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