[RFC PATCH 2/4] rfc: kunit: rename base KUNIT_ASSERTION macro to _KUNIT_FAILED

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Context:
Currently this macro's name, KUNIT_ASSERTION conflicts with the name of
an enum whose values are {KUNIT_EXPECTATION, KUNIT_ASSERTION}.

It's hard to think of a better name for the enum, so rename this macro.
It's also a bit strange that the macro might do nothing depending on the
boolean argument `pass`. Why not have callers check themselves?

This patch:
Moves the pass/fail checking into the callers of KUNIT_ASSERTION, so now
we only call it when the check has failed.
Then we rename the macro the _KUNIT_FAILED() to reflect the new
semantics.

Signed-off-by: Daniel Latypov <dlatypov@xxxxxxxxxx>
---
 include/kunit/test.h | 119 ++++++++++++++++++++++---------------------
 1 file changed, 61 insertions(+), 58 deletions(-)

diff --git a/include/kunit/test.h b/include/kunit/test.h
index 6730734a2216..4a7cb7e72660 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -512,30 +512,27 @@ void kunit_do_failed_assertion(struct kunit *test,
 			       assert_format_t assert_format,
 			       const char *fmt, ...);
 
-#define KUNIT_ASSERTION(test, assert_type, pass, assert_class, assert_format, INITIALIZER, fmt, ...) do { \
-	if (unlikely(!(pass))) {					       \
-		static const struct kunit_loc __loc = KUNIT_CURRENT_LOC;       \
-		struct assert_class __assertion = INITIALIZER;		       \
-		kunit_do_failed_assertion(test,				       \
-					  &__loc,			       \
-					  assert_type,			       \
-					  &__assertion.assert,		       \
-					  assert_format,		       \
-					  fmt,				       \
-					  ##__VA_ARGS__);		       \
-	}								       \
+#define _KUNIT_FAILED(test, assert_type, assert_class, assert_format, INITIALIZER, fmt, ...) do { \
+	static const struct kunit_loc __loc = KUNIT_CURRENT_LOC;	       \
+	struct assert_class __assertion = INITIALIZER;			       \
+	kunit_do_failed_assertion(test,					       \
+				  &__loc,				       \
+				  assert_type,				       \
+				  &__assertion.assert,			       \
+				  assert_format,			       \
+				  fmt,					       \
+				  ##__VA_ARGS__);			       \
 } while (0)
 
 
 #define KUNIT_FAIL_ASSERTION(test, assert_type, fmt, ...)		       \
-	KUNIT_ASSERTION(test,						       \
-			assert_type,					       \
-			false,						       \
-			kunit_fail_assert,				       \
-			kunit_fail_assert_format,			       \
-			{},						       \
-			fmt,						       \
-			##__VA_ARGS__)
+	_KUNIT_FAILED(test,						       \
+		      assert_type,					       \
+		      kunit_fail_assert,				       \
+		      kunit_fail_assert_format,				       \
+		      {},						       \
+		      fmt,						       \
+		      ##__VA_ARGS__)
 
 /**
  * KUNIT_FAIL() - Always causes a test to fail when evaluated.
@@ -560,15 +557,18 @@ void kunit_do_failed_assertion(struct kunit *test,
 			      expected_true,				       \
 			      fmt,					       \
 			      ...)					       \
-	KUNIT_ASSERTION(test,						       \
-			assert_type,					       \
-			!!(condition) == !!expected_true,		       \
-			kunit_unary_assert,				       \
-			kunit_unary_assert_format,			       \
-			KUNIT_INIT_UNARY_ASSERT_STRUCT(#condition,	       \
-						       expected_true),	       \
-			fmt,						       \
-			##__VA_ARGS__)
+do {									       \
+	if (likely(!!(condition) == !!expected_true)) break;		       \
+									       \
+	_KUNIT_FAILED(test,						       \
+		      assert_type,					       \
+		      kunit_unary_assert,				       \
+		      kunit_unary_assert_format,			       \
+		      KUNIT_INIT_UNARY_ASSERT_STRUCT(#condition,	       \
+						     expected_true),	       \
+		      fmt,						       \
+		      ##__VA_ARGS__);					       \
+} while(0)
 
