGS__); \
} while (0)
#define KUNIT_BASE_EQ_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, ==, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BASE_NE_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, !=, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BASE_LT_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, <, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BASE_LE_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, <=, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BASE_GT_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, >, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BASE_GE_MSG_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_BINARY_ASSERTION(test, \
assert_class, \
ASSERT_CLASS_INIT, \
assert_type, \
left, >=, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_EQ_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_EQ_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_EQ_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_EQ_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_EQ_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_EQ_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_NE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_NE_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_NE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_NE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_NE_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_NE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_LT_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_LT_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_LT_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_LT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_LT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_LT_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_LT_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_LT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_LE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_LE_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_LE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_LE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_LE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_LE_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_LE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_LE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_GT_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_GT_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_GT_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_GT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_GT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_GT_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_GT_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_GT_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_GE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
KUNIT_BASE_GE_MSG_ASSERTION(test, \
kunit_binary_assert, \
KUNIT_INIT_BINARY_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_GE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_GE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_PTR_GE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BASE_GE_MSG_ASSERTION(test, \
kunit_binary_ptr_assert, \
KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT, \
assert_type, \
left, \
right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_PTR_GE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_PTR_GE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_STR_ASSERTION(test, \
assert_type, \
left, \
op, \
right, \
fmt, \
...) \
do { \
typeof(left) __left = (left); \
typeof(right) __right = (right); \
\
KUNIT_ASSERTION(test, \
strcmp(__left, __right) op 0, \
kunit_binary_str_assert, \
KUNIT_INIT_BINARY_STR_ASSERT_STRUCT(test, \
assert_type, \
#op, \
#left, \
__left, \
#right, \
__right), \
fmt, \
##__VA_ARGS__); \
} while (0)
#define KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BINARY_STR_ASSERTION(test, \
assert_type, \
left, ==, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_STR_EQ_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
fmt, \
...) \
KUNIT_BINARY_STR_ASSERTION(test, \
assert_type, \
left, !=, right, \
fmt, \
##__VA_ARGS__)
#define KUNIT_BINARY_STR_NE_ASSERTION(test, assert_type, left, right) \
KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
assert_type, \
left, \
right, \
NULL)
#define KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
assert_type, \
ptr, \
fmt, \
...) \
do { \
typeof(ptr) __ptr = (ptr); \
\
KUNIT_ASSERTION(test, \
!IS_ERR_OR_NULL(__ptr), \
kunit_ptr_not_err_assert, \
KUNIT_INIT_PTR_NOT_ERR_STRUCT(test, \
assert_type, \
#ptr, \
__ptr), \
fmt, \
##__VA_ARGS__); \
} while (0)
#define KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, assert_type, ptr) \
KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
assert_type, \
ptr, \
NULL)
/**
* KUNIT_EXPECT_TRUE() - Causes a test failure when the expression is not true.
* @test: The test context object.
* @condition: an arbitrary boolean expression. The test fails when this does
* not evaluate to true.
*
* This and expectations of the form `KUNIT_EXPECT_*` will cause the test case
* to fail when the specified condition is not met; however, it will not prevent
* the test case from continuing to run; this is otherwise known as an
* *expectation failure*.
*/
#define KUNIT_EXPECT_TRUE(test, condition) \
KUNIT_TRUE_ASSERTION(test, KUNIT_EXPECTATION, condition)
#define KUNIT_EXPECT_TRUE_MSG(test, condition, fmt, ...) \
KUNIT_TRUE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
condition, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_FALSE() - Makes a test failure when the expression is not false.
* @test: The test context object.
* @condition: an arbitrary boolean expression. The test fails when this does
* not evaluate to false.
*
* Sets an expectation that @condition evaluates to false. See
* KUNIT_EXPECT_TRUE() for more information.
*/
#define KUNIT_EXPECT_FALSE(test, condition) \
KUNIT_FALSE_ASSERTION(test, KUNIT_EXPECTATION, condition)
#define KUNIT_EXPECT_FALSE_MSG(test, condition, fmt, ...) \
KUNIT_FALSE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
condition, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_EQ() - Sets an expectation that @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the values that @left and @right evaluate to are
* equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_EQ(test, left, right) \
KUNIT_BINARY_EQ_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_EQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_EQ_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_PTR_EQ() - Expects that pointers @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a pointer.
* @right: an arbitrary expression that evaluates to a pointer.
*
* Sets an expectation that the values that @left and @right evaluate to are
* equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_PTR_EQ(test, left, right) \
KUNIT_BINARY_PTR_EQ_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right)
#define KUNIT_EXPECT_PTR_EQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_NE() - An expectation that @left and @right are not equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the values that @left and @right evaluate to are not
* equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_NE(test, left, right) \
KUNIT_BINARY_NE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_NE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_NE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_PTR_NE() - Expects that pointers @left and @right are not equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a pointer.
