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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "media/blink/buffered_data_source_host_impl.h"
      6 #include "testing/gtest/include/gtest/gtest.h"
      7 
      8 namespace media {
      9 
     10 class BufferedDataSourceHostImplTest : public testing::Test {
     11  public:
     12   BufferedDataSourceHostImplTest() {}
     13 
     14   void Add() {
     15     host_.AddBufferedTimeRanges(&ranges_, base::TimeDelta::FromSeconds(10));
     16   }
     17 
     18  protected:
     19   BufferedDataSourceHostImpl host_;
     20   Ranges<base::TimeDelta> ranges_;
     21 
     22   DISALLOW_COPY_AND_ASSIGN(BufferedDataSourceHostImplTest);
     23 };
     24 
     25 TEST_F(BufferedDataSourceHostImplTest, Empty) {
     26   EXPECT_FALSE(host_.DidLoadingProgress());
     27   Add();
     28   EXPECT_EQ(0u, ranges_.size());
     29 }
     30 
     31 TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges) {
     32   host_.AddBufferedByteRange(10, 20);
     33   host_.SetTotalBytes(100);
     34   Add();
     35   EXPECT_EQ(1u, ranges_.size());
     36   EXPECT_EQ(base::TimeDelta::FromSeconds(1), ranges_.start(0));
     37   EXPECT_EQ(base::TimeDelta::FromSeconds(2), ranges_.end(0));
     38 }
     39 
     40 TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges_Merges) {
     41   ranges_.Add(base::TimeDelta::FromSeconds(0), base::TimeDelta::FromSeconds(1));
     42   host_.AddBufferedByteRange(10, 20);
     43   host_.SetTotalBytes(100);
     44   Add();
     45   EXPECT_EQ(1u, ranges_.size());
     46   EXPECT_EQ(base::TimeDelta::FromSeconds(0), ranges_.start(0));
     47   EXPECT_EQ(base::TimeDelta::FromSeconds(2), ranges_.end(0));
     48 }
     49 
     50 TEST_F(BufferedDataSourceHostImplTest, AddBufferedTimeRanges_Snaps) {
     51   host_.AddBufferedByteRange(5, 995);
     52   host_.SetTotalBytes(1000);
     53   Add();
     54   EXPECT_EQ(1u, ranges_.size());
     55   EXPECT_EQ(base::TimeDelta::FromSeconds(0), ranges_.start(0));
     56   EXPECT_EQ(base::TimeDelta::FromSeconds(10), ranges_.end(0));
     57 }
     58 
     59 TEST_F(BufferedDataSourceHostImplTest, SetTotalBytes) {
     60   host_.AddBufferedByteRange(10, 20);
     61   Add();
     62   EXPECT_EQ(0u, ranges_.size());
     63 
     64   host_.SetTotalBytes(100);
     65   Add();
     66   EXPECT_EQ(1u, ranges_.size());
     67 }
     68 
     69 TEST_F(BufferedDataSourceHostImplTest, DidLoadingProgress) {
     70   host_.AddBufferedByteRange(10, 20);
     71   EXPECT_TRUE(host_.DidLoadingProgress());
     72   EXPECT_FALSE(host_.DidLoadingProgress());
     73 }
     74 
     75 }  // namespace media
     76