iOS: Add resource files for tests and implement OutputPath

webrtc/common_video/libyuv/libyuv_unittest.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 85 matching lines @@
       orig_frame_(),
       width_(352),
       height_(288),
       size_y_(width_ * height_),
       size_uv_(((width_ + 1) / 2) * ((height_ + 1) / 2)),
       frame_length_(CalcBufferSize(kI420, 352, 288)) {
   orig_buffer_.reset(new uint8_t[frame_length_]);
 }
 
 void TestLibYuv::SetUp() {
-  const std::string input_file_name = webrtc::test::ProjectRootPath() +
-                                      "resources/foreman_cif.yuv";
+  const std::string input_file_name = webrtc::test::ResourcePath("foreman_cif",
+                                                                 "yuv");
   source_file_  = fopen(input_file_name.c_str(), "rb");
   ASSERT_TRUE(source_file_ != NULL) << "Cannot read file: "<<
                                        input_file_name << "\n";
 
   EXPECT_EQ(frame_length_,
             fread(orig_buffer_.get(), 1, frame_length_, source_file_));
   EXPECT_EQ(0, orig_frame_.CreateFrame(orig_buffer_.get(),
                                        orig_buffer_.get() + size_y_,
                                        orig_buffer_.get() +
                                        size_y_ + size_uv_,
@@ skipping 222 matching lines @@
   Calc16ByteAlignedStride(width, &stride_y, &stride_uv);
   EXPECT_EQ(128, stride_y);
   EXPECT_EQ(64, stride_uv);
   width = 127;
   Calc16ByteAlignedStride(width, &stride_y, &stride_uv);
   EXPECT_EQ(128, stride_y);
   EXPECT_EQ(64, stride_uv);
 }
 
 }  // namespace webrtc