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      1 #include "test/jemalloc_test.h"
      2 
      3 static uint64_t
      4 allocated() {
      5 	if (!config_stats) {
      6 		return 0;
      7 	}
      8 	uint64_t allocated;
      9 	size_t sz = sizeof(allocated);
     10 	expect_d_eq(mallctl("thread.allocated", (void *)&allocated, &sz, NULL,
     11 	    0), 0, "Unexpected mallctl failure");
     12 	return allocated;
     13 }
     14 
     15 static uint64_t
     16 deallocated() {
     17 	if (!config_stats) {
     18 		return 0;
     19 	}
     20 	uint64_t deallocated;
     21 	size_t sz = sizeof(deallocated);
     22 	expect_d_eq(mallctl("thread.deallocated", (void *)&deallocated, &sz,
     23 	    NULL, 0), 0, "Unexpected mallctl failure");
     24 	return deallocated;
     25 }
     26 
     27 TEST_BEGIN(test_realloc_alloc) {
     28 	void *ptr = mallocx(1, 0);
     29 	expect_ptr_not_null(ptr, "Unexpected mallocx error");
     30 	uint64_t allocated_before = allocated();
     31 	uint64_t deallocated_before = deallocated();
     32 	ptr = realloc(ptr, 0);
     33 	uint64_t allocated_after = allocated();
     34 	uint64_t deallocated_after = deallocated();
     35 	if (config_stats) {
     36 		expect_u64_lt(allocated_before, allocated_after,
     37 		    "Unexpected stats change");
     38 		expect_u64_lt(deallocated_before, deallocated_after,
     39 		    "Unexpected stats change");
     40 	}
     41 	dallocx(ptr, 0);
     42 }
     43 TEST_END
     44 int
     45 main(void) {
     46 	return test(
     47 	    test_realloc_alloc);
     48 }
     49