henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2011, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #include "talk/base/fileutils.h" |
| 29 | #include "talk/base/gunit.h" |
| 30 | #include "talk/base/logging.h" |
| 31 | #include "talk/base/pathutils.h" |
| 32 | #include "talk/base/stream.h" |
| 33 | #include "talk/base/thread.h" |
| 34 | |
| 35 | namespace talk_base { |
| 36 | |
| 37 | // Test basic logging operation. We should get the INFO log but not the VERBOSE. |
| 38 | // We should restore the correct global state at the end. |
| 39 | TEST(LogTest, SingleStream) { |
| 40 | int sev = LogMessage::GetLogToStream(NULL); |
| 41 | |
| 42 | std::string str; |
| 43 | StringStream stream(str); |
| 44 | LogMessage::AddLogToStream(&stream, LS_INFO); |
| 45 | EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream)); |
| 46 | |
| 47 | LOG(LS_INFO) << "INFO"; |
| 48 | LOG(LS_VERBOSE) << "VERBOSE"; |
| 49 | EXPECT_NE(std::string::npos, str.find("INFO")); |
| 50 | EXPECT_EQ(std::string::npos, str.find("VERBOSE")); |
| 51 | |
| 52 | LogMessage::RemoveLogToStream(&stream); |
| 53 | EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream)); |
| 54 | |
| 55 | EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL)); |
| 56 | } |
| 57 | |
| 58 | // Test using multiple log streams. The INFO stream should get the INFO message, |
| 59 | // the VERBOSE stream should get the INFO and the VERBOSE. |
| 60 | // We should restore the correct global state at the end. |
| 61 | TEST(LogTest, MultipleStreams) { |
| 62 | int sev = LogMessage::GetLogToStream(NULL); |
| 63 | |
| 64 | std::string str1, str2; |
| 65 | StringStream stream1(str1), stream2(str2); |
| 66 | LogMessage::AddLogToStream(&stream1, LS_INFO); |
| 67 | LogMessage::AddLogToStream(&stream2, LS_VERBOSE); |
| 68 | EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream1)); |
| 69 | EXPECT_EQ(LS_VERBOSE, LogMessage::GetLogToStream(&stream2)); |
| 70 | |
| 71 | LOG(LS_INFO) << "INFO"; |
| 72 | LOG(LS_VERBOSE) << "VERBOSE"; |
| 73 | |
| 74 | EXPECT_NE(std::string::npos, str1.find("INFO")); |
| 75 | EXPECT_EQ(std::string::npos, str1.find("VERBOSE")); |
| 76 | EXPECT_NE(std::string::npos, str2.find("INFO")); |
| 77 | EXPECT_NE(std::string::npos, str2.find("VERBOSE")); |
| 78 | |
| 79 | LogMessage::RemoveLogToStream(&stream2); |
| 80 | LogMessage::RemoveLogToStream(&stream1); |
| 81 | EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream2)); |
| 82 | EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream1)); |
| 83 | |
| 84 | EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL)); |
| 85 | } |
| 86 | |
| 87 | // Ensure we don't crash when adding/removing streams while threads are going. |
| 88 | // We should restore the correct global state at the end. |
| 89 | class LogThread : public Thread { |
wu@webrtc.org | e5b4910 | 2013-10-18 16:27:26 +0000 | [diff] [blame] | 90 | public: |
| 91 | virtual ~LogThread() { |
| 92 | Stop(); |
| 93 | } |
| 94 | |
| 95 | private: |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 96 | void Run() { |
| 97 | // LS_SENSITIVE to avoid cluttering up any real logging going on |
| 98 | LOG(LS_SENSITIVE) << "LOG"; |
| 99 | } |
| 100 | }; |
| 101 | |
| 102 | TEST(LogTest, MultipleThreads) { |
| 103 | int sev = LogMessage::GetLogToStream(NULL); |
| 104 | |
| 105 | LogThread thread1, thread2, thread3; |
| 106 | thread1.Start(); |
| 107 | thread2.Start(); |
| 108 | thread3.Start(); |
| 109 | |
| 110 | NullStream stream1, stream2, stream3; |
| 111 | for (int i = 0; i < 1000; ++i) { |
| 112 | LogMessage::AddLogToStream(&stream1, LS_INFO); |
| 113 | LogMessage::AddLogToStream(&stream2, LS_VERBOSE); |
| 114 | LogMessage::AddLogToStream(&stream3, LS_SENSITIVE); |
| 115 | LogMessage::RemoveLogToStream(&stream1); |
| 116 | LogMessage::RemoveLogToStream(&stream2); |
| 117 | LogMessage::RemoveLogToStream(&stream3); |
| 118 | } |
| 119 | |
| 120 | EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL)); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | TEST(LogTest, WallClockStartTime) { |
| 125 | uint32 time = LogMessage::WallClockStartTime(); |
| 126 | // Expect the time to be in a sensible range, e.g. > 2012-01-01. |
| 127 | EXPECT_GT(time, 1325376000u); |
| 128 | } |
| 129 | |
| 130 | // Test the time required to write 1000 80-character logs to an unbuffered file. |
| 131 | TEST(LogTest, Perf) { |
| 132 | Pathname path; |
| 133 | EXPECT_TRUE(Filesystem::GetTemporaryFolder(path, true, NULL)); |
| 134 | path.SetPathname(Filesystem::TempFilename(path, "ut")); |
| 135 | |
| 136 | FileStream stream; |
| 137 | EXPECT_TRUE(stream.Open(path.pathname(), "wb", NULL)); |
| 138 | stream.DisableBuffering(); |
| 139 | LogMessage::AddLogToStream(&stream, LS_SENSITIVE); |
| 140 | |
| 141 | uint32 start = Time(), finish; |
| 142 | std::string message('X', 80); |
| 143 | for (int i = 0; i < 1000; ++i) { |
| 144 | LOG(LS_SENSITIVE) << message; |
| 145 | } |
| 146 | finish = Time(); |
| 147 | |
| 148 | LogMessage::RemoveLogToStream(&stream); |
| 149 | stream.Close(); |
| 150 | Filesystem::DeleteFile(path); |
| 151 | |
| 152 | LOG(LS_INFO) << "Average log time: " << TimeDiff(finish, start) << " us"; |
| 153 | } |
| 154 | |
| 155 | } // namespace talk_base |