* @right: an arbitrary expression that evaluates to a pointer.
*
* Sets an expectation that the values that @left and @right evaluate to are not
* equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_PTR_NE(test, left, right) \
KUNIT_BINARY_PTR_NE_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right)
#define KUNIT_EXPECT_PTR_NE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_LT() - An expectation that @left is less than @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the value that @left evaluates to is less than the
* value that @right evaluates to. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) < (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_LT(test, left, right) \
KUNIT_BINARY_LT_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_LT_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_LT_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_LE() - Expects that @left is less than or equal to @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the value that @left evaluates to is less than or
* equal to the value that @right evaluates to. Semantically this is equivalent
* to KUNIT_EXPECT_TRUE(@test, (@left) <= (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_LE(test, left, right) \
KUNIT_BINARY_LE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_LE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_LE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_GT() - An expectation that @left is greater than @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the value that @left evaluates to is greater than
* the value that @right evaluates to. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) > (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_GT(test, left, right) \
KUNIT_BINARY_GT_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_GT_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_GT_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_GE() - Expects that @left is greater than or equal to @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an expectation that the value that @left evaluates to is greater than
* the value that @right evaluates to. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, (@left) >= (@right)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_GE(test, left, right) \
KUNIT_BINARY_GE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_GE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_GE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_STREQ() - Expects that strings @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a null terminated string.
* @right: an arbitrary expression that evaluates to a null terminated string.
*
* Sets an expectation that the values that @left and @right evaluate to are
* equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, !strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
* for more information.
*/
#define KUNIT_EXPECT_STREQ(test, left, right) \
KUNIT_BINARY_STR_EQ_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_STREQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_STRNEQ() - Expects that strings @left and @right are not equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a null terminated string.
* @right: an arbitrary expression that evaluates to a null terminated string.
*
* Sets an expectation that the values that @left and @right evaluate to are
* not equal. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
* for more information.
*/
#define KUNIT_EXPECT_STRNEQ(test, left, right) \
KUNIT_BINARY_STR_NE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
#define KUNIT_EXPECT_STRNEQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_EXPECT_NOT_ERR_OR_NULL() - Expects that @ptr is not null and not err.
* @test: The test context object.
* @ptr: an arbitrary pointer.
*
* Sets an expectation that the value that @ptr evaluates to is not null and not
* an errno stored in a pointer. This is semantically equivalent to
* KUNIT_EXPECT_TRUE(@test, !IS_ERR_OR_NULL(@ptr)). See KUNIT_EXPECT_TRUE() for
* more information.
*/
#define KUNIT_EXPECT_NOT_ERR_OR_NULL(test, ptr) \
KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, KUNIT_EXPECTATION, ptr)
#define KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...) \
KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
KUNIT_EXPECTATION, \
ptr, \
fmt, \
##__VA_ARGS__)
#define KUNIT_ASSERT_FAILURE(test, fmt, ...) \
KUNIT_FAIL_ASSERTION(test, KUNIT_ASSERTION, fmt, ##__VA_ARGS__)
/**
* KUNIT_ASSERT_TRUE() - Sets an assertion that @condition is true.
* @test: The test context object.
* @condition: an arbitrary boolean expression. The test fails and aborts when
* this does not evaluate to true.
*
* This and assertions of the form `KUNIT_ASSERT_*` will cause the test case to
* fail *and immediately abort* when the specified condition is not met. Unlike
* an expectation failure, it will prevent the test case from continuing to run;
* this is otherwise known as an *assertion failure*.
*/
#define KUNIT_ASSERT_TRUE(test, condition) \
KUNIT_TRUE_ASSERTION(test, KUNIT_ASSERTION, condition)
#define KUNIT_ASSERT_TRUE_MSG(test, condition, fmt, ...) \
KUNIT_TRUE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
condition, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_FALSE() - Sets an assertion that @condition is false.
* @test: The test context object.
* @condition: an arbitrary boolean expression.
*
* Sets an assertion that the value that @condition evaluates to is false. This
* is the same as KUNIT_EXPECT_FALSE(), except it causes an assertion failure
* (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_FALSE(test, condition) \
KUNIT_FALSE_ASSERTION(test, KUNIT_ASSERTION, condition)
#define KUNIT_ASSERT_FALSE_MSG(test, condition, fmt, ...) \
KUNIT_FALSE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
condition, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_EQ() - Sets an assertion that @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the values that @left and @right evaluate to are
* equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
* failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_EQ(test, left, right) \
KUNIT_BINARY_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_EQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_EQ_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a pointer.
* @right: an arbitrary expression that evaluates to a pointer.
