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// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*-
// Copyright (c) 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// ---
// Author: Craig Silverstein
//
// Simple test of malloc_extension. Includes test of C shims.
#include "config_for_unittests.h"
#include <stdio.h>
#include <sys/types.h>
#include "base/logging.h"
#include <gperftools/malloc_extension.h>
#include <gperftools/malloc_extension_c.h>
int main(int argc, char** argv) {
void* a = malloc(1000);
size_t cxx_bytes_used, c_bytes_used;
ASSERT_TRUE(MallocExtension::instance()->GetNumericProperty(
"generic.current_allocated_bytes", &cxx_bytes_used));
ASSERT_TRUE(MallocExtension_GetNumericProperty(
"generic.current_allocated_bytes", &c_bytes_used));
ASSERT_GT(cxx_bytes_used, 1000);
ASSERT_EQ(cxx_bytes_used, c_bytes_used);
ASSERT_TRUE(MallocExtension::instance()->VerifyAllMemory());
ASSERT_TRUE(MallocExtension_VerifyAllMemory());
ASSERT_EQ(MallocExtension::kOwned,
MallocExtension::instance()->GetOwnership(a));
// TODO(csilvers): this relies on undocumented behavior that
// GetOwnership works on stack-allocated variables. Use a better test.
ASSERT_EQ(MallocExtension::kNotOwned,
MallocExtension::instance()->GetOwnership(&cxx_bytes_used));
ASSERT_EQ(MallocExtension::kNotOwned,
MallocExtension::instance()->GetOwnership(NULL));
ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(a), 1000);
// This is just a sanity check. If we allocated too much, tcmalloc is broken
ASSERT_LE(MallocExtension::instance()->GetAllocatedSize(a), 5000);
ASSERT_GE(MallocExtension::instance()->GetEstimatedAllocatedSize(1000), 1000);
for (int i = 0; i < 10; ++i) {
void *p = malloc(i);
ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(p),
MallocExtension::instance()->GetEstimatedAllocatedSize(i));
free(p);
}
// Check the c-shim version too.
ASSERT_EQ(MallocExtension_kOwned, MallocExtension_GetOwnership(a));
ASSERT_EQ(MallocExtension_kNotOwned,
MallocExtension_GetOwnership(&cxx_bytes_used));
ASSERT_EQ(MallocExtension_kNotOwned, MallocExtension_GetOwnership(NULL));
ASSERT_GE(MallocExtension_GetAllocatedSize(a), 1000);
ASSERT_LE(MallocExtension_GetAllocatedSize(a), 5000);
ASSERT_GE(MallocExtension_GetEstimatedAllocatedSize(1000), 1000);
free(a);
// Verify that the .cc file and .h file have the same enum values.
ASSERT_EQ(static_cast<int>(MallocExtension::kUnknownOwnership),
static_cast<int>(MallocExtension_kUnknownOwnership));
ASSERT_EQ(static_cast<int>(MallocExtension::kOwned),
static_cast<int>(MallocExtension_kOwned));
ASSERT_EQ(static_cast<int>(MallocExtension::kNotOwned),
static_cast<int>(MallocExtension_kNotOwned));
printf("DONE\n");
return 0;
}
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