xref: /openbmc/linux/include/kunit/test.h (revision 7d94ab16)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Base unit test (KUnit) API.
4  *
5  * Copyright (C) 2019, Google LLC.
6  * Author: Brendan Higgins <brendanhiggins@google.com>
7  */
8 
9 #ifndef _KUNIT_TEST_H
10 #define _KUNIT_TEST_H
11 
12 #include <kunit/assert.h>
13 #include <kunit/try-catch.h>
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/slab.h>
17 #include <linux/types.h>
18 
19 struct kunit_resource;
20 
21 typedef int (*kunit_resource_init_t)(struct kunit_resource *, void *);
22 typedef void (*kunit_resource_free_t)(struct kunit_resource *);
23 
24 /**
25  * struct kunit_resource - represents a *test managed resource*
26  * @allocation: for the user to store arbitrary data.
27  * @free: a user supplied function to free the resource. Populated by
28  * kunit_alloc_resource().
29  *
30  * Represents a *test managed resource*, a resource which will automatically be
31  * cleaned up at the end of a test case.
32  *
33  * Example:
34  *
35  * .. code-block:: c
36  *
37  *	struct kunit_kmalloc_params {
38  *		size_t size;
39  *		gfp_t gfp;
40  *	};
41  *
42  *	static int kunit_kmalloc_init(struct kunit_resource *res, void *context)
43  *	{
44  *		struct kunit_kmalloc_params *params = context;
45  *		res->allocation = kmalloc(params->size, params->gfp);
46  *
47  *		if (!res->allocation)
48  *			return -ENOMEM;
49  *
50  *		return 0;
51  *	}
52  *
53  *	static void kunit_kmalloc_free(struct kunit_resource *res)
54  *	{
55  *		kfree(res->allocation);
56  *	}
57  *
58  *	void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp)
59  *	{
60  *		struct kunit_kmalloc_params params;
61  *		struct kunit_resource *res;
62  *
63  *		params.size = size;
64  *		params.gfp = gfp;
65  *
66  *		res = kunit_alloc_resource(test, kunit_kmalloc_init,
67  *			kunit_kmalloc_free, &params);
68  *		if (res)
69  *			return res->allocation;
70  *
71  *		return NULL;
72  *	}
73  */
74 struct kunit_resource {
75 	void *allocation;
76 	kunit_resource_free_t free;
77 
78 	/* private: internal use only. */
79 	struct list_head node;
80 };
81 
82 struct kunit;
83 
84 /**
85  * struct kunit_case - represents an individual test case.
86  *
87  * @run_case: the function representing the actual test case.
88  * @name:     the name of the test case.
89  *
90  * A test case is a function with the signature,
91  * ``void (*)(struct kunit *)``
92  * that makes expectations and assertions (see KUNIT_EXPECT_TRUE() and
93  * KUNIT_ASSERT_TRUE()) about code under test. Each test case is associated
94  * with a &struct kunit_suite and will be run after the suite's init
95  * function and followed by the suite's exit function.
96  *
97  * A test case should be static and should only be created with the
98  * KUNIT_CASE() macro; additionally, every array of test cases should be
99  * terminated with an empty test case.
100  *
101  * Example:
102  *
103  * .. code-block:: c
104  *
105  *	void add_test_basic(struct kunit *test)
106  *	{
107  *		KUNIT_EXPECT_EQ(test, 1, add(1, 0));
108  *		KUNIT_EXPECT_EQ(test, 2, add(1, 1));
109  *		KUNIT_EXPECT_EQ(test, 0, add(-1, 1));
110  *		KUNIT_EXPECT_EQ(test, INT_MAX, add(0, INT_MAX));
111  *		KUNIT_EXPECT_EQ(test, -1, add(INT_MAX, INT_MIN));
112  *	}
113  *
114  *	static struct kunit_case example_test_cases[] = {
115  *		KUNIT_CASE(add_test_basic),
116  *		{}
117  *	};
118  *
119  */
120 struct kunit_case {
121 	void (*run_case)(struct kunit *test);
122 	const char *name;
123 
124 	/* private: internal use only. */
125 	bool success;
126 };
127 
128 /**
129  * KUNIT_CASE - A helper for creating a &struct kunit_case
130  *
131  * @test_name: a reference to a test case function.
132  *
133  * Takes a symbol for a function representing a test case and creates a
134  * &struct kunit_case object from it. See the documentation for
135  * &struct kunit_case for an example on how to use it.
136  */
137 #define KUNIT_CASE(test_name) { .run_case = test_name, .name = #test_name }
138 
139 /**
140  * struct kunit_suite - describes a related collection of &struct kunit_case
141  *
142  * @name:	the name of the test. Purely informational.
143  * @init:	called before every test case.
144  * @exit:	called after every test case.
145  * @test_cases:	a null terminated array of test cases.
146  *
147  * A kunit_suite is a collection of related &struct kunit_case s, such that
148  * @init is called before every test case and @exit is called after every
149  * test case, similar to the notion of a *test fixture* or a *test class*
150  * in other unit testing frameworks like JUnit or Googletest.
151  *
152  * Every &struct kunit_case must be associated with a kunit_suite for KUnit
153  * to run it.
154  */
155 struct kunit_suite {
156 	const char name[256];
157 	int (*init)(struct kunit *test);
158 	void (*exit)(struct kunit *test);
159 	struct kunit_case *test_cases;
160 };
161 
162 /**
163  * struct kunit - represents a running instance of a test.
164  *
165  * @priv: for user to store arbitrary data. Commonly used to pass data
166  *	  created in the init function (see &struct kunit_suite).
167  *
168  * Used to store information about the current context under which the test
169  * is running. Most of this data is private and should only be accessed
170  * indirectly via public functions; the one exception is @priv which can be
171  * used by the test writer to store arbitrary data.
172  */
173 struct kunit {
174 	void *priv;
175 
176 	/* private: internal use only. */
177 	const char *name; /* Read only after initialization! */
178 	struct kunit_try_catch try_catch;
179 	/*
180 	 * success starts as true, and may only be set to false during a
181 	 * test case; thus, it is safe to update this across multiple
182 	 * threads using WRITE_ONCE; however, as a consequence, it may only
183 	 * be read after the test case finishes once all threads associated
184 	 * with the test case have terminated.
185 	 */
186 	bool success; /* Read only after test_case finishes! */
187 	spinlock_t lock; /* Guards all mutable test state. */
188 	/*
189 	 * Because resources is a list that may be updated multiple times (with
190 	 * new resources) from any thread associated with a test case, we must
191 	 * protect it with some type of lock.
192 	 */
193 	struct list_head resources; /* Protected by lock. */
194 };
195 
196 void kunit_init_test(struct kunit *test, const char *name);
197 
198 int kunit_run_tests(struct kunit_suite *suite);
199 
200 /**
201  * kunit_test_suites() - used to register one or more &struct kunit_suite
202  *			 with KUnit.
203  *
204  * @suites: a statically allocated list of &struct kunit_suite.
205  *
206  * Registers @suites with the test framework. See &struct kunit_suite for
207  * more information.
208  *
209  * When builtin,  KUnit tests are all run as late_initcalls; this means
210  * that they cannot test anything where tests must run at a different init
211  * phase. One significant restriction resulting from this is that KUnit
212  * cannot reliably test anything that is initialize in the late_init phase;
213  * another is that KUnit is useless to test things that need to be run in
214  * an earlier init phase.
215  *
216  * An alternative is to build the tests as a module.  Because modules
217  * do not support multiple late_initcall()s, we need to initialize an
218  * array of suites for a module.
219  *
220  * TODO(brendanhiggins@google.com): Don't run all KUnit tests as
221  * late_initcalls.  I have some future work planned to dispatch all KUnit
222  * tests from the same place, and at the very least to do so after
223  * everything else is definitely initialized.
