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