*
* Sets an assertion that the values that @left and @right evaluate to are
* equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
* failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_PTR_EQ(test, left, right) \
KUNIT_BINARY_PTR_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_PTR_EQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_NE() - An assertion that @left and @right are not equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the values that @left and @right evaluate to are not
* equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
* failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_NE(test, left, right) \
KUNIT_BINARY_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_NE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_NE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_PTR_NE() - Asserts that pointers @left and @right are not equal.
* KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a pointer.
* @right: an arbitrary expression that evaluates to a pointer.
*
* Sets an assertion that the values that @left and @right evaluate to are not
* equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
* failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_PTR_NE(test, left, right) \
KUNIT_BINARY_PTR_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_PTR_NE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_LT() - An assertion that @left is less than @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the value that @left evaluates to is less than the
* value that @right evaluates to. This is the same as KUNIT_EXPECT_LT(), except
* it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
* is not met.
*/
#define KUNIT_ASSERT_LT(test, left, right) \
KUNIT_BINARY_LT_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_LT_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_LT_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_LE() - An assertion that @left is less than or equal to @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the value that @left evaluates to is less than or
* equal to the value that @right evaluates to. This is the same as
* KUNIT_EXPECT_LE(), except it causes an assertion failure (see
* KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_LE(test, left, right) \
KUNIT_BINARY_LE_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_LE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_LE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_GT() - An assertion that @left is greater than @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the value that @left evaluates to is greater than the
* value that @right evaluates to. This is the same as KUNIT_EXPECT_GT(), except
* it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
* is not met.
*/
#define KUNIT_ASSERT_GT(test, left, right) \
KUNIT_BINARY_GT_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_GT_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_GT_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_GE() - Assertion that @left is greater than or equal to @right.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a primitive C type.
* @right: an arbitrary expression that evaluates to a primitive C type.
*
* Sets an assertion that the value that @left evaluates to is greater than the
* value that @right evaluates to. This is the same as KUNIT_EXPECT_GE(), except
* it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
* is not met.
*/
#define KUNIT_ASSERT_GE(test, left, right) \
KUNIT_BINARY_GE_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_GE_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_GE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_STREQ() - An assertion that strings @left and @right are equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a null terminated string.
* @right: an arbitrary expression that evaluates to a null terminated string.
*
* Sets an assertion that the values that @left and @right evaluate to are
* equal. This is the same as KUNIT_EXPECT_STREQ(), except it causes an
* assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_STREQ(test, left, right) \
KUNIT_BINARY_STR_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_STREQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_STRNEQ() - Expects that strings @left and @right are not equal.
* @test: The test context object.
* @left: an arbitrary expression that evaluates to a null terminated string.
* @right: an arbitrary expression that evaluates to a null terminated string.
*
* Sets an expectation that the values that @left and @right evaluate to are
* not equal. This is semantically equivalent to
* KUNIT_ASSERT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_ASSERT_TRUE()
* for more information.
*/
#define KUNIT_ASSERT_STRNEQ(test, left, right) \
KUNIT_BINARY_STR_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
#define KUNIT_ASSERT_STRNEQ_MSG(test, left, right, fmt, ...) \
KUNIT_BINARY_STR_NE_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
left, \
right, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ASSERT_NOT_ERR_OR_NULL() - Assertion that @ptr is not null and not err.
* @test: The test context object.
* @ptr: an arbitrary pointer.
*
* Sets an assertion that the value that @ptr evaluates to is not null and not
* an errno stored in a pointer. This is the same as
* KUNIT_EXPECT_NOT_ERR_OR_NULL(), except it causes an assertion failure (see
* KUNIT_ASSERT_TRUE()) when the assertion is not met.
*/
#define KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr) \
KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, KUNIT_ASSERTION, ptr)
#define KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...) \
KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test, \
KUNIT_ASSERTION, \
ptr, \
fmt, \
##__VA_ARGS__)
/**
* KUNIT_ARRAY_PARAM() - Define test parameter generator from an array.
* @name: prefix for the test parameter generator function.
* @array: array of test parameters.
* @get_desc: function to convert param to description; NULL to use default
*
* Define function @name_gen_params which uses @array to generate parameters.
*/
#define KUNIT_ARRAY_PARAM(name, array, get_desc) \
static const void *name##_gen_params(const void *prev, char *desc) \
{ \
typeof((array)[0]) *__next = prev ? ((typeof(__next)) prev) + 1 : (array); \
if (__next - (array) < ARRAY_SIZE((array))) { \
void (*__get_desc)(typeof(__next), char *) = get_desc; \
if (__get_desc) \
__get_desc(__next, desc); \
return __next; \
} \
return NULL; \
}
#endif /* _KUNIT_TEST_H */
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