server-skynet-source-3rd-jemalloc/test/unit/thread_event.c

#include "test/jemalloc_test.h"

TEST_BEGIN(test_next_event_fast) {
	tsd_t *tsd = tsd_fetch();
	te_ctx_t ctx;
	te_ctx_get(tsd, &ctx, true);

	te_ctx_last_event_set(&ctx, 0);
	te_ctx_current_bytes_set(&ctx, TE_NEXT_EVENT_FAST_MAX - 8U);
	te_ctx_next_event_set(tsd, &ctx, TE_NEXT_EVENT_FAST_MAX);
#define E(event, condition, is_alloc)					\
	if (is_alloc && condition) {					\
		event##_event_wait_set(tsd, TE_NEXT_EVENT_FAST_MAX);	\
	}
	ITERATE_OVER_ALL_EVENTS
#undef E

	/* Test next_event_fast rolling back to 0. */
	void *p = malloc(16U);
	assert_ptr_not_null(p, "malloc() failed");
	free(p);

	/* Test next_event_fast resuming to be equal to next_event. */
	void *q = malloc(SC_LOOKUP_MAXCLASS);
	assert_ptr_not_null(q, "malloc() failed");
	free(q);
}
TEST_END

TEST_BEGIN(test_event_rollback) {
	tsd_t *tsd = tsd_fetch();
	const uint64_t diff = TE_MAX_INTERVAL >> 2;
	size_t count = 10;
	uint64_t thread_allocated = thread_allocated_get(tsd);
	while (count-- != 0) {
		te_alloc_rollback(tsd, diff);
		uint64_t thread_allocated_after = thread_allocated_get(tsd);
		assert_u64_eq(thread_allocated - thread_allocated_after, diff,
		    "thread event counters are not properly rolled back");
		thread_allocated = thread_allocated_after;
	}
}
TEST_END

int
main(void) {
	return test(
	    test_next_event_fast,
	    test_event_rollback);
}