1 // Copyright (c) 2008, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // --- 31 // Author: Craig Silverstein 32 // 33 // Simple test of malloc_extension. Includes test of C shims. 34 35 #include "config_for_unittests.h" 36 #include <stdio.h> 37 #include <sys/types.h> 38 #include "base/logging.h" 39 #include <gperftools/malloc_extension.h> 40 #include <gperftools/malloc_extension_c.h> 41 42 using STL_NAMESPACE::vector; 43 44 int main(int argc, char** argv) { 45 void* a = malloc(1000); 46 47 size_t cxx_bytes_used, c_bytes_used; 48 ASSERT_TRUE(MallocExtension::instance()->GetNumericProperty( 49 "generic.current_allocated_bytes", &cxx_bytes_used)); 50 ASSERT_TRUE(MallocExtension_GetNumericProperty( 51 "generic.current_allocated_bytes", &c_bytes_used)); 52 ASSERT_GT(cxx_bytes_used, 1000); 53 ASSERT_EQ(cxx_bytes_used, c_bytes_used); 54 55 ASSERT_TRUE(MallocExtension::instance()->VerifyAllMemory()); 56 ASSERT_TRUE(MallocExtension_VerifyAllMemory()); 57 58 ASSERT_EQ(MallocExtension::kOwned, 59 MallocExtension::instance()->GetOwnership(a)); 60 // TODO(csilvers): this relies on undocumented behavior that 61 // GetOwnership works on stack-allocated variables. Use a better test. 62 ASSERT_EQ(MallocExtension::kNotOwned, 63 MallocExtension::instance()->GetOwnership(&cxx_bytes_used)); 64 ASSERT_EQ(MallocExtension::kNotOwned, 65 MallocExtension::instance()->GetOwnership(NULL)); 66 ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(a), 1000); 67 // This is just a sanity check. If we allocated too much, tcmalloc is broken 68 ASSERT_LE(MallocExtension::instance()->GetAllocatedSize(a), 5000); 69 ASSERT_GE(MallocExtension::instance()->GetEstimatedAllocatedSize(1000), 1000); 70 71 for (int i = 0; i < 10; ++i) { 72 void *p = malloc(i); 73 ASSERT_GE(MallocExtension::instance()->GetAllocatedSize(p), 74 MallocExtension::instance()->GetEstimatedAllocatedSize(i)); 75 free(p); 76 } 77 78 // Check the c-shim version too. 79 ASSERT_EQ(MallocExtension_kOwned, MallocExtension_GetOwnership(a)); 80 ASSERT_EQ(MallocExtension_kNotOwned, 81 MallocExtension_GetOwnership(&cxx_bytes_used)); 82 ASSERT_EQ(MallocExtension_kNotOwned, MallocExtension_GetOwnership(NULL)); 83 ASSERT_GE(MallocExtension_GetAllocatedSize(a), 1000); 84 ASSERT_LE(MallocExtension_GetAllocatedSize(a), 5000); 85 ASSERT_GE(MallocExtension_GetEstimatedAllocatedSize(1000), 1000); 86 87 free(a); 88 89 // Verify that the .cc file and .h file have the same enum values. 90 ASSERT_EQ(static_cast<int>(MallocExtension::kUnknownOwnership), 91 static_cast<int>(MallocExtension_kUnknownOwnership)); 92 ASSERT_EQ(static_cast<int>(MallocExtension::kOwned), 93 static_cast<int>(MallocExtension_kOwned)); 94 ASSERT_EQ(static_cast<int>(MallocExtension::kNotOwned), 95 static_cast<int>(MallocExtension_kNotOwned)); 96 97 printf("DONE\n"); 98 return 0; 99 } 100
