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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 "base/compiler_specific.h" |
| 5 #include "base/logging.h" | 6 #include "base/logging.h" |
| 6 #include "base/bind.h" | |
| 7 #include "base/callback.h" | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "base/macros.h" | 7 #include "base/macros.h" |
| 10 #include "base/strings/string_piece.h" | |
| 11 | 8 |
| 12 #include "testing/gmock/include/gmock/gmock.h" | 9 #include "testing/gmock/include/gmock/gmock.h" |
| 13 #include "testing/gtest/include/gtest/gtest.h" | 10 #include "testing/gtest/include/gtest/gtest.h" |
| 14 | 11 |
| 15 #if defined(OS_POSIX) | 12 #if defined(OS_POSIX) |
| 16 #include <signal.h> | 13 #include <signal.h> |
| 17 #include <unistd.h> | 14 #include <unistd.h> |
| 18 #include "base/posix/eintr_wrapper.h" | 15 #include "base/posix/eintr_wrapper.h" |
| 19 #endif // OS_POSIX | 16 #endif // OS_POSIX |
| 20 | 17 |
| 21 #if defined(OS_LINUX) || defined(OS_ANDROID) | 18 #if defined(OS_LINUX) || defined(OS_ANDROID) |
| 22 #include <ucontext.h> | 19 #include <ucontext.h> |
| 23 #endif | 20 #endif |
| 24 | 21 |
| 25 #if defined(OS_WIN) | 22 #if defined(OS_WIN) |
| 26 #include <excpt.h> | 23 #include <excpt.h> |
| 27 #include <windows.h> | 24 #include <windows.h> |
| 28 #endif // OS_WIN | 25 #endif // OS_WIN |
| 29 | 26 |
| 30 namespace logging { | 27 namespace logging { |
| 31 | 28 |
| 32 namespace { | 29 namespace { |
| 33 | 30 |
| 34 using ::testing::Return; | 31 using ::testing::Return; |
| 35 using ::testing::_; | |
| 36 | 32 |
| 37 // Needs to be global since log assert handlers can't maintain state. | 33 // Needs to be global since log assert handlers can't maintain state. |
| 38 int log_sink_call_count = 0; | 34 int log_sink_call_count = 0; |
| 39 | 35 |
| 40 #if !defined(OFFICIAL_BUILD) || defined(DCHECK_ALWAYS_ON) || !defined(NDEBUG) | 36 #if !defined(OFFICIAL_BUILD) || defined(DCHECK_ALWAYS_ON) || !defined(NDEBUG) |
| 41 void LogSink(const char* file, | 37 void LogSink(const std::string& str) { |
| 42 int line, | |
| 43 const base::StringPiece message, | |
| 44 const base::StringPiece stack_trace) { | |
| 45 ++log_sink_call_count; | 38 ++log_sink_call_count; |
| 46 } | 39 } |
| 47 #endif | 40 #endif |
| 48 | 41 |
| 49 // Class to make sure any manipulations we do to the min log level are | 42 // Class to make sure any manipulations we do to the min log level are |
| 50 // contained (i.e., do not affect other unit tests). | 43 // contained (i.e., do not affect other unit tests). |
| 51 class LogStateSaver { | 44 class LogStateSaver { |
| 52 public: | 45 public: |
| 53 LogStateSaver() : old_min_log_level_(GetMinLogLevel()) {} | 46 LogStateSaver() : old_min_log_level_(GetMinLogLevel()) {} |
| 54 | 47 |
| 55 ~LogStateSaver() { | 48 ~LogStateSaver() { |
| 56 SetMinLogLevel(old_min_log_level_); | 49 SetMinLogLevel(old_min_log_level_); |
| 50 SetLogAssertHandler(NULL); |
| 57 log_sink_call_count = 0; | 51 log_sink_call_count = 0; |
| 58 } | 52 } |
