Move DataSourceHost to BufferedDataSourceHost.

content/renderer/media/buffered_data_source_host_impl_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 "content/renderer/media/buffered_data_source_host_impl.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+class BufferedDataSourceHostImplTest : public testing::Test {
+ public:
+  BufferedDataSourceHostImplTest() {}
+
+  void Add() {
+    host_.AddBufferedTimeRanges(&ranges_, base::TimeDelta::FromSeconds(10));
+  }
+
+ protected:
+  BufferedDataSourceHostImpl host_;
+  media::Ranges<base::TimeDelta> ranges_;
+
+  DISALLOW_COPY_AND_ASSIGN(BufferedDataSourceHostImplTest);
+};
+
+TEST_F(BufferedDataSourceHostImplTest, Empty) {
+  EXPECT_FALSE(host_.DidLoadingProgress());
+  Add();
+  EXPECT_EQ(0u, ranges_.size());
+}
+
+TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges) {
+  host_.AddBufferedByteRange(10, 20);
+  host_.SetTotalBytes(100);
+  Add();
+  EXPECT_EQ(1u, ranges_.size());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(1), ranges_.start(0));
+  EXPECT_EQ(base::TimeDelta::FromSeconds(2), ranges_.end(0));
+}
+
+TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges_Merges) {
+  ranges_.Add(base::TimeDelta::FromSeconds(0), base::TimeDelta::FromSeconds(1));
+  host_.AddBufferedByteRange(10, 20);
+  host_.SetTotalBytes(100);
+  Add();
+  EXPECT_EQ(1u, ranges_.size());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(0), ranges_.start(0));
+  EXPECT_EQ(base::TimeDelta::FromSeconds(2), ranges_.end(0));
+}
+
+TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges_Snaps) {
+  host_.AddBufferedByteRange(5, 995);
+  host_.SetTotalBytes(1000);
+  Add();
+  EXPECT_EQ(1u, ranges_.size());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(0), ranges_.start(0));
+  EXPECT_EQ(base::TimeDelta::FromSeconds(10), ranges_.end(0));
+}
+
+TEST_F(BufferedDataSourceHostImplTest, SetTotalBytes) {
+  host_.AddBufferedByteRange(10, 20);
+  Add();
+  EXPECT_EQ(0u, ranges_.size());
+
+  host_.SetTotalBytes(100);
+  Add();
+  EXPECT_EQ(1u, ranges_.size());
+}
+
+TEST_F(BufferedDataSourceHostImplTest, DidLoadingProgress) {
+  host_.AddBufferedByteRange(10, 20);
+  EXPECT_TRUE(host_.DidLoadingProgress());
+  EXPECT_FALSE(host_.DidLoadingProgress());
+}
+
+}  // namespace content