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 <string> 6 7 #include "base/base_paths.h" 8 #include "base/bind.h" 9 #include "base/files/file_path.h" 10 #include "base/path_service.h" 11 #include "base/strings/utf_string_conversions.h" 12 #include "media/base/test_helpers.h" 13 #include "media/filters/file_data_source.h" 14 15 using ::testing::NiceMock; 16 using ::testing::StrictMock; 17 18 namespace media { 19 20 class ReadCBHandler { 21 public: 22 ReadCBHandler() {} 23 24 MOCK_METHOD1(ReadCB, void(int size)); 25 26 private: 27 DISALLOW_COPY_AND_ASSIGN(ReadCBHandler); 28 }; 29 30 // Returns a path to the test file which contains the string "0123456789" 31 // without the quotes or any trailing space or null termination. The file lives 32 // under the media/test/data directory. Under Windows, strings for the 33 // FilePath class are unicode, and the pipeline wants char strings. Convert 34 // the string to UTF8 under Windows. For Mac and Linux, file paths are already 35 // chars so just return the string from the base::FilePath. 36 base::FilePath TestFileURL() { 37 base::FilePath data_dir; 38 EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &data_dir)); 39 data_dir = data_dir.Append(FILE_PATH_LITERAL("media")) 40 .Append(FILE_PATH_LITERAL("test")) 41 .Append(FILE_PATH_LITERAL("data")) 42 .Append(FILE_PATH_LITERAL("ten_byte_file")); 43 return data_dir; 44 } 45 46 // Use the mock filter host to directly call the Read and GetPosition methods. 47 TEST(FileDataSourceTest, ReadData) { 48 int64 size; 49 uint8 ten_bytes[10]; 50 51 // Create our mock filter host and initialize the data source. 52 FileDataSource data_source; 53 54 EXPECT_TRUE(data_source.Initialize(TestFileURL())); 55 EXPECT_TRUE(data_source.GetSize(&size)); 56 EXPECT_EQ(10, size); 57 58 ReadCBHandler handler; 59 EXPECT_CALL(handler, ReadCB(10)); 60 data_source.Read(0, 10, ten_bytes, base::Bind( 61 &ReadCBHandler::ReadCB, base::Unretained(&handler))); 62 EXPECT_EQ('0', ten_bytes[0]); 63 EXPECT_EQ('5', ten_bytes[5]); 64 EXPECT_EQ('9', ten_bytes[9]); 65 66 EXPECT_CALL(handler, ReadCB(1)); 67 data_source.Read(9, 1, ten_bytes, base::Bind( 68 &ReadCBHandler::ReadCB, base::Unretained(&handler))); 69 EXPECT_EQ('9', ten_bytes[0]); 70 71 EXPECT_CALL(handler, ReadCB(0)); 72 data_source.Read(10, 10, ten_bytes, base::Bind( 73 &ReadCBHandler::ReadCB, base::Unretained(&handler))); 74 75 EXPECT_CALL(handler, ReadCB(5)); 76 data_source.Read(5, 10, ten_bytes, base::Bind( 77 &ReadCBHandler::ReadCB, base::Unretained(&handler))); 78 EXPECT_EQ('5', ten_bytes[0]); 79 80 data_source.Stop(); 81 } 82 83 } // namespace media 84