| 59 | 53 |
| 60 private: | 54 private: |
| 61 int old_min_log_level_; | 55 int old_min_log_level_; |
| 62 | 56 |
| 63 DISALLOW_COPY_AND_ASSIGN(LogStateSaver); | 57 DISALLOW_COPY_AND_ASSIGN(LogStateSaver); |
| 64 }; | 58 }; |
| 65 | 59 |
| 66 class LoggingTest : public testing::Test { | 60 class LoggingTest : public testing::Test { |
| 67 private: | 61 private: |
| 68 LogStateSaver log_state_saver_; | 62 LogStateSaver log_state_saver_; |
| 69 }; | 63 }; |
| 70 | 64 |
| 71 class MockLogSource { | 65 class MockLogSource { |
| 72 public: | 66 public: |
| 73 MOCK_METHOD0(Log, const char*()); | 67 MOCK_METHOD0(Log, const char*()); |
| 74 }; | 68 }; |
| 75 | 69 |
| 76 class MockLogAssertHandler { | |
| 77 public: | |
| 78 MOCK_METHOD4( | |
| 79 HandleLogAssert, | |
| 80 void(const char*, int, const base::StringPiece, const base::StringPiece)); | |
| 81 }; | |
| 82 | |
| 83 TEST_F(LoggingTest, BasicLogging) { | 70 TEST_F(LoggingTest, BasicLogging) { |
| 84 MockLogSource mock_log_source; | 71 MockLogSource mock_log_source; |
| 85 EXPECT_CALL(mock_log_source, Log()) | 72 EXPECT_CALL(mock_log_source, Log()) |
| 86 .Times(DCHECK_IS_ON() ? 16 : 8) | 73 .Times(DCHECK_IS_ON() ? 16 : 8) |
| 87 .WillRepeatedly(Return("log message")); | 74 .WillRepeatedly(Return("log message")); |
| 88 | 75 |
| 89 SetMinLogLevel(LOG_INFO); | 76 SetMinLogLevel(LOG_INFO); |
| 90 | 77 |
| 91 EXPECT_TRUE(LOG_IS_ON(INFO)); | 78 EXPECT_TRUE(LOG_IS_ON(INFO)); |
| 92 EXPECT_TRUE((DCHECK_IS_ON() != 0) == DLOG_IS_ON(INFO)); | 79 EXPECT_TRUE((DCHECK_IS_ON() != 0) == DLOG_IS_ON(INFO)); |
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| 203 #define MAYBE_CheckStreamsAreLazy DISABLED_CheckStreamsAreLazy | 190 #define MAYBE_CheckStreamsAreLazy DISABLED_CheckStreamsAreLazy |
| 204 #else | 191 #else |
| 205 #define MAYBE_CheckStreamsAreLazy CheckStreamsAreLazy | 192 #define MAYBE_CheckStreamsAreLazy CheckStreamsAreLazy |
| 206 #endif | 193 #endif |
| 207 TEST_F(LoggingTest, MAYBE_CheckStreamsAreLazy) { | 194 TEST_F(LoggingTest, MAYBE_CheckStreamsAreLazy) { |
| 208 MockLogSource mock_log_source, uncalled_mock_log_source; | 195 MockLogSource mock_log_source, uncalled_mock_log_source; |
| 209 EXPECT_CALL(mock_log_source, Log()).Times(8). | 196 EXPECT_CALL(mock_log_source, Log()).Times(8). |
| 210 WillRepeatedly(Return("check message")); | 197 WillRepeatedly(Return("check message")); |
| 211 EXPECT_CALL(uncalled_mock_log_source, Log()).Times(0); | 198 EXPECT_CALL(uncalled_mock_log_source, Log()).Times(0); |
| 212 | 199 |
| 213 ScopedLogAssertHandler scoped_assert_handler(base::Bind(LogSink)); | 200 SetLogAssertHandler(&LogSink); |
| 214 | 201 |
| 215 CHECK(mock_log_source.Log()) << uncalled_mock_log_source.Log(); | 202 CHECK(mock_log_source.Log()) << uncalled_mock_log_source.Log(); |
| 216 PCHECK(!mock_log_source.Log()) << mock_log_source.Log(); | 203 PCHECK(!mock_log_source.Log()) << mock_log_source.Log(); |
| 217 CHECK_EQ(mock_log_source.Log(), mock_log_source.Log()) | 204 CHECK_EQ(mock_log_source.Log(), mock_log_source.Log()) |
