Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / media / filters / file_data_source_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 <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