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// Copyright (c) 2012 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 <string>
#include "base/base_paths.h"
#include "base/bind.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/strings/utf_string_conversions.h"
#include "media/base/test_helpers.h"
#include "media/filters/file_data_source.h"
using ::testing::NiceMock;
using ::testing::StrictMock;
namespace media {
class ReadCBHandler {
public:
ReadCBHandler() {}
MOCK_METHOD1(ReadCB, void(int size));
private:
DISALLOW_COPY_AND_ASSIGN(ReadCBHandler);
};
// Returns a path to the test file which contains the string "0123456789"
// without the quotes or any trailing space or null termination. The file lives
// under the media/test/data directory. Under Windows, strings for the
// FilePath class are unicode, and the pipeline wants char strings. Convert
// the string to UTF8 under Windows. For Mac and Linux, file paths are already
// chars so just return the string from the base::FilePath.
base::FilePath TestFileURL() {
base::FilePath data_dir;
EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &data_dir));
data_dir = data_dir.Append(FILE_PATH_LITERAL("media"))
.Append(FILE_PATH_LITERAL("test"))
.Append(FILE_PATH_LITERAL("data"))
.Append(FILE_PATH_LITERAL("ten_byte_file"));
return data_dir;
}
// Use the mock filter host to directly call the Read and GetPosition methods.
TEST(FileDataSourceTest, ReadData) {
int64 size;
uint8 ten_bytes[10];
// Create our mock filter host and initialize the data source.
FileDataSource data_source;
EXPECT_TRUE(data_source.Initialize(TestFileURL()));
EXPECT_TRUE(data_source.GetSize(&size));
EXPECT_EQ(10, size);
ReadCBHandler handler;
EXPECT_CALL(handler, ReadCB(10));
data_source.Read(0, 10, ten_bytes, base::Bind(
&ReadCBHandler::ReadCB, base::Unretained(&handler)));
EXPECT_EQ('0', ten_bytes[0]);
EXPECT_EQ('5', ten_bytes[5]);
EXPECT_EQ('9', ten_bytes[9]);
EXPECT_CALL(handler, ReadCB(1));
data_source.Read(9, 1, ten_bytes, base::Bind(
&ReadCBHandler::ReadCB, base::Unretained(&handler)));
EXPECT_EQ('9', ten_bytes[0]);
EXPECT_CALL(handler, ReadCB(0));
data_source.Read(10, 10, ten_bytes, base::Bind(
&ReadCBHandler::ReadCB, base::Unretained(&handler)));
EXPECT_CALL(handler, ReadCB(5));
data_source.Read(5, 10, ten_bytes, base::Bind(
&ReadCBHandler::ReadCB, base::Unretained(&handler)));
EXPECT_EQ('5', ten_bytes[0]);
data_source.Stop(NewExpectedClosure());
}
} // namespace media
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