/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* * Ideally, this test would be in memory/test/. But I couldn't get it to build * there (couldn't find TestHarness.h). I think memory/ is processed too early * in the build. So it's here. */ #include "TestHarness.h" #include "mozmemory.h" static inline bool TestOne(size_t size) { size_t req = size; size_t adv = malloc_good_size(req); char* p = (char*)malloc(req); size_t usable = moz_malloc_usable_size(p); if (adv != usable) { fail("malloc_good_size(%d) --> %d; " "malloc_usable_size(%d) --> %d", req, adv, req, usable); return false; } free(p); return true; } static inline bool TestThree(size_t size) { return TestOne(size - 1) && TestOne(size) && TestOne(size + 1); } static nsresult TestJemallocUsableSizeInAdvance() { #define K * 1024 #define M * 1024 * 1024 /* * Test every size up to a certain point, then (N-1, N, N+1) triplets for a * various sizes beyond that. */ for (size_t n = 0; n < 16 K; n++) if (!TestOne(n)) return NS_ERROR_UNEXPECTED; for (size_t n = 16 K; n < 1 M; n += 4 K) if (!TestThree(n)) return NS_ERROR_UNEXPECTED; for (size_t n = 1 M; n < 8 M; n += 128 K) if (!TestThree(n)) return NS_ERROR_UNEXPECTED; passed("malloc_good_size"); return NS_OK; } int main(int argc, char** argv) { int rv = 0; ScopedXPCOM xpcom("jemalloc"); if (xpcom.failed()) return 1; if (NS_FAILED(TestJemallocUsableSizeInAdvance())) rv = 1; return rv; }