text: /*
   *  Copyright (c) 2011 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 "testsupport/frame_writer.h"
  
  #include "gtest/gtest.h"
  #include "testsupport/fileutils.h"
  
  namespace webrtc {
  namespace test {
  
  const std::string kOutputFilename = "temp_outputfile.tmp";
  const int kFrameLength = 1000;
  
  class FrameWriterTest: public testing::Test {
   protected:
    FrameWriterTest() {}
    virtual ~FrameWriterTest() {}
    void SetUp() {
      // Cleanup any previous output file.
      std::remove(kOutputFilename.c_str());
      frame_writer_ = new FrameWriterImpl(kOutputFilename, kFrameLength);
      ASSERT_TRUE(frame_writer_->Init());
    }
    void TearDown() {
      delete frame_writer_;
      // Cleanup the temporary file.
      std::remove(kOutputFilename.c_str());
    }
    FrameWriter* frame_writer_;
  };
  
  TEST_F(FrameWriterTest, InitSuccess) {
    FrameWriterImpl frame_writer(kOutputFilename, kFrameLength);
    ASSERT_TRUE(frame_writer.Init());
    ASSERT_EQ(kFrameLength, frame_writer.FrameLength());
  }
  
  TEST_F(FrameWriterTest, WriteFrame) {
    WebRtc_UWord8 buffer[kFrameLength];
    memset(buffer, 9, kFrameLength);  // Write lots of 9s to the buffer
    bool result = frame_writer_->WriteFrame(buffer);
    ASSERT_TRUE(result);  // success
    // Close the file and verify the size.
    frame_writer_->Close();
    ASSERT_EQ(kFrameLength,
              static_cast<int>(GetFileSize(kOutputFilename)));
  }
  
  TEST_F(FrameWriterTest, WriteFrameUninitialized) {
    WebRtc_UWord8 buffer[3];
    FrameWriterImpl frame_writer(kOutputFilename, kFrameLength);
    ASSERT_FALSE(frame_writer.WriteFrame(buffer));
  }
  
  }  // namespace test
  }  // namespace webrtc
  