224  */
225 #define kunit_test_suites(...)						\
226 	static struct kunit_suite *suites[] = { __VA_ARGS__, NULL};	\
227 	static int kunit_test_suites_init(void)				\
228 	{								\
229 		unsigned int i;						\
230 		for (i = 0; suites[i] != NULL; i++)			\
231 			kunit_run_tests(suites[i]);			\
232 		return 0;						\
233 	}								\
234 	late_initcall(kunit_test_suites_init);				\
235 	static void __exit kunit_test_suites_exit(void)			\
236 	{								\
237 		return;							\
238 	}								\
239 	module_exit(kunit_test_suites_exit)
240 
241 #define kunit_test_suite(suite)	kunit_test_suites(&suite)
242 
243 /*
244  * Like kunit_alloc_resource() below, but returns the struct kunit_resource
245  * object that contains the allocation. This is mostly for testing purposes.
246  */
247 struct kunit_resource *kunit_alloc_and_get_resource(struct kunit *test,
248 						    kunit_resource_init_t init,
249 						    kunit_resource_free_t free,
250 						    gfp_t internal_gfp,
251 						    void *context);
252 
253 /**
254  * kunit_alloc_resource() - Allocates a *test managed resource*.
255  * @test: The test context object.
256  * @init: a user supplied function to initialize the resource.
257  * @free: a user supplied function to free the resource.
258  * @internal_gfp: gfp to use for internal allocations, if unsure, use GFP_KERNEL
259  * @context: for the user to pass in arbitrary data to the init function.
260  *
261  * Allocates a *test managed resource*, a resource which will automatically be
262  * cleaned up at the end of a test case. See &struct kunit_resource for an
263  * example.
264  *
265  * NOTE: KUnit needs to allocate memory for each kunit_resource object. You must
266  * specify an @internal_gfp that is compatible with the use context of your
267  * resource.
268  */
269 static inline void *kunit_alloc_resource(struct kunit *test,
270 					 kunit_resource_init_t init,
271 					 kunit_resource_free_t free,
272 					 gfp_t internal_gfp,
273 					 void *context)
274 {
275 	struct kunit_resource *res;
276 
277 	res = kunit_alloc_and_get_resource(test, init, free, internal_gfp,
278 					   context);
279 
280 	if (res)
281 		return res->allocation;
282 
283 	return NULL;
284 }
285 
286 typedef bool (*kunit_resource_match_t)(struct kunit *test,
287 				       const void *res,
288 				       void *match_data);
289 
290 /**
291  * kunit_resource_instance_match() - Match a resource with the same instance.
292  * @test: Test case to which the resource belongs.
293  * @res: The data stored in kunit_resource->allocation.
294  * @match_data: The resource pointer to match against.
295  *
296  * An instance of kunit_resource_match_t that matches a resource whose
297  * allocation matches @match_data.
298  */
299 static inline bool kunit_resource_instance_match(struct kunit *test,
300 						 const void *res,
301 						 void *match_data)
302 {
303 	return res == match_data;
304 }
305 
306 /**
307  * kunit_resource_destroy() - Find a kunit_resource and destroy it.
308  * @test: Test case to which the resource belongs.
309  * @match: Match function. Returns whether a given resource matches @match_data.
310  * @free: Must match free on the kunit_resource to free.
311  * @match_data: Data passed into @match.
312  *
313  * Free the latest kunit_resource of @test for which @free matches the
314  * kunit_resource_free_t associated with the resource and for which @match
315  * returns true.
316  *
317  * RETURNS:
318  * 0 if kunit_resource is found and freed, -ENOENT if not found.
319  */
320 int kunit_resource_destroy(struct kunit *test,
321 			   kunit_resource_match_t match,
322 			   kunit_resource_free_t free,
323 			   void *match_data);
324 
325 /**
326  * kunit_kmalloc() - Like kmalloc() except the allocation is *test managed*.
327  * @test: The test context object.
328  * @size: The size in bytes of the desired memory.
329  * @gfp: flags passed to underlying kmalloc().
330  *
331  * Just like `kmalloc(...)`, except the allocation is managed by the test case
332  * and is automatically cleaned up after the test case concludes. See &struct
333  * kunit_resource for more information.
334  */
335 void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp);
336 
337 /**
338  * kunit_kfree() - Like kfree except for allocations managed by KUnit.
339  * @test: The test case to which the resource belongs.
340  * @ptr: The memory allocation to free.
341  */
342 void kunit_kfree(struct kunit *test, const void *ptr);
343 
344 /**
345  * kunit_kzalloc() - Just like kunit_kmalloc(), but zeroes the allocation.
346  * @test: The test context object.
347  * @size: The size in bytes of the desired memory.
348  * @gfp: flags passed to underlying kmalloc().
349  *
350  * See kzalloc() and kunit_kmalloc() for more information.
351  */
352 static inline void *kunit_kzalloc(struct kunit *test, size_t size, gfp_t gfp)
353 {
354 	return kunit_kmalloc(test, size, gfp | __GFP_ZERO);
355 }
356 
357 void kunit_cleanup(struct kunit *test);
358 
359 #define kunit_printk(lvl, test, fmt, ...) \
360 	printk(lvl "\t# %s: " fmt, (test)->name, ##__VA_ARGS__)
361 
362 /**
363  * kunit_info() - Prints an INFO level message associated with @test.
364  *
365  * @test: The test context object.
366  * @fmt:  A printk() style format string.
367  *
368  * Prints an info level message associated with the test suite being run.
369  * Takes a variable number of format parameters just like printk().
370  */
371 #define kunit_info(test, fmt, ...) \
372 	kunit_printk(KERN_INFO, test, fmt, ##__VA_ARGS__)
373 
374 /**
375  * kunit_warn() - Prints a WARN level message associated with @test.
376  *
377  * @test: The test context object.
378  * @fmt:  A printk() style format string.
379  *
380  * Prints a warning level message.
381  */
382 #define kunit_warn(test, fmt, ...) \
383 	kunit_printk(KERN_WARNING, test, fmt, ##__VA_ARGS__)
384 
385 /**
386  * kunit_err() - Prints an ERROR level message associated with @test.
387  *
388  * @test: The test context object.
389  * @fmt:  A printk() style format string.
390  *
391  * Prints an error level message.
392  */
393 #define kunit_err(test, fmt, ...) \
394 	kunit_printk(KERN_ERR, test, fmt, ##__VA_ARGS__)
395 
396 /**
397  * KUNIT_SUCCEED() - A no-op expectation. Only exists for code clarity.
398  * @test: The test context object.
399  *
400  * The opposite of KUNIT_FAIL(), it is an expectation that cannot fail. In other
401  * words, it does nothing and only exists for code clarity. See
402  * KUNIT_EXPECT_TRUE() for more information.
403  */
404 #define KUNIT_SUCCEED(test) do {} while (0)
405 
406 void kunit_do_assertion(struct kunit *test,
407 			struct kunit_assert *assert,
408 			bool pass,
409 			const char *fmt, ...);
410 
411 #define KUNIT_ASSERTION(test, pass, assert_class, INITIALIZER, fmt, ...) do {  \
412 	struct assert_class __assertion = INITIALIZER;			       \
413 	kunit_do_assertion(test,					       \
414 			   &__assertion.assert,				       \
415 			   pass,					       \
416 			   fmt,						       \
417 			   ##__VA_ARGS__);				       \
418 } while (0)
419 
420 
421 #define KUNIT_FAIL_ASSERTION(test, assert_type, fmt, ...)		       \
422 	KUNIT_ASSERTION(test,						       \
423 			false,						       \
424 			kunit_fail_assert,				       \
425 			KUNIT_INIT_FAIL_ASSERT_STRUCT(test, assert_type),      \
426 			fmt,						       \
427 			##__VA_ARGS__)
428 
429 /**
430  * KUNIT_FAIL() - Always causes a test to fail when evaluated.
431  * @test: The test context object.
432  * @fmt: an informational message to be printed when the assertion is made.
