Backed out changeset 1b545e55e42a (bug 1313485) for bustage. r=backout

--HG--
rename : memory/gtest/TestJemalloc.cpp => xpcom/tests/TestJemalloc.cpp
This commit is contained in:
Sebastian Hengst 2016-11-07 23:46:09 +01:00
parent e206d178b4
commit 193fc03fc6
6 changed files with 84 additions and 63 deletions

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@ -1,51 +0,0 @@
/* -*- 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/. */
#include "mozilla/mozalloc.h"
#include "mozmemory.h"
#include "gtest/gtest.h"
static inline void
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);
// NB: Using EXPECT here so that we still free the memory on failure.
EXPECT_EQ(adv, usable) <<
"malloc_good_size(" << req << ") --> " << adv << "; "
"malloc_usable_size(" << req << ") --> " << usable;
free(p);
}
static inline void
TestThree(size_t size)
{
ASSERT_NO_FATAL_FAILURE(TestOne(size - 1));
ASSERT_NO_FATAL_FAILURE(TestOne(size));
ASSERT_NO_FATAL_FAILURE(TestOne(size + 1));
}
TEST(Jemalloc, UsableSizeInAdvance)
{
#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++)
ASSERT_NO_FATAL_FAILURE(TestOne(n));
for (size_t n = 16 K; n < 1 M; n += 4 K)
ASSERT_NO_FATAL_FAILURE(TestThree(n));
for (size_t n = 1 M; n < 8 M; n += 128 K)
ASSERT_NO_FATAL_FAILURE(TestThree(n));
}

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@ -1,11 +0,0 @@
# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# 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/.
UNIFIED_SOURCES += [
'TestJemalloc.cpp',
]
FINAL_LIBRARY = 'xul-gtest'

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@ -15,7 +15,6 @@ if not CONFIG['JS_STANDALONE']:
if CONFIG['MOZ_MEMORY']:
DIRS += [
'build',
'gtest',
'mozjemalloc',
]

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@ -31,6 +31,7 @@ skip-if = os != 'win'
[TestIntegerRange]
[TestIsCertBuiltInRoot]
[TestJSONWriter]
[TestJemalloc]
[TestLinkedList]
[TestMacroArgs]
[TestMacroForEach]

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@ -0,0 +1,78 @@
/* -*- 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;
}

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@ -45,6 +45,11 @@ if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
XPCSHELL_TESTS_MANIFESTS += ['unit/xpcshell.ini']
if CONFIG['MOZ_MEMORY']:
GeckoCppUnitTests([
'TestJemalloc',
])
# FIXME: bug 577500 TestStaticAtoms fails when run in dist/bin
#CPP_UNIT_TESTS += [
# 'TestStaticAtoms',