| /* 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, ¶ms); | 
 |  *	} | 
 |  * | 
 |  * 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 */ |