blob: 3d554d7c1c79440e86a2e0d720908e9b55d50744 [file] [log] [blame]
/* 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, &params);
* 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 */