Adds a modified copy of talk/base to webrtc/base. It is the first step in
migrating talk/base to webrtc/base.
BUG=N/A
R=niklas.enbom@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/17479005
git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/webrtc/base/logging_unittest.cc b/webrtc/base/logging_unittest.cc
new file mode 100644
index 0000000..59630d7
--- /dev/null
+++ b/webrtc/base/logging_unittest.cc
@@ -0,0 +1,138 @@
+/*
+ * Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "webrtc/base/fileutils.h"
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/logging.h"
+#include "webrtc/base/pathutils.h"
+#include "webrtc/base/stream.h"
+#include "webrtc/base/thread.h"
+
+namespace rtc {
+
+// Test basic logging operation. We should get the INFO log but not the VERBOSE.
+// We should restore the correct global state at the end.
+TEST(LogTest, SingleStream) {
+ int sev = LogMessage::GetLogToStream(NULL);
+
+ std::string str;
+ StringStream stream(str);
+ LogMessage::AddLogToStream(&stream, LS_INFO);
+ EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream));
+
+ LOG(LS_INFO) << "INFO";
+ LOG(LS_VERBOSE) << "VERBOSE";
+ EXPECT_NE(std::string::npos, str.find("INFO"));
+ EXPECT_EQ(std::string::npos, str.find("VERBOSE"));
+
+ LogMessage::RemoveLogToStream(&stream);
+ EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream));
+
+ EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+}
+
+// Test using multiple log streams. The INFO stream should get the INFO message,
+// the VERBOSE stream should get the INFO and the VERBOSE.
+// We should restore the correct global state at the end.
+TEST(LogTest, MultipleStreams) {
+ int sev = LogMessage::GetLogToStream(NULL);
+
+ std::string str1, str2;
+ StringStream stream1(str1), stream2(str2);
+ LogMessage::AddLogToStream(&stream1, LS_INFO);
+ LogMessage::AddLogToStream(&stream2, LS_VERBOSE);
+ EXPECT_EQ(LS_INFO, LogMessage::GetLogToStream(&stream1));
+ EXPECT_EQ(LS_VERBOSE, LogMessage::GetLogToStream(&stream2));
+
+ LOG(LS_INFO) << "INFO";
+ LOG(LS_VERBOSE) << "VERBOSE";
+
+ EXPECT_NE(std::string::npos, str1.find("INFO"));
+ EXPECT_EQ(std::string::npos, str1.find("VERBOSE"));
+ EXPECT_NE(std::string::npos, str2.find("INFO"));
+ EXPECT_NE(std::string::npos, str2.find("VERBOSE"));
+
+ LogMessage::RemoveLogToStream(&stream2);
+ LogMessage::RemoveLogToStream(&stream1);
+ EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream2));
+ EXPECT_EQ(LogMessage::NO_LOGGING, LogMessage::GetLogToStream(&stream1));
+
+ EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+}
+
+// Ensure we don't crash when adding/removing streams while threads are going.
+// We should restore the correct global state at the end.
+class LogThread : public Thread {
+ public:
+ virtual ~LogThread() {
+ Stop();
+ }
+
+ private:
+ void Run() {
+ // LS_SENSITIVE to avoid cluttering up any real logging going on
+ LOG(LS_SENSITIVE) << "LOG";
+ }
+};
+
+TEST(LogTest, MultipleThreads) {
+ int sev = LogMessage::GetLogToStream(NULL);
+
+ LogThread thread1, thread2, thread3;
+ thread1.Start();
+ thread2.Start();
+ thread3.Start();
+
+ NullStream stream1, stream2, stream3;
+ for (int i = 0; i < 1000; ++i) {
+ LogMessage::AddLogToStream(&stream1, LS_INFO);
+ LogMessage::AddLogToStream(&stream2, LS_VERBOSE);
+ LogMessage::AddLogToStream(&stream3, LS_SENSITIVE);
+ LogMessage::RemoveLogToStream(&stream1);
+ LogMessage::RemoveLogToStream(&stream2);
+ LogMessage::RemoveLogToStream(&stream3);
+ }
+
+ EXPECT_EQ(sev, LogMessage::GetLogToStream(NULL));
+}
+
+
+TEST(LogTest, WallClockStartTime) {
+ uint32 time = LogMessage::WallClockStartTime();
+ // Expect the time to be in a sensible range, e.g. > 2012-01-01.
+ EXPECT_GT(time, 1325376000u);
+}
+
+// Test the time required to write 1000 80-character logs to an unbuffered file.
+TEST(LogTest, Perf) {
+ Pathname path;
+ EXPECT_TRUE(Filesystem::GetTemporaryFolder(path, true, NULL));
+ path.SetPathname(Filesystem::TempFilename(path, "ut"));
+
+ FileStream stream;
+ EXPECT_TRUE(stream.Open(path.pathname(), "wb", NULL));
+ stream.DisableBuffering();
+ LogMessage::AddLogToStream(&stream, LS_SENSITIVE);
+
+ uint32 start = Time(), finish;
+ std::string message('X', 80);
+ for (int i = 0; i < 1000; ++i) {
+ LOG(LS_SENSITIVE) << message;
+ }
+ finish = Time();
+
+ LogMessage::RemoveLogToStream(&stream);
+ stream.Close();
+ Filesystem::DeleteFile(path);
+
+ LOG(LS_INFO) << "Average log time: " << TimeDiff(finish, start) << " us";
+}
+
+} // namespace rtc