The Tor Browser / file comparison
comparison: xpcom/tests/TestJemalloc.cpp
xpcom/tests/TestJemalloc.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:5dc13ebb62ba |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* | |
| 7 * Ideally, this test would be in memory/test/. But I couldn't get it to build | |
| 8 * there (couldn't find TestHarness.h). I think memory/ is processed too early | |
| 9 * in the build. So it's here. | |
| 10 */ | |
| 11 | |
| 12 #include "TestHarness.h" | |
| 13 #include "mozmemory.h" | |
| 14 | |
| 15 static inline bool | |
| 16 TestOne(size_t size) | |
| 17 { | |
| 18 size_t req = size; | |
| 19 size_t adv = malloc_good_size(req); | |
| 20 char* p = (char*)malloc(req); | |
| 21 size_t usable = moz_malloc_usable_size(p); | |
| 22 if (adv != usable) { | |
| 23 fail("malloc_good_size(%d) --> %d; " | |
| 24 "malloc_usable_size(%d) --> %d", | |
| 25 req, adv, req, usable); | |
| 26 return false; | |
| 27 } | |
| 28 free(p); | |
| 29 return true; | |
| 30 } | |
| 31 | |
| 32 static inline bool | |
| 33 TestThree(size_t size) | |
| 34 { | |
| 35 return TestOne(size - 1) && TestOne(size) && TestOne(size + 1); | |
| 36 } | |
| 37 | |
| 38 static nsresult | |
| 39 TestJemallocUsableSizeInAdvance() | |
| 40 { | |
| 41 #define K * 1024 | |
| 42 #define M * 1024 * 1024 | |
| 43 | |
| 44 /* | |
| 45 * Test every size up to a certain point, then (N-1, N, N+1) triplets for a | |
| 46 * various sizes beyond that. | |
| 47 */ | |
| 48 | |
| 49 for (size_t n = 0; n < 16 K; n++) | |
| 50 if (!TestOne(n)) | |
| 51 return NS_ERROR_UNEXPECTED; | |
| 52 | |
| 53 for (size_t n = 16 K; n < 1 M; n += 4 K) | |
| 54 if (!TestThree(n)) | |
| 55 return NS_ERROR_UNEXPECTED; | |
| 56 | |
| 57 for (size_t n = 1 M; n < 8 M; n += 128 K) | |
| 58 if (!TestThree(n)) | |
| 59 return NS_ERROR_UNEXPECTED; | |
| 60 | |
| 61 passed("malloc_good_size"); | |
| 62 | |
| 63 return NS_OK; | |
| 64 } | |
| 65 | |
| 66 int main(int argc, char** argv) | |
| 67 { | |
| 68 int rv = 0; | |
| 69 ScopedXPCOM xpcom("jemalloc"); | |
| 70 if (xpcom.failed()) | |
| 71 return 1; | |
| 72 | |
| 73 if (NS_FAILED(TestJemallocUsableSizeInAdvance())) | |
| 74 rv = 1; | |
| 75 | |
| 76 return rv; | |
| 77 } | |
| 78 |