433  * @...: string format arguments.
434  *
435  * The opposite of KUNIT_SUCCEED(), it is an expectation that always fails. In
436  * other words, it always results in a failed expectation, and consequently
437  * always causes the test case to fail when evaluated. See KUNIT_EXPECT_TRUE()
438  * for more information.
439  */
440 #define KUNIT_FAIL(test, fmt, ...)					       \
441 	KUNIT_FAIL_ASSERTION(test,					       \
442 			     KUNIT_EXPECTATION,				       \
443 			     fmt,					       \
444 			     ##__VA_ARGS__)
445 
446 #define KUNIT_UNARY_ASSERTION(test,					       \
447 			      assert_type,				       \
448 			      condition,				       \
449 			      expected_true,				       \
450 			      fmt,					       \
451 			      ...)					       \
452 	KUNIT_ASSERTION(test,						       \
453 			!!(condition) == !!expected_true,		       \
454 			kunit_unary_assert,				       \
455 			KUNIT_INIT_UNARY_ASSERT_STRUCT(test,		       \
456 						       assert_type,	       \
457 						       #condition,	       \
458 						       expected_true),	       \
459 			fmt,						       \
460 			##__VA_ARGS__)
461 
462 #define KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, fmt, ...)       \
463 	KUNIT_UNARY_ASSERTION(test,					       \
464 			      assert_type,				       \
465 			      condition,				       \
466 			      true,					       \
467 			      fmt,					       \
468 			      ##__VA_ARGS__)
469 
470 #define KUNIT_TRUE_ASSERTION(test, assert_type, condition) \
471 	KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, NULL)
472 
473 #define KUNIT_FALSE_MSG_ASSERTION(test, assert_type, condition, fmt, ...)      \
474 	KUNIT_UNARY_ASSERTION(test,					       \
475 			      assert_type,				       \
476 			      condition,				       \
477 			      false,					       \
478 			      fmt,					       \
479 			      ##__VA_ARGS__)
480 
481 #define KUNIT_FALSE_ASSERTION(test, assert_type, condition) \
482 	KUNIT_FALSE_MSG_ASSERTION(test, assert_type, condition, NULL)
483 
484 /*
485  * A factory macro for defining the assertions and expectations for the basic
486  * comparisons defined for the built in types.
487  *
488  * Unfortunately, there is no common type that all types can be promoted to for
489  * which all the binary operators behave the same way as for the actual types
490  * (for example, there is no type that long long and unsigned long long can
491  * both be cast to where the comparison result is preserved for all values). So
492  * the best we can do is do the comparison in the original types and then coerce
493  * everything to long long for printing; this way, the comparison behaves
494  * correctly and the printed out value usually makes sense without
495  * interpretation, but can always be interpreted to figure out the actual
496  * value.
497  */
498 #define KUNIT_BASE_BINARY_ASSERTION(test,				       \
499 				    assert_class,			       \
500 				    ASSERT_CLASS_INIT,			       \
501 				    assert_type,			       \
502 				    left,				       \
503 				    op,					       \
504 				    right,				       \
505 				    fmt,				       \
506 				    ...)				       \
507 do {									       \
508 	typeof(left) __left = (left);					       \
509 	typeof(right) __right = (right);				       \
510 	((void)__typecheck(__left, __right));				       \
511 									       \
512 	KUNIT_ASSERTION(test,						       \
513 			__left op __right,				       \
514 			assert_class,					       \
515 			ASSERT_CLASS_INIT(test,				       \
516 					  assert_type,			       \
517 					  #op,				       \
518 					  #left,			       \
519 					  __left,			       \
520 					  #right,			       \
521 					  __right),			       \
522 			fmt,						       \
523 			##__VA_ARGS__);					       \
524 } while (0)
525 
526 #define KUNIT_BASE_EQ_MSG_ASSERTION(test,				       \
527 				    assert_class,			       \
528 				    ASSERT_CLASS_INIT,			       \
529 				    assert_type,			       \
530 				    left,				       \
531 				    right,				       \
532 				    fmt,				       \
533 				    ...)				       \
534 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
535 				    assert_class,			       \
536 				    ASSERT_CLASS_INIT,			       \
537 				    assert_type,			       \
538 				    left, ==, right,			       \
539 				    fmt,				       \
540 				    ##__VA_ARGS__)
541 
542 #define KUNIT_BASE_NE_MSG_ASSERTION(test,				       \
543 				    assert_class,			       \
544 				    ASSERT_CLASS_INIT,			       \
545 				    assert_type,			       \
546 				    left,				       \
547 				    right,				       \
548 				    fmt,				       \
549 				    ...)				       \
550 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
551 				    assert_class,			       \
552 				    ASSERT_CLASS_INIT,			       \
553 				    assert_type,			       \
554 				    left, !=, right,			       \
555 				    fmt,				       \
556 				    ##__VA_ARGS__)
557 
558 #define KUNIT_BASE_LT_MSG_ASSERTION(test,				       \
559 				    assert_class,			       \
560 				    ASSERT_CLASS_INIT,			       \
561 				    assert_type,			       \
562 				    left,				       \
563 				    right,				       \
564 				    fmt,				       \
565 				    ...)				       \
566 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
567 				    assert_class,			       \
568 				    ASSERT_CLASS_INIT,			       \
569 				    assert_type,			       \
570 				    left, <, right,			       \
571 				    fmt,				       \
572 				    ##__VA_ARGS__)
573 
574 #define KUNIT_BASE_LE_MSG_ASSERTION(test,				       \
575 				    assert_class,			       \
576 				    ASSERT_CLASS_INIT,			       \
577 				    assert_type,			       \
578 				    left,				       \
579 				    right,				       \
580 				    fmt,				       \
581 				    ...)				       \
582 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
583 				    assert_class,			       \
584 				    ASSERT_CLASS_INIT,			       \
585 				    assert_type,			       \
586 				    left, <=, right,			       \
587 				    fmt,				       \
588 				    ##__VA_ARGS__)
589 
590 #define KUNIT_BASE_GT_MSG_ASSERTION(test,				       \
591 				    assert_class,			       \
592 				    ASSERT_CLASS_INIT,			       \
593 				    assert_type,			       \
594 				    left,				       \
595 				    right,				       \
596 				    fmt,				       \
597 				    ...)				       \
598 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
599 				    assert_class,			       \
600 				    ASSERT_CLASS_INIT,			       \
601 				    assert_type,			       \
602 				    left, >, right,			       \
603 				    fmt,				       \
604 				    ##__VA_ARGS__)
605 
606 #define KUNIT_BASE_GE_MSG_ASSERTION(test,				       \
607 				    assert_class,			       \
608 				    ASSERT_CLASS_INIT,			       \
609 				    assert_type,			       \
610 				    left,				       \
611 				    right,				       \
612 				    fmt,				       \
613 				    ...)				       \
614 	KUNIT_BASE_BINARY_ASSERTION(test,				       \
615 				    assert_class,			       \
616 				    ASSERT_CLASS_INIT,			       \
617 				    assert_type,			       \
618 				    left, >=, right,			       \
619 				    fmt,				       \
620 				    ##__VA_ARGS__)
621 
622 #define KUNIT_BINARY_EQ_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
623 	KUNIT_BASE_EQ_MSG_ASSERTION(test,				       \
624 				    kunit_binary_assert,		       \
625 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
626 				    assert_type,			       \
627 				    left,				       \
628 				    right,				       \
629 				    fmt,				       \
630 				    ##__VA_ARGS__)
631 
632 #define KUNIT_BINARY_EQ_ASSERTION(test, assert_type, left, right)	       \
