xpcom/tests/TestJemalloc.cpp@6474c204b198 (annotated)
xpcom/tests/TestJemalloc.cpp
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | /* |
| michael@0 | 7 | * Ideally, this test would be in memory/test/. But I couldn't get it to build |
| michael@0 | 8 | * there (couldn't find TestHarness.h). I think memory/ is processed too early |
| michael@0 | 9 | * in the build. So it's here. |
| michael@0 | 10 | */ |
| michael@0 | 11 | |
| michael@0 | 12 | #include "TestHarness.h" |
| michael@0 | 13 | #include "mozmemory.h" |
| michael@0 | 14 | |
| michael@0 | 15 | static inline bool |
| michael@0 | 16 | TestOne(size_t size) |
| michael@0 | 17 | { |
| michael@0 | 18 | size_t req = size; |
| michael@0 | 19 | size_t adv = malloc_good_size(req); |
| michael@0 | 20 | char* p = (char*)malloc(req); |
| michael@0 | 21 | size_t usable = moz_malloc_usable_size(p); |
| michael@0 | 22 | if (adv != usable) { |
| michael@0 | 23 | fail("malloc_good_size(%d) --> %d; " |
| michael@0 | 24 | "malloc_usable_size(%d) --> %d", |
| michael@0 | 25 | req, adv, req, usable); |
| michael@0 | 26 | return false; |
| michael@0 | 27 | } |
| michael@0 | 28 | free(p); |
| michael@0 | 29 | return true; |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | static inline bool |
| michael@0 | 33 | TestThree(size_t size) |
| michael@0 | 34 | { |
| michael@0 | 35 | return TestOne(size - 1) && TestOne(size) && TestOne(size + 1); |
| michael@0 | 36 | } |
| michael@0 | 37 | |
| michael@0 | 38 | static nsresult |
| michael@0 | 39 | TestJemallocUsableSizeInAdvance() |
| michael@0 | 40 | { |
| michael@0 | 41 | #define K * 1024 |
| michael@0 | 42 | #define M * 1024 * 1024 |
| michael@0 | 43 | |
| michael@0 | 44 | /* |
| michael@0 | 45 | * Test every size up to a certain point, then (N-1, N, N+1) triplets for a |
| michael@0 | 46 | * various sizes beyond that. |
| michael@0 | 47 | */ |
| michael@0 | 48 | |
| michael@0 | 49 | for (size_t n = 0; n < 16 K; n++) |
| michael@0 | 50 | if (!TestOne(n)) |
| michael@0 | 51 | return NS_ERROR_UNEXPECTED; |
| michael@0 | 52 | |
| michael@0 | 53 | for (size_t n = 16 K; n < 1 M; n += 4 K) |
| michael@0 | 54 | if (!TestThree(n)) |
| michael@0 | 55 | return NS_ERROR_UNEXPECTED; |
| michael@0 | 56 | |
| michael@0 | 57 | for (size_t n = 1 M; n < 8 M; n += 128 K) |
| michael@0 | 58 | if (!TestThree(n)) |
| michael@0 | 59 | return NS_ERROR_UNEXPECTED; |
| michael@0 | 60 | |
| michael@0 | 61 | passed("malloc_good_size"); |
| michael@0 | 62 | |
| michael@0 | 63 | return NS_OK; |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | int main(int argc, char** argv) |
| michael@0 | 67 | { |
| michael@0 | 68 | int rv = 0; |
| michael@0 | 69 | ScopedXPCOM xpcom("jemalloc"); |
| michael@0 | 70 | if (xpcom.failed()) |
| michael@0 | 71 | return 1; |
| michael@0 | 72 | |
| michael@0 | 73 | if (NS_FAILED(TestJemallocUsableSizeInAdvance())) |
| michael@0 | 74 | rv = 1; |
| michael@0 | 75 | |
| michael@0 | 76 | return rv; |
| michael@0 | 77 | } |
| michael@0 | 78 |
