Function TEST_BEGIN

deps/jemalloc/test/unit/decay.c:487–544

#undef NPS
}
TEST_END

TEST_BEGIN(test_decay_nonmonotonic) {
	test_skip_if(check_background_thread_enabled());
#define NPS (SMOOTHSTEP_NSTEPS + 1)
	int flags = (MALLOCX_ARENA(0) | MALLOCX_TCACHE_NONE);
	void *ps[NPS];
	uint64_t npurge0 = 0;
	uint64_t npurge1 = 0;
	size_t sz, large0;
	unsigned i, nupdates0;

	sz = sizeof(size_t);
	assert_d_eq(mallctl("arenas.lextent.0.size", (void *)&large0, &sz, NULL,
	    0), 0, "Unexpected mallctl failure");

	assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0,
	    "Unexpected mallctl failure");
	do_epoch();
	sz = sizeof(uint64_t);
	npurge0 = get_arena_npurge(0);

	nupdates_mock = 0;
	nstime_init(&time_mock, 0);
	nstime_update(&time_mock);
	monotonic_mock = false;

	nstime_monotonic_orig = nstime_monotonic;
	nstime_update_orig = nstime_update;
	nstime_monotonic = nstime_monotonic_mock;
	nstime_update = nstime_update_mock;

	for (i = 0; i < NPS; i++) {
		ps[i] = mallocx(large0, flags);
		assert_ptr_not_null(ps[i], "Unexpected mallocx() failure");
	}

	for (i = 0; i < NPS; i++) {
		dallocx(ps[i], flags);
		nupdates0 = nupdates_mock;
		assert_d_eq(mallctl("arena.0.decay", NULL, NULL, NULL, 0), 0,
		    "Unexpected arena.0.decay failure");
		assert_u_gt(nupdates_mock, nupdates0,
		    "Expected nstime_update() to be called");
	}

	do_epoch();
	sz = sizeof(uint64_t);
	npurge1 = get_arena_npurge(0);

	if (config_stats) {
		assert_u64_eq(npurge0, npurge1, "Unexpected purging occurred");
	}

	nstime_monotonic = nstime_monotonic_orig;
	nstime_update = nstime_update_orig;
#undef NPS
}