Revert of Add optional visualization file writers to VideoProcessor tests.

webrtc/test/testsupport/frame_reader_unittest.cc

+/*
+ *  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 "webrtc/test/testsupport/frame_reader.h"
+
+#include "webrtc/api/video/i420_buffer.h"
+#include "webrtc/test/gtest.h"
+#include "webrtc/test/testsupport/fileutils.h"
+
+namespace webrtc {
+namespace test {
+
+const std::string kInputFileContents = "baz";
+const size_t kFrameLength = 3;
+
+class FrameReaderTest: public testing::Test {
+ protected:
+  FrameReaderTest() {}
+  virtual ~FrameReaderTest() {}
+  void SetUp() {
+    // Create a dummy input file.
+    temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
+                                                "frame_reader_unittest");
+    FILE* dummy = fopen(temp_filename_.c_str(), "wb");
+    fprintf(dummy, "%s", kInputFileContents.c_str());
+    fclose(dummy);
+
+    frame_reader_ = new FrameReaderImpl(temp_filename_, 1, 1);
+    ASSERT_TRUE(frame_reader_->Init());
+  }
+  void TearDown() {
+    delete frame_reader_;
+    // Cleanup the dummy input file.
+    remove(temp_filename_.c_str());
+  }
+  FrameReader* frame_reader_;
+  std::string temp_filename_;
+};
+
+TEST_F(FrameReaderTest, InitSuccess) {
+  FrameReaderImpl frame_reader(temp_filename_, 1, 1);
+  ASSERT_TRUE(frame_reader.Init());
+  ASSERT_EQ(kFrameLength, frame_reader.FrameLength());
+  ASSERT_EQ(1, frame_reader.NumberOfFrames());
+}
+
+TEST_F(FrameReaderTest, ReadFrame) {
+  rtc::scoped_refptr<VideoFrameBuffer> buffer;
+  buffer = frame_reader_->ReadFrame();
+  ASSERT_TRUE(buffer);
+  ASSERT_EQ(kInputFileContents[0], buffer->DataY()[0]);
+  ASSERT_EQ(kInputFileContents[1], buffer->DataU()[0]);
+  ASSERT_EQ(kInputFileContents[2], buffer->DataV()[0]);
+  ASSERT_FALSE(frame_reader_->ReadFrame());  // End of file
+}
+
+TEST_F(FrameReaderTest, ReadFrameUninitialized) {
+  FrameReaderImpl file_reader(temp_filename_, 1, 1);
+  ASSERT_FALSE(file_reader.ReadFrame());
+}
+
+}  // namespace test
+}  // namespace webrtc