chrome/renderer/media/chrome_webrtc_log_message_delegate_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <string>
   6
   7 #include "base/process/process_handle.h"
   8 #include "chrome/common/partial_circular_buffer.h"
   9 #include "chrome/renderer/media/chrome_webrtc_log_message_delegate.h"
  10 #include "chrome/renderer/media/mock_webrtc_logging_message_filter.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 TEST(ChromeWebRtcLogMessageDelegateTest, Basic) {
  14   const char kTestString[] = "abcdefghijklmnopqrstuvwxyz";
  15
  16   base::MessageLoopForIO message_loop;
  17
  18   scoped_refptr<MockWebRtcLoggingMessageFilter> log_message_filter(
  19       new MockWebRtcLoggingMessageFilter(message_loop.message_loop_proxy()));
  20
  21   scoped_ptr<ChromeWebRtcLogMessageDelegate> log_message_delegate(
  22       new ChromeWebRtcLogMessageDelegate(message_loop.message_loop_proxy(),
  23                                          log_message_filter));
  24
  25   log_message_delegate->OnStartLogging();
  26
  27   // These log messages should be added to the log buffer.
  28   log_message_delegate->LogMessage(kTestString);
  29   log_message_delegate->LogMessage(kTestString);
  30
  31   log_message_delegate->OnStopLogging();
  32
  33   // This log message should not be added to the log buffer.
  34   log_message_delegate->LogMessage(kTestString);
  35
  36   // Size is calculated as (sizeof(kTestString) - 1 for terminating null
  37   // + 1 for eol added for each log message in LogMessage) * 2.
  38   const uint32 kExpectedSize = sizeof(kTestString) * 2;
  39   EXPECT_EQ(kExpectedSize, log_message_filter->log_buffer_.size());
  40
  41   std::string ref_output = kTestString;
  42   ref_output.append("\n");
  43   ref_output.append(kTestString);
  44   ref_output.append("\n");
  45   EXPECT_STREQ(ref_output.c_str(), log_message_filter->log_buffer_.c_str());
  46 }