Move screen capturers from remoting/capturer to media/video/capturer/screen

remoting/capturer/differ_block_unittest.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/memory/ref_counted.h"
-#include "remoting/capturer/differ_block.h"
-#include "testing/gmock/include/gmock/gmock.h"
-
-namespace remoting {
-
-// Run 900 times to mimic 1280x720.
-// TODO(fbarchard): Remove benchmark once performance is non-issue.
-static const int kTimesToRun = 900;
-
-static void GenerateData(uint8* data, int size) {
-  for (int i = 0; i < size; ++i) {
-    data[i] = i;
-  }
-}
-
-// Memory buffer large enough for 2 blocks aligned to 16 bytes.
-static const int kSizeOfBlock = kBlockSize * kBlockSize * kBytesPerPixel;
-uint8 block_buffer[kSizeOfBlock * 2 + 16];
-
-void PrepareBuffers(uint8* &block1, uint8* &block2) {
-  block1 = reinterpret_cast<uint8*>
-      ((reinterpret_cast<uintptr_t>(&block_buffer[0]) + 15) & ~15);
-  GenerateData(block1, kSizeOfBlock);
-  block2 = block1 + kSizeOfBlock;
-  memcpy(block2, block1, kSizeOfBlock);
-}
-
-TEST(BlockDifferenceTestSame, BlockDifference) {
-  uint8* block1;
-  uint8* block2;
-  PrepareBuffers(block1, block2);
-
-  // These blocks should match.
-  for (int i = 0; i < kTimesToRun; ++i) {
-    int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
-    EXPECT_EQ(0, result);
-  }
-}
-
-TEST(BlockDifferenceTestLast, BlockDifference) {
-  uint8* block1;
-  uint8* block2;
-  PrepareBuffers(block1, block2);
-  block2[kSizeOfBlock-2] += 1;
-
-  for (int i = 0; i < kTimesToRun; ++i) {
-    int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
-    EXPECT_EQ(1, result);
-  }
-}
-
-TEST(BlockDifferenceTestMid, BlockDifference) {
-  uint8* block1;
-  uint8* block2;
-  PrepareBuffers(block1, block2);
-  block2[kSizeOfBlock/2+1] += 1;
-
-  for (int i = 0; i < kTimesToRun; ++i) {
-    int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
-    EXPECT_EQ(1, result);
-  }
-}
-
-TEST(BlockDifferenceTestFirst, BlockDifference) {
-  uint8* block1;
-  uint8* block2;
-  PrepareBuffers(block1, block2);
-  block2[0] += 1;
-
-  for (int i = 0; i < kTimesToRun; ++i) {
-    int result = BlockDifference(block1, block2, kBlockSize * kBytesPerPixel);
-    EXPECT_EQ(1, result);
-  }
-}
-
-}  // namespace remoting