Move offset_byte_queue.* from media/mp4 to media/common.

media/formats/mp4/offset_byte_queue_unittest.cc

-// Copyright 2014 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 <string.h>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "media/formats/mp4/offset_byte_queue.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace media {
-
-class OffsetByteQueueTest : public testing::Test {
- public:
-  virtual void SetUp() OVERRIDE {
-    uint8 buf[256];
-    for (int i = 0; i < 256; i++) {
-      buf[i] = i;
-    }
-    queue_.reset(new OffsetByteQueue);
-    queue_->Push(buf, sizeof(buf));
-    queue_->Push(buf, sizeof(buf));
-    queue_->Pop(384);
-
-    // Queue will start with 128 bytes of data and an offset of 384 bytes.
-    // These values are used throughout the test.
-  }
-
- protected:
-  scoped_ptr<OffsetByteQueue> queue_;
-};
-
-TEST_F(OffsetByteQueueTest, SetUp) {
-  EXPECT_EQ(384, queue_->head());
-  EXPECT_EQ(512, queue_->tail());
-
-  const uint8* buf;
-  int size;
-
-  queue_->Peek(&buf, &size);
-  EXPECT_EQ(128, size);
-  EXPECT_EQ(128, buf[0]);
-  EXPECT_EQ(255, buf[size-1]);
-}
-
-TEST_F(OffsetByteQueueTest, PeekAt) {
-  const uint8* buf;
-  int size;
-
-  queue_->PeekAt(400, &buf, &size);
-  EXPECT_EQ(queue_->tail() - 400, size);
-  EXPECT_EQ(400 - 256, buf[0]);
-
-  queue_->PeekAt(512, &buf, &size);
-  EXPECT_EQ(NULL, buf);
-  EXPECT_EQ(0, size);
-}
-
-TEST_F(OffsetByteQueueTest, Trim) {
-  EXPECT_TRUE(queue_->Trim(128));
-  EXPECT_TRUE(queue_->Trim(384));
-  EXPECT_EQ(384, queue_->head());
-  EXPECT_EQ(512, queue_->tail());
-
-  EXPECT_TRUE(queue_->Trim(400));
-  EXPECT_EQ(400, queue_->head());
-  EXPECT_EQ(512, queue_->tail());
-
-  const uint8* buf;
-  int size;
-  queue_->PeekAt(400, &buf, &size);
-  EXPECT_EQ(queue_->tail() - 400, size);
-  EXPECT_EQ(400 - 256, buf[0]);
-
-  // Trimming to the exact end of the buffer should return 'true'. This
-  // accomodates EOS cases.
-  EXPECT_TRUE(queue_->Trim(512));
-  EXPECT_EQ(512, queue_->head());
-  queue_->Peek(&buf, &size);
-  EXPECT_EQ(NULL, buf);
-
-  // Trimming past the end of the buffer should return 'false'; we haven't seen
-  // the preceeding bytes.
-  EXPECT_FALSE(queue_->Trim(513));
-
-  // However, doing that shouldn't affect the EOS case. Only adding new data
-  // should alter this behavior.
-  EXPECT_TRUE(queue_->Trim(512));
-}
-
-}  // namespace media