633 	KUNIT_BINARY_EQ_MSG_ASSERTION(test,				       \
634 				      assert_type,			       \
635 				      left,				       \
636 				      right,				       \
637 				      NULL)
638 
639 #define KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test,				       \
640 					  assert_type,			       \
641 					  left,				       \
642 					  right,			       \
643 					  fmt,				       \
644 					  ...)				       \
645 	KUNIT_BASE_EQ_MSG_ASSERTION(test,				       \
646 				    kunit_binary_ptr_assert,		       \
647 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
648 				    assert_type,			       \
649 				    left,				       \
650 				    right,				       \
651 				    fmt,				       \
652 				    ##__VA_ARGS__)
653 
654 #define KUNIT_BINARY_PTR_EQ_ASSERTION(test, assert_type, left, right)	       \
655 	KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test,				       \
656 					  assert_type,			       \
657 					  left,				       \
658 					  right,			       \
659 					  NULL)
660 
661 #define KUNIT_BINARY_NE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
662 	KUNIT_BASE_NE_MSG_ASSERTION(test,				       \
663 				    kunit_binary_assert,		       \
664 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
665 				    assert_type,			       \
666 				    left,				       \
667 				    right,				       \
668 				    fmt,				       \
669 				    ##__VA_ARGS__)
670 
671 #define KUNIT_BINARY_NE_ASSERTION(test, assert_type, left, right)	       \
672 	KUNIT_BINARY_NE_MSG_ASSERTION(test,				       \
673 				      assert_type,			       \
674 				      left,				       \
675 				      right,				       \
676 				      NULL)
677 
678 #define KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test,				       \
679 					  assert_type,			       \
680 					  left,				       \
681 					  right,			       \
682 					  fmt,				       \
683 					  ...)				       \
684 	KUNIT_BASE_NE_MSG_ASSERTION(test,				       \
685 				    kunit_binary_ptr_assert,		       \
686 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
687 				    assert_type,			       \
688 				    left,				       \
689 				    right,				       \
690 				    fmt,				       \
691 				    ##__VA_ARGS__)
692 
693 #define KUNIT_BINARY_PTR_NE_ASSERTION(test, assert_type, left, right)	       \
694 	KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test,				       \
695 					  assert_type,			       \
696 					  left,				       \
697 					  right,			       \
698 					  NULL)
699 
700 #define KUNIT_BINARY_LT_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
701 	KUNIT_BASE_LT_MSG_ASSERTION(test,				       \
702 				    kunit_binary_assert,		       \
703 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
704 				    assert_type,			       \
705 				    left,				       \
706 				    right,				       \
707 				    fmt,				       \
708 				    ##__VA_ARGS__)
709 
710 #define KUNIT_BINARY_LT_ASSERTION(test, assert_type, left, right)	       \
711 	KUNIT_BINARY_LT_MSG_ASSERTION(test,				       \
712 				      assert_type,			       \
713 				      left,				       \
714 				      right,				       \
715 				      NULL)
716 
717 #define KUNIT_BINARY_PTR_LT_MSG_ASSERTION(test,				       \
718 					  assert_type,			       \
719 					  left,				       \
720 					  right,			       \
721 					  fmt,				       \
722 					  ...)				       \
723 	KUNIT_BASE_LT_MSG_ASSERTION(test,				       \
724 				    kunit_binary_ptr_assert,		       \
725 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
726 				    assert_type,			       \
727 				    left,				       \
728 				    right,				       \
729 				    fmt,				       \
730 				    ##__VA_ARGS__)
731 
732 #define KUNIT_BINARY_PTR_LT_ASSERTION(test, assert_type, left, right)	       \
733 	KUNIT_BINARY_PTR_LT_MSG_ASSERTION(test,				       \
734 					  assert_type,			       \
735 					  left,				       \
736 					  right,			       \
737 					  NULL)
738 
739 #define KUNIT_BINARY_LE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
740 	KUNIT_BASE_LE_MSG_ASSERTION(test,				       \
741 				    kunit_binary_assert,		       \
742 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
743 				    assert_type,			       \
744 				    left,				       \
745 				    right,				       \
746 				    fmt,				       \
747 				    ##__VA_ARGS__)
748 
749 #define KUNIT_BINARY_LE_ASSERTION(test, assert_type, left, right)	       \
750 	KUNIT_BINARY_LE_MSG_ASSERTION(test,				       \
751 				      assert_type,			       \
752 				      left,				       \
753 				      right,				       \
754 				      NULL)
755 
756 #define KUNIT_BINARY_PTR_LE_MSG_ASSERTION(test,				       \
757 					  assert_type,			       \
758 					  left,				       \
759 					  right,			       \
760 					  fmt,				       \
761 					  ...)				       \
762 	KUNIT_BASE_LE_MSG_ASSERTION(test,				       \
763 				    kunit_binary_ptr_assert,		       \
764 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
765 				    assert_type,			       \
766 				    left,				       \
767 				    right,				       \
768 				    fmt,				       \
769 				    ##__VA_ARGS__)
770 
771 #define KUNIT_BINARY_PTR_LE_ASSERTION(test, assert_type, left, right)	       \
772 	KUNIT_BINARY_PTR_LE_MSG_ASSERTION(test,				       \
773 					  assert_type,			       \
774 					  left,				       \
775 					  right,			       \
776 					  NULL)
777 
778 #define KUNIT_BINARY_GT_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
779 	KUNIT_BASE_GT_MSG_ASSERTION(test,				       \
780 				    kunit_binary_assert,		       \
781 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
782 				    assert_type,			       \
783 				    left,				       \
784 				    right,				       \
785 				    fmt,				       \
786 				    ##__VA_ARGS__)
787 
788 #define KUNIT_BINARY_GT_ASSERTION(test, assert_type, left, right)	       \
789 	KUNIT_BINARY_GT_MSG_ASSERTION(test,				       \
790 				      assert_type,			       \
791 				      left,				       \
792 				      right,				       \
793 				      NULL)
794 
795 #define KUNIT_BINARY_PTR_GT_MSG_ASSERTION(test,				       \
796 					  assert_type,			       \
797 					  left,				       \
798 					  right,			       \
799 					  fmt,				       \
800 					  ...)				       \
801 	KUNIT_BASE_GT_MSG_ASSERTION(test,				       \
802 				    kunit_binary_ptr_assert,		       \
803 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
804 				    assert_type,			       \
805 				    left,				       \
806 				    right,				       \
807 				    fmt,				       \
808 				    ##__VA_ARGS__)
809 
810 #define KUNIT_BINARY_PTR_GT_ASSERTION(test, assert_type, left, right)	       \
811 	KUNIT_BINARY_PTR_GT_MSG_ASSERTION(test,				       \
812 					  assert_type,			       \
813 					  left,				       \
814 					  right,			       \
815 					  NULL)
816 
817 #define KUNIT_BINARY_GE_MSG_ASSERTION(test, assert_type, left, right, fmt, ...)\
818 	KUNIT_BASE_GE_MSG_ASSERTION(test,				       \
819 				    kunit_binary_assert,		       \
820 				    KUNIT_INIT_BINARY_ASSERT_STRUCT,	       \
821 				    assert_type,			       \
822 				    left,				       \
823 				    right,				       \
824 				    fmt,				       \
825 				    ##__VA_ARGS__)
826 
827 #define KUNIT_BINARY_GE_ASSERTION(test, assert_type, left, right)	       \
828 	KUNIT_BINARY_GE_MSG_ASSERTION(test,				       \
829 				      assert_type,			       \
830 				      left,				       \
831 				      right,				       \
832 				      NULL)
833 
834 #define KUNIT_BINARY_PTR_GE_MSG_ASSERTION(test,				       \
835 					  assert_type,			       \
836 					  left,				       \
837 					  right,			       \
838 					  fmt,				       \
