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test: make the TEST_COLLECTION() macro re-usable in the same file

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Concat the line number to the generated variable names, this way we can
have more than one TEST_COLLECTION() in the same file.

Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1065>
This commit is contained in:
Peter Hutterer 2024-10-17 19:25:39 +10:00
parent 0135b0b41c
commit 3390f2e647
2 changed files with 14 additions and 5 deletions
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9
src/util-macros.h
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@ -62,4 +62,13 @@
#define CASE_RETURN_STRING(a) case a: return #a
/**
* Concatenate two macro args into one, e.g.:
* int CONCAT(foo_, __LINE__);
* will produce:
* int foo_123;
*/
#define CONCAT2(X,Y) X##Y
#define CONCAT(X,Y) CONCAT2(X,Y)
#define _fallthrough_ __attribute__((fallthrough))

10
test/litest.h
View file

@ -74,14 +74,14 @@ struct test_collection {
void (*setup)(void);
} __attribute__((aligned(16)));
#define TEST_COLLECTION(name) \
static void (name##_setup)(void); \
static const struct test_collection _test_collection \
#define TEST_COLLECTION(name_) \
static void (CONCAT(name_ , __LINE__))(void); \
static const struct test_collection CONCAT(_test_collection_, __LINE__) \
__attribute__ ((used)) \
__attribute__ ((section ("test_collection_section"))) = { \
#name, name##_setup \
#name_, CONCAT(name_, __LINE__) \
}; \
static void (name##_setup)(void)
static void (CONCAT(name_, __LINE__))(void)
__attribute__ ((format (printf, 3, 0)))
void _litest_checkpoint(const char *func,