1 files changed, 34 insertions, 0 deletions
diff --git a/deps/jemalloc/test/unit/thread_event.c b/deps/jemalloc/test/unit/thread_event.c
new file mode 100644
index 000000000..e0b88a92d
--- /dev/null
+++ b/deps/jemalloc/test/unit/thread_event.c
@@ -0,0 +1,34 @@
+#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
+
+int
+main(void) {
+	return test(
+	    test_next_event_fast);
+}