public void SampleTest()
{
//creating a PianoWire
PianoWire pw = new PianoWire(5, 25);
//calling strike() method
pw.Strike();
//storing the initial values of the array
CircularArray buffer = pw.getWires();
double[] beforeSample = buffer.getValues();
double decay = 3;
//adding new value to queue
pw.Sample(decay);
//Storing the new value of the array
CircularArray buffer2 = pw.getWires();
double[] afterSample = buffer2.getValues();
double value = ((beforeSample[0] + beforeSample[1]) / 2) * decay;
Assert.AreEqual(value, afterSample[0]);
}
public void StrikeTest()
{
Piano testPiano = new Piano("q2we4r5ty7u8i9op-[=zxdcfvgbnjmk,.;/' ", 44100);
testPiano.StrikeKey('q');
PianoWire testWire = (PianoWire)testPiano.returnKeyAtIndex('q');
Assert.AreNotEqual(0, testWire.getWires()[0]);
}
public void PlayOneNoteTest()
{
//There isn't really a feasible way to test whether or not the sampling returned will add up to the same thing for two different piano's
//so I just made copied over
Piano testPiano = new Piano("q2we4r5ty7u8i9op-[=zxdcfvgbnjmk,.;/' ", 44100);
testPiano.StrikeKey('q');
PianoWire testWire = (PianoWire)testPiano.returnKeyAtIndex('q');
double[] testArray = testWire.buffer.getValues();
Assert.AreEqual(testArray[0], testPiano.Play());
}
public void PlayMultipleNotesTest()
{
Piano testPiano = new Piano("q2we4r5ty7u8i9op-[=zxdcfvgbnjmk,.;/' ", 44100);
testPiano.StrikeKey('q');
testPiano.StrikeKey('2');
testPiano.StrikeKey('w');
PianoWire testWire1 = (PianoWire)testPiano.returnKeyAtIndex('q');
PianoWire testWire2 = (PianoWire)testPiano.returnKeyAtIndex('2');
PianoWire testWire3 = (PianoWire)testPiano.returnKeyAtIndex('w');
double[] testArray1 = testWire1.buffer.getValues();
double[] testArray2 = testWire2.buffer.getValues();
double[] testArray3 = testWire3.buffer.getValues();
double result = testArray1[0] + testArray2[0] + testArray3[0];
Assert.AreEqual(result, testPiano.Play());
}
public void StrikeLowestTest()
{
//creating a new PianoWire
PianoWire pw = new PianoWire(5, 25);
pw.Strike();
//Stering a copy of the circular array into a new buffer
CircularArray buffer = pw.getWires();
//storing the buffer values into a new array
double[] temp = buffer.getValues();
//sorting the values of the array
Array.Sort(temp);
Assert.IsTrue(temp[0] <= 0.5);
}