 #define KUNIT_TRUE_MSG_ASSERTION(test, assert_type, condition, fmt, ...)       \
 	KUNIT_UNARY_ASSERTION(test,					       \
@@ -618,16 +618,17 @@ do {									       \
 		.right_text = #right,					       \
 	};								       \
 									       \
-	KUNIT_ASSERTION(test,						       \
-			assert_type,					       \
-			__left op __right,				       \
-			assert_class,					       \
-			format_func,					       \
-			KUNIT_INIT_BINARY_ASSERT_STRUCT(&__text,	       \
-							__left,		       \
-							__right),	       \
-			fmt,						       \
-			##__VA_ARGS__);					       \
+	if (likely(__left op __right)) break;				       \
+									       \
+	_KUNIT_FAILED(test,						       \
+		      assert_type,					       \
+		      assert_class,					       \
+		      format_func,					       \
+		      KUNIT_INIT_BINARY_ASSERT_STRUCT(&__text,		       \
+						      __left,		       \
+						      __right),		       \
+		      fmt,						       \
+		      ##__VA_ARGS__);					       \
 } while (0)
 
 #define KUNIT_BINARY_INT_ASSERTION(test,				       \
@@ -676,16 +677,18 @@ do {									       \
 		.right_text = #right,					       \
 	};								       \
 									       \
-	KUNIT_ASSERTION(test,						       \
-			assert_type,					       \
-			strcmp(__left, __right) op 0,			       \
-			kunit_binary_str_assert,			       \
-			kunit_binary_str_assert_format,			       \
-			KUNIT_INIT_BINARY_ASSERT_STRUCT(&__text,	       \
-							__left,		       \
-							__right),	       \
-			fmt,						       \
-			##__VA_ARGS__);					       \
+	if (likely(strcmp(__left, __right) op 0)) break;		       \
+									       \
+									       \
+	_KUNIT_FAILED(test,						       \
+		      assert_type,					       \
+		      kunit_binary_str_assert,				       \
+		      kunit_binary_str_assert_format,			       \
+		      KUNIT_INIT_BINARY_ASSERT_STRUCT(&__text,		       \
+						      __left,		       \
+						      __right),		       \
+		      fmt,						       \
+		      ##__VA_ARGS__);					       \
 } while (0)
 
 #define KUNIT_PTR_NOT_ERR_OR_NULL_MSG_ASSERTION(test,			       \
@@ -696,15 +699,15 @@ do {									       \
 do {									       \
 	const typeof(ptr) __ptr = (ptr);				       \
 									       \
-	KUNIT_ASSERTION(test,						       \
-			assert_type,					       \
-			!IS_ERR_OR_NULL(__ptr),				       \
-			kunit_ptr_not_err_assert,			       \
-			kunit_ptr_not_err_assert_format,		       \
-			KUNIT_INIT_PTR_NOT_ERR_STRUCT(#ptr,		       \
-						      __ptr),		       \
-			fmt,						       \
-			##__VA_ARGS__);					       \
+	if (likely(!IS_ERR_OR_NULL(__ptr))) break;			       \
+									       \
+	_KUNIT_FAILED(test,						       \
+		      assert_type,					       \
+		      kunit_ptr_not_err_assert,				       \
+		      kunit_ptr_not_err_assert_format,			       \
+		      KUNIT_INIT_PTR_NOT_ERR_STRUCT(#ptr, __ptr),	       \
+		      fmt,						       \
+		      ##__VA_ARGS__);					       \
 } while (0)
 
 /**
-- 
2.36.1.124.g0e6072fb45-goog




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