839 					  ...)				       \
840 	KUNIT_BASE_GE_MSG_ASSERTION(test,				       \
841 				    kunit_binary_ptr_assert,		       \
842 				    KUNIT_INIT_BINARY_PTR_ASSERT_STRUCT,       \
843 				    assert_type,			       \
844 				    left,				       \
845 				    right,				       \
846 				    fmt,				       \
847 				    ##__VA_ARGS__)
848 
849 #define KUNIT_BINARY_PTR_GE_ASSERTION(test, assert_type, left, right)	       \
850 	KUNIT_BINARY_PTR_GE_MSG_ASSERTION(test,				       \
851 					  assert_type,			       \
852 					  left,				       \
853 					  right,			       \
854 					  NULL)
855 
856 #define KUNIT_BINARY_STR_ASSERTION(test,				       \
857 				   assert_type,				       \
858 				   left,				       \
859 				   op,					       \
860 				   right,				       \
861 				   fmt,					       \
862 				   ...)					       \
863 do {									       \
864 	typeof(left) __left = (left);					       \
865 	typeof(right) __right = (right);				       \
866 									       \
867 	KUNIT_ASSERTION(test,						       \
868 			strcmp(__left, __right) op 0,			       \
869 			kunit_binary_str_assert,			       \
870 			KUNIT_INIT_BINARY_ASSERT_STRUCT(test,		       \
871 							assert_type,	       \
872 							#op,		       \
873 							#left,		       \
874 							__left,		       \
875 							#right,		       \
876 							__right),	       \
877 			fmt,						       \
878 			##__VA_ARGS__);					       \
879 } while (0)
880 
881 #define KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test,				       \
882 					  assert_type,			       \
883 					  left,				       \
884 					  right,			       \
885 					  fmt,				       \
886 					  ...)				       \
887 	KUNIT_BINARY_STR_ASSERTION(test,				       \
888 				   assert_type,				       \
889 				   left, ==, right,			       \
890 				   fmt,					       \
891 				   ##__VA_ARGS__)
892 
893 #define KUNIT_BINARY_STR_EQ_ASSERTION(test, assert_type, left, right)	       \
894 	KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test,				       \
895 					  assert_type,			       \
896 					  left,				       \
897 					  right,			       \
898 					  NULL)
899 
900 #define KUNIT_BINARY_STR_NE_MSG_ASSERTION(test,				       \
901 					  assert_type,			       \
902 					  left,				       \
903 					  right,			       \
904 					  fmt,				       \
905 					  ...)				       \
906 	KUNIT_BINARY_STR_ASSERTION(test,				       \
907 				   assert_type,				       \
908 				   left, !=, right,			       \
909 				   fmt,					       \
910 				   ##__VA_ARGS__)
911 
912 #define KUNIT_BINARY_STR_NE_ASSERTION(test, assert_type, left, right)	       \
913 	KUNIT_BINARY_STR_NE_MSG_ASSERTION(test,				       \
914 					  assert_type,			       \
915 					  left,				       \
916 					  right,			       \
917 					  NULL)
918 
919 #define KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test,			       \
920 						assert_type,		       \
921 						ptr,			       \
922 						fmt,			       \
923 						...)			       \
924 do {									       \
925 	typeof(ptr) __ptr = (ptr);					       \
926 									       \
927 	KUNIT_ASSERTION(test,						       \
928 			!IS_ERR_OR_NULL(__ptr),				       \
929 			kunit_ptr_not_err_assert,			       \
930 			KUNIT_INIT_PTR_NOT_ERR_STRUCT(test,		       \
931 						      assert_type,	       \
932 						      #ptr,		       \
933 						      __ptr),		       \
934 			fmt,						       \
935 			##__VA_ARGS__);					       \
936 } while (0)
937 
938 #define KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, assert_type, ptr)	       \
939 	KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test,			       \
940 						assert_type,		       \
941 						ptr,			       \
942 						NULL)
943 
944 /**
945  * KUNIT_EXPECT_TRUE() - Causes a test failure when the expression is not true.
946  * @test: The test context object.
947  * @condition: an arbitrary boolean expression. The test fails when this does
948  * not evaluate to true.
949  *
950  * This and expectations of the form `KUNIT_EXPECT_*` will cause the test case
951  * to fail when the specified condition is not met; however, it will not prevent
952  * the test case from continuing to run; this is otherwise known as an
953  * *expectation failure*.
954  */
955 #define KUNIT_EXPECT_TRUE(test, condition) \
956 	KUNIT_TRUE_ASSERTION(test, KUNIT_EXPECTATION, condition)
957 
958 #define KUNIT_EXPECT_TRUE_MSG(test, condition, fmt, ...)		       \
959 	KUNIT_TRUE_MSG_ASSERTION(test,					       \
960 				 KUNIT_EXPECTATION,			       \
961 				 condition,				       \
962 				 fmt,					       \
963 				 ##__VA_ARGS__)
964 
965 /**
966  * KUNIT_EXPECT_FALSE() - Makes a test failure when the expression is not false.
967  * @test: The test context object.
968  * @condition: an arbitrary boolean expression. The test fails when this does
969  * not evaluate to false.
970  *
971  * Sets an expectation that @condition evaluates to false. See
972  * KUNIT_EXPECT_TRUE() for more information.
973  */
974 #define KUNIT_EXPECT_FALSE(test, condition) \
975 	KUNIT_FALSE_ASSERTION(test, KUNIT_EXPECTATION, condition)
976 
977 #define KUNIT_EXPECT_FALSE_MSG(test, condition, fmt, ...)		       \
978 	KUNIT_FALSE_MSG_ASSERTION(test,					       \
979 				  KUNIT_EXPECTATION,			       \
980 				  condition,				       \
981 				  fmt,					       \
982 				  ##__VA_ARGS__)
983 
984 /**
985  * KUNIT_EXPECT_EQ() - Sets an expectation that @left and @right are equal.
986  * @test: The test context object.
987  * @left: an arbitrary expression that evaluates to a primitive C type.
988  * @right: an arbitrary expression that evaluates to a primitive C type.
989  *
990  * Sets an expectation that the values that @left and @right evaluate to are
991  * equal. This is semantically equivalent to
992  * KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
993  * more information.
994  */
995 #define KUNIT_EXPECT_EQ(test, left, right) \
996 	KUNIT_BINARY_EQ_ASSERTION(test, KUNIT_EXPECTATION, left, right)
997 
998 #define KUNIT_EXPECT_EQ_MSG(test, left, right, fmt, ...)		       \
999 	KUNIT_BINARY_EQ_MSG_ASSERTION(test,				       \
1000 				      KUNIT_EXPECTATION,		       \
1001 				      left,				       \
1002 				      right,				       \
1003 				      fmt,				       \
1004 				      ##__VA_ARGS__)
1005 
1006 /**
1007  * KUNIT_EXPECT_PTR_EQ() - Expects that pointers @left and @right are equal.
1008  * @test: The test context object.
1009  * @left: an arbitrary expression that evaluates to a pointer.
1010  * @right: an arbitrary expression that evaluates to a pointer.
1011  *
1012  * Sets an expectation that the values that @left and @right evaluate to are
1013  * equal. This is semantically equivalent to
1014  * KUNIT_EXPECT_TRUE(@test, (@left) == (@right)). See KUNIT_EXPECT_TRUE() for
1015  * more information.
1016  */
1017 #define KUNIT_EXPECT_PTR_EQ(test, left, right)				       \
1018 	KUNIT_BINARY_PTR_EQ_ASSERTION(test,				       \
1019 				      KUNIT_EXPECTATION,		       \
1020 				      left,				       \
1021 				      right)
1022 
1023 #define KUNIT_EXPECT_PTR_EQ_MSG(test, left, right, fmt, ...)		       \
1024 	KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test,				       \
1025 					  KUNIT_EXPECTATION,		       \
1026 					  left,				       \
1027 					  right,			       \
1028 					  fmt,				       \
1029 					  ##__VA_ARGS__)
1030 
1031 /**
1032  * KUNIT_EXPECT_NE() - An expectation that @left and @right are not equal.
1033  * @test: The test context object.
1034  * @left: an arbitrary expression that evaluates to a primitive C type.
1035  * @right: an arbitrary expression that evaluates to a primitive C type.
