| /* 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/slab.h> |
| #include <linux/types.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* |
| * @allocation: for the user to store arbitrary data. |
| * @free: a user supplied function to free the resource. Populated by |
| * kunit_alloc_resource(). |
| * |
| * Represents a *test managed resource*, a resource which will automatically be |
| * cleaned up at the end of a test case. |
| * |
| * 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->allocation = kmalloc(params->size, params->gfp); |
| * |
| * if (!res->allocation) |
| * return -ENOMEM; |
| * |
| * return 0; |
| * } |
| * |
| * static void kunit_kmalloc_free(struct kunit_resource *res) |
| * { |
| * kfree(res->allocation); |
| * } |
| * |
| * void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp) |
| * { |
| * struct kunit_kmalloc_params params; |
| * struct kunit_resource *res; |
| * |
| * params.size = size; |
| * params.gfp = gfp; |
| * |
| * res = kunit_alloc_resource(test, kunit_kmalloc_init, |
| * kunit_kmalloc_free, ¶ms); |
| * if (res) |
| * return res->allocation; |
| * |
| * return NULL; |
| * } |
| */ |
| struct kunit_resource { |
| void *allocation; |
| kunit_resource_free_t free; |
| |
| /* private: internal use only. */ |
| struct list_head node; |
| }; |
| |
| struct kunit; |
| |
| /** |
| * struct kunit_case - represents an individual test case. |
| * |
| * @run_case: the function representing the actual test case. |
| * @name: the name of the test case. |
| * |
| * A test case is a function with the signature, |
| * ``void (*)(struct kunit *)`` that makes expectations (see |
| * KUNIT_EXPECT_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; |
| |
| /* private: internal use only. */ |
| bool success; |
| }; |
| |
| /** |
| * 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 } |
| |
| /** |
| * 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; |
| }; |
| |
| /** |
| * 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! */ |
| struct kunit_try_catch try_catch; |
| /* |
| * 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. */ |
| }; |
| |
| void kunit_init_test(struct kunit *test, const char *name); |
| |
| int kunit_run_tests(struct kunit_suite *suite); |
| |
| /** |
| * kunit_test_suite() - used to register a &struct kunit_suite with KUnit. |
| * |
| * @suite: a statically allocated &struct kunit_suite. |
| * |
| * Registers @suite with the test framework. See &struct kunit_suite for |
| * more information. |
| * |
| * NOTE: Currently KUnit tests are all run as late_initcalls; this means |
| * that they cannot test anything where tests must run at a different init |
| * phase. One significant restriction resulting from this is that KUnit |
| * cannot reliably test anything that is initialize in the late_init phase; |
| * another is that KUnit is useless to test things that need to be run in |
| * an earlier init phase. |
| * |
| * TODO(brendanhiggins@google.com): Don't run all KUnit tests as |
| * late_initcalls. I have some future work planned to dispatch all KUnit |
| * tests from the same place, and at the very least to do so after |
| * everything else is definitely initialized. |
| */ |
| #define kunit_test_suite(suite) \ |
| static int kunit_suite_init##suite(void) \ |
| { \ |
| return kunit_run_tests(&suite); \ |
| } \ |
| late_initcall(kunit_suite_init##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_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 each 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 = kunit_alloc_and_get_resource(test, init, free, internal_gfp, |
| context); |
| |
| if (res) |
| return res->allocation; |
| |
| return NULL; |
| } |
| |
| typedef bool (*kunit_resource_match_t)(struct kunit *test, |
| const void *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 data stored in kunit_resource->allocation. |
| * @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, |
| const void *res, |
| void *match_data) |
| { |
| return res == match_data; |
| } |
| |
| /** |
| * kunit_resource_destroy() - 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. |
| * @free: Must match free on the kunit_resource to free. |
| * @match_data: Data passed into @match. |
| * |
| * Free the latest kunit_resource of @test for which @free matches the |
| * kunit_resource_free_t associated with the resource and for which @match |
| * returns true. |
| * |
| * RETURNS: |
| * 0 if kunit_resource is found and freed, -ENOENT if not found. |
| */ |
| int kunit_resource_destroy(struct kunit *test, |
| kunit_resource_match_t match, |
| kunit_resource_free_t free, |
| void *match_data); |
| |
| /** |
| * 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 __printf(3, 4) kunit_printk(const char *level, |
| const struct kunit *test, |
| const char *fmt, ...); |
| |
| /** |
| * 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_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__) |
| |
| #endif /* _KUNIT_TEST_H */ |