| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/sampling_heap_profiler/module_cache.h" |
| #include "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| namespace { |
| |
| class ModuleCacheTest : public ::testing::Test {}; |
| |
| int AFunctionForTest() { |
| return 42; |
| } |
| |
| // Checks that ModuleCache returns the same module instance for |
| // addresses within the module. |
| #if defined(OS_MACOSX) && !defined(OS_IOS) || defined(OS_WIN) |
| #define MAYBE_ModuleCache ModuleCache |
| #define MAYBE_ModulesList ModulesList |
| #else |
| #define MAYBE_ModuleCache DISABLED_ModuleCache |
| #define MAYBE_ModulesList DISABLED_ModulesList |
| #endif |
| TEST_F(ModuleCacheTest, MAYBE_ModuleCache) { |
| uintptr_t ptr1 = reinterpret_cast<uintptr_t>(&AFunctionForTest); |
| uintptr_t ptr2 = ptr1 + 1; |
| ModuleCache cache; |
| const ModuleCache::Module* module1 = cache.GetModuleForAddress(ptr1); |
| const ModuleCache::Module* module2 = cache.GetModuleForAddress(ptr2); |
| EXPECT_EQ(module1, module2); |
| EXPECT_NE(nullptr, module1); |
| EXPECT_GT(module1->GetSize(), 0u); |
| EXPECT_LE(module1->GetBaseAddress(), ptr1); |
| EXPECT_GT(module1->GetBaseAddress() + module1->GetSize(), ptr2); |
| } |
| |
| TEST_F(ModuleCacheTest, MAYBE_ModulesList) { |
| ModuleCache cache; |
| uintptr_t ptr = reinterpret_cast<uintptr_t>(&AFunctionForTest); |
| const ModuleCache::Module* module = cache.GetModuleForAddress(ptr); |
| EXPECT_NE(nullptr, module); |
| EXPECT_EQ(1u, cache.GetModules().size()); |
| EXPECT_EQ(module, cache.GetModules().front()); |
| } |
| |
| TEST_F(ModuleCacheTest, InvalidModule) { |
| ModuleCache cache; |
| EXPECT_EQ(nullptr, cache.GetModuleForAddress(1)); |
| } |
| |
| } // namespace |
| } // namespace base |