gecko/xpcom/tests/TestJemalloc.cpp

112 lines
3.3 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is c++ array template tests.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation <http://www.mozilla.org/>.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Nicholas Nethercote <nnethercote@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* 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 "jemalloc.h"
static inline bool
TestOne(size_t size)
{
size_t req = size;
size_t adv = je_malloc_usable_size_in_advance(req);
char* p = (char*)malloc(req);
size_t usable = moz_malloc_usable_size(p);
if (adv != usable) {
fail("je_malloc_usable_size_in_advance(%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("je_malloc_usable_size_in_advance");
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;
}