| 218 << uncalled_mock_log_source.Log(); | 205 << uncalled_mock_log_source.Log(); |
| 219 CHECK_NE(mock_log_source.Log(), mock_log_source.Log()) | 206 CHECK_NE(mock_log_source.Log(), mock_log_source.Log()) |
| 220 << mock_log_source.Log(); | 207 << mock_log_source.Log(); |
| 221 } | 208 } |
| 222 | 209 |
| 223 #endif | 210 #endif |
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| 411 #else | 398 #else |
| 412 #define MAYBE_Dcheck Dcheck | 399 #define MAYBE_Dcheck Dcheck |
| 413 #endif | 400 #endif |
| 414 TEST_F(LoggingTest, MAYBE_Dcheck) { | 401 TEST_F(LoggingTest, MAYBE_Dcheck) { |
| 415 #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) | 402 #if defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) |
| 416 // Release build. | 403 // Release build. |
| 417 EXPECT_FALSE(DCHECK_IS_ON()); | 404 EXPECT_FALSE(DCHECK_IS_ON()); |
| 418 EXPECT_FALSE(DLOG_IS_ON(DCHECK)); | 405 EXPECT_FALSE(DLOG_IS_ON(DCHECK)); |
| 419 #elif defined(NDEBUG) && defined(DCHECK_ALWAYS_ON) | 406 #elif defined(NDEBUG) && defined(DCHECK_ALWAYS_ON) |
| 420 // Release build with real DCHECKS. | 407 // Release build with real DCHECKS. |
| 421 ScopedLogAssertHandler scoped_assert_handler(base::Bind(LogSink)); | 408 SetLogAssertHandler(&LogSink); |
| 422 EXPECT_TRUE(DCHECK_IS_ON()); | 409 EXPECT_TRUE(DCHECK_IS_ON()); |
| 423 EXPECT_TRUE(DLOG_IS_ON(DCHECK)); | 410 EXPECT_TRUE(DLOG_IS_ON(DCHECK)); |
| 424 #else | 411 #else |
| 425 // Debug build. | 412 // Debug build. |
| 426 ScopedLogAssertHandler scoped_assert_handler(base::Bind(LogSink)); | 413 SetLogAssertHandler(&LogSink); |
| 427 EXPECT_TRUE(DCHECK_IS_ON()); | 414 EXPECT_TRUE(DCHECK_IS_ON()); |
| 428 EXPECT_TRUE(DLOG_IS_ON(DCHECK)); | 415 EXPECT_TRUE(DLOG_IS_ON(DCHECK)); |
| 429 #endif | 416 #endif |
| 430 | 417 |
| 431 EXPECT_EQ(0, log_sink_call_count); | 418 EXPECT_EQ(0, log_sink_call_count); |
| 432 DCHECK(false); | 419 DCHECK(false); |
| 433 EXPECT_EQ(DCHECK_IS_ON() ? 1 : 0, log_sink_call_count); | 420 EXPECT_EQ(DCHECK_IS_ON() ? 1 : 0, log_sink_call_count); |
| 434 DPCHECK(false); | 421 DPCHECK(false); |
| 435 EXPECT_EQ(DCHECK_IS_ON() ? 2 : 0, log_sink_call_count); | 422 EXPECT_EQ(DCHECK_IS_ON() ? 2 : 0, log_sink_call_count); |
| 436 DCHECK_EQ(0, 1); | 423 DCHECK_EQ(0, 1); |
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| 505 if (false) | 492 if (false) |
| 506 CHECK_EQ(false, true); // Unreached. | 493 CHECK_EQ(false, true); // Unreached. |
| 507 else | 494 else |
| 508 CHECK_EQ(true, reached = true); // Reached, passed. | 495 CHECK_EQ(true, reached = true); // Reached, passed. |
| 509 ASSERT_TRUE(reached); | 496 ASSERT_TRUE(reached); |
| 510 | 497 |
| 511 if (false) | 498 if (false) |
| 512 CHECK_EQ(false, true); // Unreached. | 499 CHECK_EQ(false, true); // Unreached. |
| 513 } | 500 } |
| 514 | 501 |
| 515 TEST_F(LoggingTest, NestedLogAssertHandlers) { | |
| 516 ::testing::InSequence dummy; | |
| 517 ::testing::StrictMock<MockLogAssertHandler> handler_a, handler_b; | |
| 518 | |
| 519 EXPECT_CALL( | |
| 520 handler_a, | |
