public void WhenConstructingNewInstance_Then_Period_IsSetToConstructorArgument()
{
const int period = 3;
var sut = new FakeWindowIndicator(period);
Assert.AreEqual(period, sut.Period);
}
public void WhenProcessingInput_Then_RollingWindowIsPopulated()
{
var function = new FakeWindowComputation();
var sut = new FakeWindowIndicator(function, 2);
sut.Process(1);
Assert.AreEqual(1, function.WindowPassedToCompute[0]);
}
public void WhenSettingOutput_Then_OutputUpdated_IsRaised()
{
var sut = new FakeWindowIndicator(2);
var output = 0d;
sut.OutputUpdated += (sender, o) => output = o;
sut.SetOutput(1);
Assert.AreEqual(1, output);
}
public void WhenProcessingPeriodNumberOfInputs_Then_IsReady_FlipsToTrue()
{
const int period = 5;
var sut = new FakeWindowIndicator(period);
for (int i = 0; i < period - 1; i++)
{
sut.Process(0);
Assert.IsFalse(sut.IsReady);
}
sut.Process(0);
Assert.IsTrue(sut.IsReady);
}
public void WhenConstructingNewInstance_Then_Output_IsZero()
{
var sut = new FakeWindowIndicator(1);
Assert.AreEqual(0, sut.Output);
}
public void WhenConstructingNewInstance_Then_IsReady_IsFalse()
{
var sut = new FakeWindowIndicator(1);
Assert.IsFalse(sut.IsReady);
}
