public void WithReadFullySetNoInputsReturnsSampleCountRequested()
{
var msp = new MixingSampleProvider(WaveFormat.CreateIeeeFloatWaveFormat(44100, 2));
msp.ReadFully = true;
var buffer = new float[1000];
Assert.AreEqual(buffer.Length, msp.Read(buffer, 0, buffer.Length));
}
public void WithOneInputReturnsSamplesReadIfNotEnoughToFullyRead()
{
var input1 = new TestSampleProvider(44100, 2, 800);
var msp = new MixingSampleProvider(new[] { input1 });
var buffer = new float[1000];
Assert.AreEqual(800, msp.Read(buffer, 0, buffer.Length));
// randomly check one value
Assert.AreEqual(567, buffer[567]);
}
public void WithOneInputReadsToTheEnd()
{
var input1 = new TestSampleProvider(44100, 2, 2000);
var msp = new MixingSampleProvider(new [] { input1});
var buffer = new float[1000];
Assert.AreEqual(buffer.Length, msp.Read(buffer, 0, buffer.Length));
// randomly check one value
Assert.AreEqual(567, buffer[567]);
}
public void FullyReadCausesPartialBufferToBeZeroedOut()
{
var input1 = new TestSampleProvider(44100, 2, 800);
var msp = new MixingSampleProvider(new[] { input1 });
msp.ReadFully = true;
// of 1000 floats of value 9999
var buffer = Enumerable.Range(1,1000).Select(n => 9999f).ToArray();
Assert.AreEqual(buffer.Length, msp.Read(buffer, 0, buffer.Length));
// check we get 800 samples, followed by zeroed out data
Assert.AreEqual(567f, buffer[567]);
Assert.AreEqual(799f, buffer[799]);
Assert.AreEqual(0, buffer[800]);
Assert.AreEqual(0, buffer[999]);
}
public void WithNoInputsFirstReadReturnsNoSamples()
{
var msp = new MixingSampleProvider(WaveFormat.CreateIeeeFloatWaveFormat(44100, 2));
Assert.AreEqual(0, msp.Read(new float[1000], 0, 1000));
}