1036  *
1037  * Sets an expectation that the values that @left and @right evaluate to are not
1038  * equal. This is semantically equivalent to
1039  * KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
1040  * more information.
1041  */
1042 #define KUNIT_EXPECT_NE(test, left, right) \
1043 	KUNIT_BINARY_NE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1044 
1045 #define KUNIT_EXPECT_NE_MSG(test, left, right, fmt, ...)		       \
1046 	KUNIT_BINARY_NE_MSG_ASSERTION(test,				       \
1047 				      KUNIT_EXPECTATION,		       \
1048 				      left,				       \
1049 				      right,				       \
1050 				      fmt,				       \
1051 				      ##__VA_ARGS__)
1052 
1053 /**
1054  * KUNIT_EXPECT_PTR_NE() - Expects that pointers @left and @right are not equal.
1055  * @test: The test context object.
1056  * @left: an arbitrary expression that evaluates to a pointer.
1057  * @right: an arbitrary expression that evaluates to a pointer.
1058  *
1059  * Sets an expectation that the values that @left and @right evaluate to are not
1060  * equal. This is semantically equivalent to
1061  * KUNIT_EXPECT_TRUE(@test, (@left) != (@right)). See KUNIT_EXPECT_TRUE() for
1062  * more information.
1063  */
1064 #define KUNIT_EXPECT_PTR_NE(test, left, right)				       \
1065 	KUNIT_BINARY_PTR_NE_ASSERTION(test,				       \
1066 				      KUNIT_EXPECTATION,		       \
1067 				      left,				       \
1068 				      right)
1069 
1070 #define KUNIT_EXPECT_PTR_NE_MSG(test, left, right, fmt, ...)		       \
1071 	KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test,				       \
1072 					  KUNIT_EXPECTATION,		       \
1073 					  left,				       \
1074 					  right,			       \
1075 					  fmt,				       \
1076 					  ##__VA_ARGS__)
1077 
1078 /**
1079  * KUNIT_EXPECT_LT() - An expectation that @left is less than @right.
1080  * @test: The test context object.
1081  * @left: an arbitrary expression that evaluates to a primitive C type.
1082  * @right: an arbitrary expression that evaluates to a primitive C type.
1083  *
1084  * Sets an expectation that the value that @left evaluates to is less than the
1085  * value that @right evaluates to. This is semantically equivalent to
1086  * KUNIT_EXPECT_TRUE(@test, (@left) < (@right)). See KUNIT_EXPECT_TRUE() for
1087  * more information.
1088  */
1089 #define KUNIT_EXPECT_LT(test, left, right) \
1090 	KUNIT_BINARY_LT_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1091 
1092 #define KUNIT_EXPECT_LT_MSG(test, left, right, fmt, ...)		       \
1093 	KUNIT_BINARY_LT_MSG_ASSERTION(test,				       \
1094 				      KUNIT_EXPECTATION,		       \
1095 				      left,				       \
1096 				      right,				       \
1097 				      fmt,				       \
1098 				      ##__VA_ARGS__)
1099 
1100 /**
1101  * KUNIT_EXPECT_LE() - Expects that @left is less than or equal to @right.
1102  * @test: The test context object.
1103  * @left: an arbitrary expression that evaluates to a primitive C type.
1104  * @right: an arbitrary expression that evaluates to a primitive C type.
1105  *
1106  * Sets an expectation that the value that @left evaluates to is less than or
1107  * equal to the value that @right evaluates to. Semantically this is equivalent
1108  * to KUNIT_EXPECT_TRUE(@test, (@left) <= (@right)). See KUNIT_EXPECT_TRUE() for
1109  * more information.
1110  */
1111 #define KUNIT_EXPECT_LE(test, left, right) \
1112 	KUNIT_BINARY_LE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1113 
1114 #define KUNIT_EXPECT_LE_MSG(test, left, right, fmt, ...)		       \
1115 	KUNIT_BINARY_LE_MSG_ASSERTION(test,				       \
1116 				      KUNIT_EXPECTATION,		       \
1117 				      left,				       \
1118 				      right,				       \
1119 				      fmt,				       \
1120 				      ##__VA_ARGS__)
1121 
1122 /**
1123  * KUNIT_EXPECT_GT() - An expectation that @left is greater than @right.
1124  * @test: The test context object.
1125  * @left: an arbitrary expression that evaluates to a primitive C type.
1126  * @right: an arbitrary expression that evaluates to a primitive C type.
1127  *
1128  * Sets an expectation that the value that @left evaluates to is greater than
1129  * the value that @right evaluates to. This is semantically equivalent to
1130  * KUNIT_EXPECT_TRUE(@test, (@left) > (@right)). See KUNIT_EXPECT_TRUE() for
1131  * more information.
1132  */
1133 #define KUNIT_EXPECT_GT(test, left, right) \
1134 	KUNIT_BINARY_GT_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1135 
1136 #define KUNIT_EXPECT_GT_MSG(test, left, right, fmt, ...)		       \
1137 	KUNIT_BINARY_GT_MSG_ASSERTION(test,				       \
1138 				      KUNIT_EXPECTATION,		       \
1139 				      left,				       \
1140 				      right,				       \
1141 				      fmt,				       \
1142 				      ##__VA_ARGS__)
1143 
1144 /**
1145  * KUNIT_EXPECT_GE() - Expects that @left is greater than or equal to @right.
1146  * @test: The test context object.
1147  * @left: an arbitrary expression that evaluates to a primitive C type.
1148  * @right: an arbitrary expression that evaluates to a primitive C type.
1149  *
1150  * Sets an expectation that the value that @left evaluates to is greater than
1151  * the value that @right evaluates to. This is semantically equivalent to
1152  * KUNIT_EXPECT_TRUE(@test, (@left) >= (@right)). See KUNIT_EXPECT_TRUE() for
1153  * more information.
1154  */
1155 #define KUNIT_EXPECT_GE(test, left, right) \
1156 	KUNIT_BINARY_GE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1157 
1158 #define KUNIT_EXPECT_GE_MSG(test, left, right, fmt, ...)		       \
1159 	KUNIT_BINARY_GE_MSG_ASSERTION(test,				       \
1160 				      KUNIT_EXPECTATION,		       \
1161 				      left,				       \
1162 				      right,				       \
1163 				      fmt,				       \
1164 				      ##__VA_ARGS__)
1165 
1166 /**
1167  * KUNIT_EXPECT_STREQ() - Expects that strings @left and @right are equal.
1168  * @test: The test context object.
1169  * @left: an arbitrary expression that evaluates to a null terminated string.
1170  * @right: an arbitrary expression that evaluates to a null terminated string.
1171  *
1172  * Sets an expectation that the values that @left and @right evaluate to are
1173  * equal. This is semantically equivalent to
1174  * KUNIT_EXPECT_TRUE(@test, !strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
1175  * for more information.
1176  */
1177 #define KUNIT_EXPECT_STREQ(test, left, right) \
1178 	KUNIT_BINARY_STR_EQ_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1179 
1180 #define KUNIT_EXPECT_STREQ_MSG(test, left, right, fmt, ...)		       \
1181 	KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test,				       \
1182 					  KUNIT_EXPECTATION,		       \
1183 					  left,				       \
1184 					  right,			       \
1185 					  fmt,				       \
1186 					  ##__VA_ARGS__)
1187 
1188 /**
1189  * KUNIT_EXPECT_STRNEQ() - Expects that strings @left and @right are not equal.
1190  * @test: The test context object.
1191  * @left: an arbitrary expression that evaluates to a null terminated string.
1192  * @right: an arbitrary expression that evaluates to a null terminated string.
1193  *
1194  * Sets an expectation that the values that @left and @right evaluate to are
1195  * not equal. This is semantically equivalent to
1196  * KUNIT_EXPECT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_EXPECT_TRUE()
1197  * for more information.