| 521 HandleLogAssert( | |
| 522 _, _, | |
| 523 base::StringPiece( | |
| 524 "Check failed: false. First assert must be catched by handler_a"), | |
| 525 _)); | |
| 526 EXPECT_CALL( | |
| 527 handler_b, | |
| 528 HandleLogAssert(_, _, | |
| 529 base::StringPiece("Check failed: false. Second assert " | |
| 530 "must be catched by handler_b"), | |
| 531 _)); | |
| 532 EXPECT_CALL( | |
| 533 handler_a, | |
| 534 HandleLogAssert(_, _, | |
| 535 base::StringPiece("Check failed: false. Last assert " | |
| 536 "must be catched by handler_a again"), | |
| 537 _)); | |
| 538 | |
| 539 logging::ScopedLogAssertHandler scoped_handler_a(base::Bind( | |
| 540 &MockLogAssertHandler::HandleLogAssert, base::Unretained(&handler_a))); | |
| 541 | |
| 542 CHECK(false) << "First assert must be catched by handler_a"; | |
| 543 | |
| 544 { | |
| 545 logging::ScopedLogAssertHandler scoped_handler_b(base::Bind( | |
| 546 &MockLogAssertHandler::HandleLogAssert, base::Unretained(&handler_b))); | |
| 547 CHECK(false) << "Second assert must be catched by handler_b"; | |
| 548 } | |
| 549 | |
| 550 CHECK(false) << "Last assert must be catched by handler_a again"; | |
| 551 } | |
| 552 | |
| 553 // Test that defining an operator<< for a type in a namespace doesn't prevent | 502 // Test that defining an operator<< for a type in a namespace doesn't prevent |
| 554 // other code in that namespace from calling the operator<<(ostream, wstring) | 503 // other code in that namespace from calling the operator<<(ostream, wstring) |
| 555 // defined by logging.h. This can fail if operator<<(ostream, wstring) can't be | 504 // defined by logging.h. This can fail if operator<<(ostream, wstring) can't be |
| 556 // found by ADL, since defining another operator<< prevents name lookup from | 505 // found by ADL, since defining another operator<< prevents name lookup from |
| 557 // looking in the global namespace. | 506 // looking in the global namespace. |
| 558 namespace nested_test { | 507 namespace nested_test { |
| 559 class Streamable {}; | 508 class Streamable {}; |
| 560 ALLOW_UNUSED_TYPE std::ostream& operator<<(std::ostream& out, | 509 ALLOW_UNUSED_TYPE std::ostream& operator<<(std::ostream& out, |
| 561 const Streamable&) { | 510 const Streamable&) { |
| 562 return out << "Streamable"; | 511 return out << "Streamable"; |
| 563 } | 512 } |
| 564 TEST_F(LoggingTest, StreamingWstringFindsCorrectOperator) { | 513 TEST_F(LoggingTest, StreamingWstringFindsCorrectOperator) { |
| 565 std::wstring wstr = L"Hello World"; | 514 std::wstring wstr = L"Hello World"; |
| 566 std::ostringstream ostr; | 515 std::ostringstream ostr; |
| 567 ostr << wstr; | 516 ostr << wstr; |
| 568 EXPECT_EQ("Hello World", ostr.str()); | 517 EXPECT_EQ("Hello World", ostr.str()); |
| 569 } | 518 } |
| 570 } // namespace nested_test | 519 } // namespace nested_test |
| 571 | 520 |
| 572 } // namespace | 521 } // namespace |
| 573 | 522 |
| 574 } // namespace logging | 523 } // namespace logging |
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