| // -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- |
| // Copyright (c) 2008, Google Inc. |
| // All rights reserved. |
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| |
| // --- |
| // Author: Craig Silverstein |
| // |
| // Simple test of malloc_extension. Includes test of C shims. |
| |
| #include "config_for_unittests.h" |
| |
| #include <gperftools/malloc_extension.h> |
| #include <gperftools/malloc_extension_c.h> |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include "base/logging.h" |
| |
| #include "gtest/gtest.h" |
| |
| TEST(MallocExtensionTest, Basics) { |
| 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)); |
| |
| 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)); |
| } |