src/media/filters/blocking_url_protocol_unittest.cc

   1 // Copyright (c) 2012 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 "base/bind.h"
   6 #include "base/files/file_path.h"
   7 #include "base/synchronization/waitable_event.h"
   8 #include "media/base/test_data_util.h"
   9 #include "media/ffmpeg/ffmpeg_common.h"
  10 #include "media/filters/blocking_url_protocol.h"
  11 #include "media/filters/file_data_source.h"
  12 #include "testing/gmock/include/gmock/gmock.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace media {
  16
  17 class BlockingUrlProtocolTest : public testing::Test {
  18  public:
  19   BlockingUrlProtocolTest()
  20       : url_protocol_(&data_source_,
  21                       base::Bind(&BlockingUrlProtocolTest::OnDataSourceError,
  22                                  base::Unretained(this))) {
  23     CHECK(data_source_.Initialize(GetTestDataFilePath("bear-320x240.webm")));
  24   }
  25
  26   virtual ~BlockingUrlProtocolTest() {
  27     base::WaitableEvent stop_event(false, false);
  28     data_source_.Stop(base::Bind(
  29         &base::WaitableEvent::Signal, base::Unretained(&stop_event)));
  30     stop_event.Wait();
  31   }
  32
  33   MOCK_METHOD0(OnDataSourceError, void());
  34
  35   FileDataSource data_source_;
  36   BlockingUrlProtocol url_protocol_;
  37
  38  private:
  39   DISALLOW_COPY_AND_ASSIGN(BlockingUrlProtocolTest);
  40 };
  41
  42
  43 TEST_F(BlockingUrlProtocolTest, Read) {
  44   // Set read head to zero as Initialize() will have parsed a bit of the file.
  45   int64 position = 0;
  46   EXPECT_TRUE(url_protocol_.SetPosition(0));
  47   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  48   EXPECT_EQ(0, position);
  49
  50   // Read 32 bytes from offset zero and verify position.
  51   uint8 buffer[32];
  52   EXPECT_EQ(32, url_protocol_.Read(32, buffer));
  53   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  54   EXPECT_EQ(32, position);
  55
  56   // Read an additional 32 bytes and verify position.
  57   EXPECT_EQ(32, url_protocol_.Read(32, buffer));
  58   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  59   EXPECT_EQ(64, position);
  60
  61   // Seek to end and read until EOF.
  62   int64 size = 0;
  63   EXPECT_TRUE(url_protocol_.GetSize(&size));
  64   EXPECT_TRUE(url_protocol_.SetPosition(size - 48));
  65   EXPECT_EQ(32, url_protocol_.Read(32, buffer));
  66   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  67   EXPECT_EQ(size - 16, position);
  68
  69   EXPECT_EQ(16, url_protocol_.Read(32, buffer));
  70   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  71   EXPECT_EQ(size, position);
  72
  73   EXPECT_EQ(0, url_protocol_.Read(32, buffer));
  74   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  75   EXPECT_EQ(size, position);
  76 }
  77
  78 TEST_F(BlockingUrlProtocolTest, ReadError) {
  79   data_source_.force_read_errors_for_testing();
  80
  81   uint8 buffer[32];
  82   EXPECT_CALL(*this, OnDataSourceError());
  83   EXPECT_EQ(AVERROR(EIO), url_protocol_.Read(32, buffer));
  84 }
  85
  86 TEST_F(BlockingUrlProtocolTest, GetSetPosition) {
  87   int64 size;
  88   int64 position;
  89   EXPECT_TRUE(url_protocol_.GetSize(&size));
  90   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  91
  92   EXPECT_TRUE(url_protocol_.SetPosition(512));
  93   EXPECT_FALSE(url_protocol_.SetPosition(size + 1));
  94   EXPECT_FALSE(url_protocol_.SetPosition(-1));
  95   EXPECT_TRUE(url_protocol_.GetPosition(&position));
  96   EXPECT_EQ(512, position);
  97
  98   EXPECT_TRUE(url_protocol_.SetPosition(size));
  99   EXPECT_TRUE(url_protocol_.GetPosition(&position));
 100   EXPECT_EQ(size, position);
 101 }
 102
 103 TEST_F(BlockingUrlProtocolTest, GetSize) {
 104   int64 data_source_size = 0;
 105   int64 url_protocol_size = 0;
 106   EXPECT_TRUE(data_source_.GetSize(&data_source_size));
 107   EXPECT_TRUE(url_protocol_.GetSize(&url_protocol_size));
 108   EXPECT_NE(0, data_source_size);
 109   EXPECT_EQ(data_source_size, url_protocol_size);
 110 }
 111
 112 TEST_F(BlockingUrlProtocolTest, IsStreaming) {
 113   EXPECT_FALSE(data_source_.IsStreaming());
 114   EXPECT_FALSE(url_protocol_.IsStreaming());
 115
 116   data_source_.force_streaming_for_testing();
 117   EXPECT_TRUE(data_source_.IsStreaming());
 118   EXPECT_TRUE(url_protocol_.IsStreaming());
 119 }
 120
 121 }  // namespace media