| // Copyright 2013 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "syzygy/agent/common/dll_notifications.h" |
| |
| #include "base/bind.h" |
| #include "base/files/file_path.h" |
| #include "gmock/gmock.h" |
| #include "gtest/gtest.h" |
| #include "syzygy/core/unittest_util.h" |
| |
| namespace agent { |
| namespace common { |
| |
| namespace { |
| |
| using testing::_; |
| using testing::Eq; |
| |
| class NotificationReceiver { |
| public: |
| MOCK_METHOD5(OnNotification, |
| void(DllNotificationWatcher::EventType type, |
| HMODULE module, |
| size_t module_size, |
| const base::StringPiece16& dll_path, |
| const base::StringPiece16& dll_base_name)); |
| }; |
| |
| class DllNotificationWatcherTest : public testing::Test { |
| public: |
| DllNotificationWatcherTest() : test_dll_(NULL) { |
| } |
| |
| virtual void SetUp() OVERRIDE { |
| test_dll_path_ = testing::GetExeRelativePath(L"test_dll.dll"); |
| } |
| |
| virtual void TearDown() OVERRIDE { |
| if (test_dll_ != NULL) { |
| ::FreeLibrary(test_dll_); |
| } |
| } |
| |
| void LoadTestDll() { |
| test_dll_ = ::LoadLibrary(test_dll_path_.value().c_str()); |
| ASSERT_NE(static_cast<HMODULE>(NULL), test_dll_); |
| } |
| |
| void UnloadTestDll() { |
| ASSERT_NE(static_cast<HMODULE>(NULL), test_dll_); |
| ASSERT_TRUE(::FreeLibrary(test_dll_)); |
| test_dll_ = NULL; |
| } |
| |
| testing::StrictMock<NotificationReceiver> receiver_; |
| base::FilePath test_dll_path_; |
| HMODULE test_dll_; |
| }; |
| |
| } // namespace |
| |
| TEST_F(DllNotificationWatcherTest, Init) { |
| DllNotificationWatcher watcher; |
| |
| ASSERT_TRUE(watcher.Init( |
| base::Bind(&NotificationReceiver::OnNotification, |
| base::Unretained(&receiver_)))); |
| |
| |
| // We expect DLL load notifications for test_dll_ and its import dependency. |
| EXPECT_CALL(receiver_, |
| OnNotification(DllNotificationWatcher::kDllLoaded, |
| _, _, |
| testing::Eq(test_dll_path_.value()), |
| testing::Eq(test_dll_path_.BaseName().value()))); |
| EXPECT_CALL(receiver_, |
| OnNotification(DllNotificationWatcher::kDllLoaded, |
| _, _, |
| _, |
| testing::Eq(L"export_dll.dll"))); |
| |
| // Load the DLL. |
| ASSERT_NO_FATAL_FAILURE(LoadTestDll()); |
| |
| // Now we should see unload notification for the same DLLs. |
| EXPECT_CALL(receiver_, |
| OnNotification(DllNotificationWatcher::kDllUnloaded, |
| _, _, |
| testing::Eq(test_dll_path_.value()), |
| testing::Eq(test_dll_path_.BaseName().value()))); |
| EXPECT_CALL(receiver_, |
| OnNotification(DllNotificationWatcher::kDllUnloaded, |
| _, _, |
| _, |
| testing::Eq(L"export_dll.dll"))); |
| UnloadTestDll(); |
| } |
| |
| TEST_F(DllNotificationWatcherTest, Reset) { |
| DllNotificationWatcher watcher; |
| |
| ASSERT_TRUE(watcher.Init( |
| base::Bind(&NotificationReceiver::OnNotification, |
| base::Unretained(&receiver_)))); |
| // Reset the watcher - this should unregister, and we should get no callbacks. |
| watcher.Reset(); |
| |
| // We should get no notifications after resetting. |
| ASSERT_NO_FATAL_FAILURE(LoadTestDll()); |
| UnloadTestDll(); |
| } |
| |
| TEST_F(DllNotificationWatcherTest, ResetOnDeletion) { |
| { |
| DllNotificationWatcher watcher; |
| |
| ASSERT_TRUE(watcher.Init( |
| base::Bind(&NotificationReceiver::OnNotification, |
| base::Unretained(&receiver_)))); |
| } |
| |
| // We should get no notifications after the instance goes out of scope. |
| // We should get no notifications after resetting. |
| ASSERT_NO_FATAL_FAILURE(LoadTestDll()); |
| UnloadTestDll(); |
| } |
| |
| } // namespace common |
| } // namespace agent |