libretro/scummvm
1
0
Fork 0
mirror of https://github.com/libretro/scummvm.git synced 2025-02-03 09:23:37 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Add unit test for SubLoopingAudioStream. (Currently they fail though :-/)

Browse Source 
svn-id: r48017
This commit is contained in:
Johannes Schickel 2010-02-09 21:51:28 +00:00
parent 9b6042efb4
commit d349be1fb8
1 changed files with 60 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

60
test/sound/audiostream.h
View File

@ -108,5 +108,65 @@ public:
void test_looping_audio_stream_stereo_fixed_iter() {
testLoopingAudioStreamFixedIter(22050, true);
}
private:
void testSubLoopingAudioStreamFixedIter(const int sampleRate, const bool isStereo) {
const int secondLength = sampleRate * (isStereo ? 2 : 1);
const Audio::Timestamp loopStart(500, 1000), loopEnd(1000, 1000);
const int32 loopOffset = Audio::convertTimeToStreamPos(loopStart, sampleRate, isStereo).totalNumberOfFrames();
const int32 loopIteration = Audio::convertTimeToStreamPos((loopEnd - loopStart), sampleRate, isStereo).totalNumberOfFrames();
int16 *sine = 0;
Audio::SeekableAudioStream *s = createSineStream<int16>(sampleRate, 3, &sine, false, isStereo);
Audio::SubLoopingAudioStream *loop = new Audio::SubLoopingAudioStream(s, 5, loopStart, loopEnd);
int16 *buffer = new int16[secondLength * 2];
// Check parameters
TS_ASSERT_EQUALS(loop->isStereo(), isStereo);
TS_ASSERT_EQUALS(loop->getRate(), sampleRate);
TS_ASSERT_EQUALS(loop->endOfData(), false);
// Read one sceond (this is the non-looped part + one iteration)
TS_ASSERT_EQUALS(loop->readBuffer(buffer, secondLength), secondLength);
TS_ASSERT_EQUALS(memcmp(buffer, sine, secondLength * sizeof(int16)), 0);
TS_ASSERT_EQUALS(loop->endOfData(), false);
// We should have one full iteration now
// Read another loop iteration
TS_ASSERT_EQUALS(loop->readBuffer(buffer, loopIteration), loopIteration);
TS_ASSERT_EQUALS(memcmp(buffer, sine + loopOffset, loopIteration * sizeof(int16)), 0);
TS_ASSERT_EQUALS(loop->endOfData(), false);
// We should have two full iterations now
// Read three loop iterations at once
TS_ASSERT_EQUALS(loop->readBuffer(buffer, loopIteration * 3), loopIteration * 3);
TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 0, sine + loopOffset, loopIteration * sizeof(int16)), 0);
TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 1, sine + loopOffset, loopIteration * sizeof(int16)), 0);
TS_ASSERT_EQUALS(memcmp(buffer + loopIteration * 2, sine + loopOffset, loopIteration * sizeof(int16)), 0);
TS_ASSERT_EQUALS(loop->endOfData(), true);
// We should have five full iterations now, thus the stream should be done
// Try to read beyond the end of the stream (note this only applies, till we define that SubLoopingAudioStream should
// stop playing after the looped area).
TS_ASSERT_EQUALS(loop->readBuffer(buffer, secondLength), 0);
TS_ASSERT_EQUALS(loop->endOfData(), true);
delete[] buffer;
delete loop;
delete[] sine;
}
public:
void test_sub_looping_audio_stream_mono_fixed_iter() {
testSubLoopingAudioStreamFixedIter(22050, false);
}
void test_sub_looping_audio_stream_stereo_fixed_iter() {
testSubLoopingAudioStreamFixedIter(22050, true);
}
};