1198  */
1199 #define KUNIT_EXPECT_STRNEQ(test, left, right) \
1200 	KUNIT_BINARY_STR_NE_ASSERTION(test, KUNIT_EXPECTATION, left, right)
1201 
1202 #define KUNIT_EXPECT_STRNEQ_MSG(test, left, right, fmt, ...)		       \
1203 	KUNIT_BINARY_STR_NE_MSG_ASSERTION(test,				       \
1204 					  KUNIT_EXPECTATION,		       \
1205 					  left,				       \
1206 					  right,			       \
1207 					  fmt,				       \
1208 					  ##__VA_ARGS__)
1209 
1210 /**
1211  * KUNIT_EXPECT_NOT_ERR_OR_NULL() - Expects that @ptr is not null and not err.
1212  * @test: The test context object.
1213  * @ptr: an arbitrary pointer.
1214  *
1215  * Sets an expectation that the value that @ptr evaluates to is not null and not
1216  * an errno stored in a pointer. This is semantically equivalent to
1217  * KUNIT_EXPECT_TRUE(@test, !IS_ERR_OR_NULL(@ptr)). See KUNIT_EXPECT_TRUE() for
1218  * more information.
1219  */
1220 #define KUNIT_EXPECT_NOT_ERR_OR_NULL(test, ptr) \
1221 	KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, KUNIT_EXPECTATION, ptr)
1222 
1223 #define KUNIT_EXPECT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...)		       \
1224 	KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test,			       \
1225 						KUNIT_EXPECTATION,	       \
1226 						ptr,			       \
1227 						fmt,			       \
1228 						##__VA_ARGS__)
1229 
1230 #define KUNIT_ASSERT_FAILURE(test, fmt, ...) \
1231 	KUNIT_FAIL_ASSERTION(test, KUNIT_ASSERTION, fmt, ##__VA_ARGS__)
1232 
1233 /**
1234  * KUNIT_ASSERT_TRUE() - Sets an assertion that @condition is true.
1235  * @test: The test context object.
1236  * @condition: an arbitrary boolean expression. The test fails and aborts when
1237  * this does not evaluate to true.
1238  *
1239  * This and assertions of the form `KUNIT_ASSERT_*` will cause the test case to
1240  * fail *and immediately abort* when the specified condition is not met. Unlike
1241  * an expectation failure, it will prevent the test case from continuing to run;
1242  * this is otherwise known as an *assertion failure*.
1243  */
1244 #define KUNIT_ASSERT_TRUE(test, condition) \
1245 	KUNIT_TRUE_ASSERTION(test, KUNIT_ASSERTION, condition)
1246 
1247 #define KUNIT_ASSERT_TRUE_MSG(test, condition, fmt, ...)		       \
1248 	KUNIT_TRUE_MSG_ASSERTION(test,					       \
1249 				 KUNIT_ASSERTION,			       \
1250 				 condition,				       \
1251 				 fmt,					       \
1252 				 ##__VA_ARGS__)
1253 
1254 /**
1255  * KUNIT_ASSERT_FALSE() - Sets an assertion that @condition is false.
1256  * @test: The test context object.
1257  * @condition: an arbitrary boolean expression.
1258  *
1259  * Sets an assertion that the value that @condition evaluates to is false. This
1260  * is the same as KUNIT_EXPECT_FALSE(), except it causes an assertion failure
1261  * (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1262  */
1263 #define KUNIT_ASSERT_FALSE(test, condition) \
1264 	KUNIT_FALSE_ASSERTION(test, KUNIT_ASSERTION, condition)
1265 
1266 #define KUNIT_ASSERT_FALSE_MSG(test, condition, fmt, ...)		       \
1267 	KUNIT_FALSE_MSG_ASSERTION(test,					       \
1268 				  KUNIT_ASSERTION,			       \
1269 				  condition,				       \
1270 				  fmt,					       \
1271 				  ##__VA_ARGS__)
1272 
1273 /**
1274  * KUNIT_ASSERT_EQ() - Sets an assertion that @left and @right are equal.
1275  * @test: The test context object.
1276  * @left: an arbitrary expression that evaluates to a primitive C type.
1277  * @right: an arbitrary expression that evaluates to a primitive C type.
1278  *
1279  * Sets an assertion that the values that @left and @right evaluate to are
1280  * equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
1281  * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1282  */
1283 #define KUNIT_ASSERT_EQ(test, left, right) \
1284 	KUNIT_BINARY_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
1285 
1286 #define KUNIT_ASSERT_EQ_MSG(test, left, right, fmt, ...)		       \
1287 	KUNIT_BINARY_EQ_MSG_ASSERTION(test,				       \
1288 				      KUNIT_ASSERTION,			       \
1289 				      left,				       \
1290 				      right,				       \
1291 				      fmt,				       \
1292 				      ##__VA_ARGS__)
1293 
1294 /**
1295  * KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
1296  * @test: The test context object.
1297  * @left: an arbitrary expression that evaluates to a pointer.
1298  * @right: an arbitrary expression that evaluates to a pointer.
1299  *
1300  * Sets an assertion that the values that @left and @right evaluate to are
1301  * equal. This is the same as KUNIT_EXPECT_EQ(), except it causes an assertion
1302  * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1303  */
1304 #define KUNIT_ASSERT_PTR_EQ(test, left, right) \
1305 	KUNIT_BINARY_PTR_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
1306 
1307 #define KUNIT_ASSERT_PTR_EQ_MSG(test, left, right, fmt, ...)		       \
1308 	KUNIT_BINARY_PTR_EQ_MSG_ASSERTION(test,				       \
1309 					  KUNIT_ASSERTION,		       \
1310 					  left,				       \
1311 					  right,			       \
1312 					  fmt,				       \
1313 					  ##__VA_ARGS__)
1314 
1315 /**
1316  * KUNIT_ASSERT_NE() - An assertion that @left and @right are not equal.
1317  * @test: The test context object.
1318  * @left: an arbitrary expression that evaluates to a primitive C type.
1319  * @right: an arbitrary expression that evaluates to a primitive C type.
1320  *
1321  * Sets an assertion that the values that @left and @right evaluate to are not
1322  * equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
1323  * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1324  */
1325 #define KUNIT_ASSERT_NE(test, left, right) \
1326 	KUNIT_BINARY_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
1327 
1328 #define KUNIT_ASSERT_NE_MSG(test, left, right, fmt, ...)		       \
1329 	KUNIT_BINARY_NE_MSG_ASSERTION(test,				       \
1330 				      KUNIT_ASSERTION,			       \
1331 				      left,				       \
1332 				      right,				       \
1333 				      fmt,				       \
1334 				      ##__VA_ARGS__)
1335 
1336 /**
1337  * KUNIT_ASSERT_PTR_NE() - Asserts that pointers @left and @right are not equal.
1338  * KUNIT_ASSERT_PTR_EQ() - Asserts that pointers @left and @right are equal.
1339  * @test: The test context object.
1340  * @left: an arbitrary expression that evaluates to a pointer.
1341  * @right: an arbitrary expression that evaluates to a pointer.
1342  *
1343  * Sets an assertion that the values that @left and @right evaluate to are not
1344  * equal. This is the same as KUNIT_EXPECT_NE(), except it causes an assertion
1345  * failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1346  */
1347 #define KUNIT_ASSERT_PTR_NE(test, left, right) \
1348 	KUNIT_BINARY_PTR_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
1349 
1350 #define KUNIT_ASSERT_PTR_NE_MSG(test, left, right, fmt, ...)		       \
1351 	KUNIT_BINARY_PTR_NE_MSG_ASSERTION(test,				       \
1352 					  KUNIT_ASSERTION,		       \
1353 					  left,				       \
1354 					  right,			       \
1355 					  fmt,				       \
1356 					  ##__VA_ARGS__)
1357 /**
1358  * KUNIT_ASSERT_LT() - An assertion that @left is less than @right.
