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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include <windows.h> | |
| 6 #include <winternl.h> | |
| 7 | |
| 8 #include "base/win/scoped_handle.h" | 5 #include "base/win/scoped_handle.h" |
| 9 #include "base/win/windows_version.h" | |
| 10 | 6 |
| 11 #include "testing/gtest/include/gtest/gtest.h" | 7 #include "testing/gtest/include/gtest/gtest.h" |
| 12 | 8 |
| 13 namespace base { | |
| 14 namespace win { | |
| 15 | |
| 16 TEST(ScopedHandleTest, ScopedHandle) { | 9 TEST(ScopedHandleTest, ScopedHandle) { |
| 17 // Any illegal error code will do. We just need to test that it is preserved | 10 // Any illegal error code will do. We just need to test that it is preserved |
| 18 // by ScopedHandle to avoid bug 528394. | 11 // by ScopedHandle to avoid bug 528394. |
| 19 const DWORD magic_error = 0x12345678; | 12 const DWORD magic_error = 0x12345678; |
| 20 | 13 |
| 21 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | 14 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); |
| 22 // Call SetLastError after creating the handle. | 15 // Call SetLastError after creating the handle. |
| 23 ::SetLastError(magic_error); | 16 ::SetLastError(magic_error); |
| 24 base::win::ScopedHandle handle_holder(handle); | 17 base::win::ScopedHandle handle_holder(handle); |
| 25 EXPECT_EQ(magic_error, ::GetLastError()); | 18 EXPECT_EQ(magic_error, ::GetLastError()); |
| 26 | 19 |
| 27 // Create a new handle and then set LastError again. | 20 // Create a new handle and then set LastError again. |
| 28 handle = ::CreateMutex(nullptr, FALSE, nullptr); | 21 handle = ::CreateMutex(nullptr, FALSE, nullptr); |
| 29 ::SetLastError(magic_error); | 22 ::SetLastError(magic_error); |
| 30 handle_holder.Set(handle); | 23 handle_holder.Set(handle); |
| 31 EXPECT_EQ(magic_error, ::GetLastError()); | 24 EXPECT_EQ(magic_error, ::GetLastError()); |
| 32 | 25 |
| 33 // Create a new handle and then set LastError again. | 26 // Create a new handle and then set LastError again. |
| 34 handle = ::CreateMutex(nullptr, FALSE, nullptr); | 27 handle = ::CreateMutex(nullptr, FALSE, nullptr); |
| 35 base::win::ScopedHandle handle_source(handle); | 28 base::win::ScopedHandle handle_source(handle); |
| 36 ::SetLastError(magic_error); | 29 ::SetLastError(magic_error); |
| 37 handle_holder = handle_source.Pass(); | 30 handle_holder = handle_source.Pass(); |
| 38 EXPECT_EQ(magic_error, ::GetLastError()); | 31 EXPECT_EQ(magic_error, ::GetLastError()); |
| 39 } | 32 } |
| 40 | |
| 41 // This test requires that the CloseHandle hook be in place. | |
| 42 #if !defined(DISABLE_HANDLE_VERIFIER_HOOKS) | |
| 43 TEST(ScopedHandleTest, ActiveVerifierCloseTracked) { | |
| 44 #if defined(_DEBUG) | |
| 45 // Handle hooks cause shutdown asserts in Debug on Windows 7. crbug.com/571304 | |
| 46 if (base::win::GetVersion() < base::win::VERSION_WIN8) | |
| 47 return; | |
| 48 #endif | |
| 49 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | |
| 50 ASSERT_NE(HANDLE(NULL), handle); | |
| 51 ASSERT_DEATH({ | |
| 52 base::win::ScopedHandle handle_holder(handle); | |
| 53 // Calling CloseHandle on a tracked handle should crash. | |
| 54 ::CloseHandle(handle); | |
| 55 }, "CloseHandle called on tracked handle."); | |
| 56 } | |
| 57 #endif | |
| 58 | |
| 59 TEST(ScopedHandleTest, ActiveVerifierTrackedHasBeenClosed) { | |
| 60 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | |
| 61 ASSERT_NE(HANDLE(NULL), handle); | |
| 62 typedef NTSTATUS(WINAPI * NtCloseFunc)(HANDLE); | |
| 63 NtCloseFunc ntclose = reinterpret_cast<NtCloseFunc>( | |
| 64 GetProcAddress(GetModuleHandle(L"ntdll.dll"), "NtClose")); | |
| 65 ASSERT_NE(nullptr, ntclose); | |
| 66 | |
| 67 ASSERT_DEATH({ | |
| 68 base::win::ScopedHandle handle_holder(handle); | |
| 69 ntclose(handle); | |
| 70 // Destructing a ScopedHandle with an illegally closed handle should fail. | |
| 71 }, "CloseHandle failed."); | |
| 72 } | |
| 73 | |
| 74 TEST(ScopedHandleTest, ActiveVerifierDoubleTracking) { | |
| 75 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | |
| 76 ASSERT_NE(HANDLE(NULL), handle); | |
| 77 | |
| 78 base::win::ScopedHandle handle_holder(handle); | |
| 79 | |
| 80 ASSERT_DEATH({ | |
| 81 base::win::ScopedHandle handle_holder2(handle); | |
| 82 }, "Attempt to start tracking already tracked handle."); | |
| 83 } | |
| 84 | |
| 85 TEST(ScopedHandleTest, ActiveVerifierWrongOwner) { | |
| 86 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | |
| 87 ASSERT_NE(HANDLE(NULL), handle); | |
| 88 | |
| 89 base::win::ScopedHandle handle_holder(handle); | |
| 90 ASSERT_DEATH({ | |
| 91 base::win::ScopedHandle handle_holder2; | |
| 92 handle_holder2.handle_ = handle; | |
| 93 }, "Attempting to close a handle not owned by opener."); | |
| 94 ASSERT_TRUE(handle_holder.IsValid()); | |
| 95 handle_holder.Close(); | |
| 96 } | |
| 97 | |
| 98 TEST(ScopedHandleTest, ActiveVerifierUntrackedHandle) { | |
| 99 HANDLE handle = ::CreateMutex(nullptr, FALSE, nullptr); | |
| 100 ASSERT_NE(HANDLE(NULL), handle); | |
| 101 | |
| 102 ASSERT_DEATH({ | |
| 103 base::win::ScopedHandle handle_holder; | |
| 104 handle_holder.handle_ = handle; | |
| 105 }, "Attempting to close an untracked handle."); | |
| 106 | |
| 107 ASSERT_TRUE(::CloseHandle(handle)); | |
| 108 } | |
| 109 | |
| 110 } // namespace win | |
| 111 } // namespace base | |
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