Revert of Add optional visualization file writers to VideoProcessor tests.

webrtc/test/testsupport/y4m_frame_writer_unittest.cc

-/*
- *  Copyright (c) 2017 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 <memory>
-#include <string>
-
-#include "webrtc/test/gtest.h"
-#include "webrtc/test/testsupport/fileutils.h"
-#include "webrtc/test/testsupport/frame_writer.h"
-
-namespace webrtc {
-namespace test {
-
-namespace {
-const size_t kFrameWidth = 50;
-const size_t kFrameHeight = 20;
-const size_t kFrameLength = 3 * kFrameWidth * kFrameHeight / 2;  // I420.
-const size_t kFrameRate = 30;
-
-const std::string kFileHeader = "YUV4MPEG2 W50 H20 F30:1 C420\n";
-const std::string kFrameHeader = "FRAME\n";
-}  // namespace
-
-class Y4mFrameWriterTest : public testing::Test {
- protected:
-  Y4mFrameWriterTest() = default;
-  ~Y4mFrameWriterTest() override = default;
-
-  void SetUp() override {
-    temp_filename_ = webrtc::test::TempFilename(webrtc::test::OutputPath(),
-                                                "y4m_frame_writer_unittest");
-    frame_writer_.reset(new Y4mFrameWriterImpl(temp_filename_, kFrameWidth,
-                                               kFrameHeight, kFrameRate));
-    ASSERT_TRUE(frame_writer_->Init());
-  }
-
-  void TearDown() override { remove(temp_filename_.c_str()); }
-
-  std::unique_ptr<FrameWriter> frame_writer_;
-  std::string temp_filename_;
-};
-
-TEST_F(Y4mFrameWriterTest, InitSuccess) {}
-
-TEST_F(Y4mFrameWriterTest, FrameLength) {
-  EXPECT_EQ(kFrameLength, frame_writer_->FrameLength());
-}
-
-TEST_F(Y4mFrameWriterTest, WriteFrame) {
-  uint8_t buffer[kFrameLength];
-  memset(buffer, 9, kFrameLength);  // Write lots of 9s to the buffer.
-  bool result = frame_writer_->WriteFrame(buffer);
-  ASSERT_TRUE(result);
-  result = frame_writer_->WriteFrame(buffer);
-  ASSERT_TRUE(result);
-
-  frame_writer_->Close();
-  EXPECT_EQ(kFileHeader.size() + 2 * kFrameHeader.size() + 2 * kFrameLength,
-            GetFileSize(temp_filename_));
-}
-
-TEST_F(Y4mFrameWriterTest, WriteFrameUninitialized) {
-  uint8_t buffer[kFrameLength];
-  Y4mFrameWriterImpl frame_writer(temp_filename_, kFrameWidth, kFrameHeight,
-                                  kFrameRate);
-  EXPECT_FALSE(frame_writer.WriteFrame(buffer));
-}
-
-}  // namespace test
-}  // namespace webrtc