114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/*
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Copyright (C) 2003, 2011, Michael Pruett. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. The name of the author may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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This program tests seeking within an audio file.
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*/
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#include <audiofile.h>
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#include <gtest/gtest.h>
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#include <stdlib.h>
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#include <string>
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#include <unistd.h>
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#include "TestUtilities.h"
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TEST(Seek, Seek)
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{
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std::string testFileName;
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ASSERT_TRUE(createTemporaryFile("Seek", &testFileName));
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const int kFrameCount = 2000;
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const int kPadFrameCount = kFrameCount + 5;
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const int kDataLength = kFrameCount * sizeof (int16_t);
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int16_t data[kFrameCount];
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int16_t readData[kPadFrameCount];
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AFfilesetup setup = afNewFileSetup();
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ASSERT_TRUE(setup);
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afInitFileFormat(setup, AF_FILE_AIFF);
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afInitChannels(setup, AF_DEFAULT_TRACK, 1);
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AFfilehandle file = afOpenFile(testFileName.c_str(), "w", setup);
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ASSERT_TRUE(file) << "could not open file for writing";
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afFreeFileSetup(setup);
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/* Initialize data to a nontrivial test pattern. */
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for (int i=0; i<kFrameCount; i++)
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{
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if ((i%2) != 0)
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data[i] = i;
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else
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data[i] = -i;
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}
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ASSERT_EQ(afWriteFrames(file, AF_DEFAULT_TRACK, data, kFrameCount),
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kFrameCount);
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afCloseFile(file);
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file = afOpenFile(testFileName.c_str(), "r", AF_NULL_FILESETUP);
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ASSERT_TRUE(file) << "Could not open file for reading";
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/*
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For each position in the file, seek to that position and
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read to the end of the file, checking that the data read
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matches the data written.
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*/
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for (int i=0; i<kFrameCount; i++)
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{
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memset(readData, 0, kDataLength);
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AFfileoffset currentposition = afSeekFrame(file, AF_DEFAULT_TRACK, i);
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ASSERT_EQ(currentposition, i) << "Incorrect seek position";
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AFframecount framesread = afReadFrames(file, AF_DEFAULT_TRACK,
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readData + i, kPadFrameCount);
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ASSERT_EQ(framesread, kFrameCount - i) <<
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"Incorrect number of frames read";
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ASSERT_TRUE(!memcmp(data + i, readData + i,
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framesread * sizeof (int16_t))) <<
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"Error in data read";
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}
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afCloseFile(file);
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ASSERT_EQ(::unlink(testFileName.c_str()), 0);
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}
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int main (int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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