public void SamplesGeneratorsFunctions_GetRestrictedPulseTest()
{
var len = 10;
var delta = 1.0 / (5 * len);
var values = new double[len];
for (var i = 0; i < len; ++i)
{
values[i] = i * 1.0 / len;
}
var pusleFunc = SamplesGeneratorFunctions.GetRestrictedPulse(
values,
delta);
var increase = delta / 10;
var x = 0.0;
while (x < 1.0)
{
var actual = pusleFunc.Invoke(x);
var expected = 0.0;
for (var i = 0; i < len; ++i)
{
var val = values[i];
if (Math.Abs(x - val) <= delta)
{
expected = 1.0;
i = len;
}
}
Assert.AreEqual(expected, actual);
x += increase;
}
}
public void SamplesProcessorFunctions_GetDelayTest()
{
var f = SamplesGeneratorFunctions.GetSineFunc();
var startValue = 2.0;
var delay = SamplesProcessorFunctions.GetDelay(
f,
startValue);
// Testa o retardo simples.
var t = 0.0;
var expected = startValue;
while (t < 100)
{
var actual = delay.Invoke(t);
Assert.AreEqual(expected, actual);
expected = f.Invoke(t);
t += 1.0;
}
// Testa um retardo composto
var startValue1 = 2.0;
var startValue2 = 1.0;
var startValue3 = 3.0;
delay = SamplesProcessorFunctions.GetDelay(
f,
startValue);
var delay1 = SamplesProcessorFunctions.GetDelay(
delay,
1.0);
var delay2 = SamplesProcessorFunctions.GetDelay(
delay1,
3.0);
t = 0.0;
while (t < 100)
{
var actual = delay2.Invoke(t);
Assert.AreEqual(startValue3, actual);
startValue3 = startValue2;
startValue2 = startValue1;
startValue1 = f.Invoke(t);
t += 1.0;
}
// Testa um retardo complexo
Func <double, double> func = x => x;
delay1 = SamplesProcessorFunctions.GetDelay(
func,
1.0);
delay2 = SamplesProcessorFunctions.GetDelay(
func,
1.0);
Func <double, double> delay3 = SamplesProcessorFunctions.GetDelay(
x => delay2.Invoke(x),
2.0);
Func <double, double> xMain = x => x + delay1.Invoke(x) + 0.5 * delay3.Invoke(x);
var expectedItems = new double[] {
2, 1.5, 3, 5.5, 8, 10.5, 13, 15.5,
18, 20.5, 23, 25.5, 28, 30.5, 33, 35.5
};
t = 0.0;
for (var i = 0; i < expectedItems.LongLength; ++i)
{
var innerExpected = expectedItems[i];
var innerActual = xMain.Invoke(t);
Assert.AreEqual(innerExpected, innerActual);
t += 1.0;
}
}
