public void OnFrameCompletedWorksWithNoPulseEndOverflow()
{
// --- Arrange
var spectrum = new SpectrumBeepTestMachine();
var beeperDevice = new BeeperDevice();
beeperDevice.OnAttachedToVm(spectrum);
// --- Act
spectrum.SetCurrentCpuTact(69888 + 11);
beeperDevice.OnFrameCompleted();
// --- Assert
beeperDevice.LastEarBit.ShouldBeFalse();
beeperDevice.FrameCount.ShouldBe(0);
beeperDevice.Overflow.ShouldBe(11);
beeperDevice.AudioSamples.Length.ShouldBe(699);
foreach (var sample in beeperDevice.AudioSamples)
{
sample.ShouldBe(0.0f);
}
}
public void MultiplePulsesAreProcessedProperly(int[] tacts, float[] samples)
{
// --- Arrange
var spectrum = new SpectrumBeepTestMachine();
var beeperDevice = new BeeperDevice();
beeperDevice.OnAttachedToVm(spectrum);
var initialBit = false;
// --- Act
foreach (var tact in tacts)
{
spectrum.SetCurrentCpuTact(tact);
beeperDevice.ProcessEarBitValue(false, initialBit);
initialBit = !initialBit;
}
// --- Assert
beeperDevice.LastSampleTact.ShouldBe(beeperDevice.HostVm.AudioConfiguration.TactsPerSample * samples.Length);
for (var i = 0; i < samples.Length; i++)
{
samples[i].ShouldBe(beeperDevice.AudioSamples[i]);
}
}