1359  * @test: The test context object.
1360  * @left: an arbitrary expression that evaluates to a primitive C type.
1361  * @right: an arbitrary expression that evaluates to a primitive C type.
1362  *
1363  * Sets an assertion that the value that @left evaluates to is less than the
1364  * value that @right evaluates to. This is the same as KUNIT_EXPECT_LT(), except
1365  * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
1366  * is not met.
1367  */
1368 #define KUNIT_ASSERT_LT(test, left, right) \
1369 	KUNIT_BINARY_LT_ASSERTION(test, KUNIT_ASSERTION, left, right)
1370 
1371 #define KUNIT_ASSERT_LT_MSG(test, left, right, fmt, ...)		       \
1372 	KUNIT_BINARY_LT_MSG_ASSERTION(test,				       \
1373 				      KUNIT_ASSERTION,			       \
1374 				      left,				       \
1375 				      right,				       \
1376 				      fmt,				       \
1377 				      ##__VA_ARGS__)
1378 /**
1379  * KUNIT_ASSERT_LE() - An assertion that @left is less than or equal to @right.
1380  * @test: The test context object.
1381  * @left: an arbitrary expression that evaluates to a primitive C type.
1382  * @right: an arbitrary expression that evaluates to a primitive C type.
1383  *
1384  * Sets an assertion that the value that @left evaluates to is less than or
1385  * equal to the value that @right evaluates to. This is the same as
1386  * KUNIT_EXPECT_LE(), except it causes an assertion failure (see
1387  * KUNIT_ASSERT_TRUE()) when the assertion is not met.
1388  */
1389 #define KUNIT_ASSERT_LE(test, left, right) \
1390 	KUNIT_BINARY_LE_ASSERTION(test, KUNIT_ASSERTION, left, right)
1391 
1392 #define KUNIT_ASSERT_LE_MSG(test, left, right, fmt, ...)		       \
1393 	KUNIT_BINARY_LE_MSG_ASSERTION(test,				       \
1394 				      KUNIT_ASSERTION,			       \
1395 				      left,				       \
1396 				      right,				       \
1397 				      fmt,				       \
1398 				      ##__VA_ARGS__)
1399 
1400 /**
1401  * KUNIT_ASSERT_GT() - An assertion that @left is greater than @right.
1402  * @test: The test context object.
1403  * @left: an arbitrary expression that evaluates to a primitive C type.
1404  * @right: an arbitrary expression that evaluates to a primitive C type.
1405  *
1406  * Sets an assertion that the value that @left evaluates to is greater than the
1407  * value that @right evaluates to. This is the same as KUNIT_EXPECT_GT(), except
1408  * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
1409  * is not met.
1410  */
1411 #define KUNIT_ASSERT_GT(test, left, right) \
1412 	KUNIT_BINARY_GT_ASSERTION(test, KUNIT_ASSERTION, left, right)
1413 
1414 #define KUNIT_ASSERT_GT_MSG(test, left, right, fmt, ...)		       \
1415 	KUNIT_BINARY_GT_MSG_ASSERTION(test,				       \
1416 				      KUNIT_ASSERTION,			       \
1417 				      left,				       \
1418 				      right,				       \
1419 				      fmt,				       \
1420 				      ##__VA_ARGS__)
1421 
1422 /**
1423  * KUNIT_ASSERT_GE() - Assertion that @left is greater than or equal to @right.
1424  * @test: The test context object.
1425  * @left: an arbitrary expression that evaluates to a primitive C type.
1426  * @right: an arbitrary expression that evaluates to a primitive C type.
1427  *
1428  * Sets an assertion that the value that @left evaluates to is greater than the
1429  * value that @right evaluates to. This is the same as KUNIT_EXPECT_GE(), except
1430  * it causes an assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion
1431  * is not met.
1432  */
1433 #define KUNIT_ASSERT_GE(test, left, right) \
1434 	KUNIT_BINARY_GE_ASSERTION(test, KUNIT_ASSERTION, left, right)
1435 
1436 #define KUNIT_ASSERT_GE_MSG(test, left, right, fmt, ...)		       \
1437 	KUNIT_BINARY_GE_MSG_ASSERTION(test,				       \
1438 				      KUNIT_ASSERTION,			       \
1439 				      left,				       \
1440 				      right,				       \
1441 				      fmt,				       \
1442 				      ##__VA_ARGS__)
1443 
1444 /**
1445  * KUNIT_ASSERT_STREQ() - An assertion that strings @left and @right are equal.
1446  * @test: The test context object.
1447  * @left: an arbitrary expression that evaluates to a null terminated string.
1448  * @right: an arbitrary expression that evaluates to a null terminated string.
1449  *
1450  * Sets an assertion that the values that @left and @right evaluate to are
1451  * equal. This is the same as KUNIT_EXPECT_STREQ(), except it causes an
1452  * assertion failure (see KUNIT_ASSERT_TRUE()) when the assertion is not met.
1453  */
1454 #define KUNIT_ASSERT_STREQ(test, left, right) \
1455 	KUNIT_BINARY_STR_EQ_ASSERTION(test, KUNIT_ASSERTION, left, right)
1456 
1457 #define KUNIT_ASSERT_STREQ_MSG(test, left, right, fmt, ...)		       \
1458 	KUNIT_BINARY_STR_EQ_MSG_ASSERTION(test,				       \
1459 					  KUNIT_ASSERTION,		       \
1460 					  left,				       \
1461 					  right,			       \
1462 					  fmt,				       \
1463 					  ##__VA_ARGS__)
1464 
1465 /**
1466  * KUNIT_ASSERT_STRNEQ() - Expects that strings @left and @right are not equal.
1467  * @test: The test context object.
1468  * @left: an arbitrary expression that evaluates to a null terminated string.
1469  * @right: an arbitrary expression that evaluates to a null terminated string.
1470  *
1471  * Sets an expectation that the values that @left and @right evaluate to are
1472  * not equal. This is semantically equivalent to
1473  * KUNIT_ASSERT_TRUE(@test, strcmp((@left), (@right))). See KUNIT_ASSERT_TRUE()
1474  * for more information.
1475  */
1476 #define KUNIT_ASSERT_STRNEQ(test, left, right) \
1477 	KUNIT_BINARY_STR_NE_ASSERTION(test, KUNIT_ASSERTION, left, right)
1478 
1479 #define KUNIT_ASSERT_STRNEQ_MSG(test, left, right, fmt, ...)		       \
1480 	KUNIT_BINARY_STR_NE_MSG_ASSERTION(test,				       \
1481 					  KUNIT_ASSERTION,		       \
1482 					  left,				       \
1483 					  right,			       \
1484 					  fmt,				       \
1485 					  ##__VA_ARGS__)
1486 
1487 /**
1488  * KUNIT_ASSERT_NOT_ERR_OR_NULL() - Assertion that @ptr is not null and not err.
1489  * @test: The test context object.
1490  * @ptr: an arbitrary pointer.
1491  *
1492  * Sets an assertion that the value that @ptr evaluates to is not null and not
1493  * an errno stored in a pointer. This is the same as
1494  * KUNIT_EXPECT_NOT_ERR_OR_NULL(), except it causes an assertion failure (see
1495  * KUNIT_ASSERT_TRUE()) when the assertion is not met.
1496  */
1497 #define KUNIT_ASSERT_NOT_ERR_OR_NULL(test, ptr) \
1498 	KUNIT_PTR_NOT_ERR_OR_NULL_ASSERTION(test, KUNIT_ASSERTION, ptr)
1499 
1500 #define KUNIT_ASSERT_NOT_ERR_OR_NULL_MSG(test, ptr, fmt, ...)		       \
1501 	KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test,			       \
1502 						KUNIT_ASSERTION,	       \
1503 						ptr,			       \
1504 						fmt,			       \
1505 						##__VA_ARGS__)
1506 
1507 #endif /* _KUNIT_TEST_H */
1508