public void StageInvalidatesDependentStages()
{
var select = AssignablePipelineStage.Create("Select", 0);
var inputs = CreateInputs(2.AsPipelineConstant(), 4.AsPipelineConstant());
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
PipelineAssert.AssertPipelineIsInvalidatingDependentStages(sut);
}
public void OutputIsTakenFromTheSelectedInput(int selected, int[] inputValues, int expected)
{
var select = AssignablePipelineStage.Create("Select", selected);
var inputs = CreateInputs(inputValues.Select(i => i.AsPipelineConstant()).ToArray());
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
PipelineAssert.Value(sut, expected);
}
public void RemovingTheCurrentlySelectedInputCausesException()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var inputs = CreateInputs(input0);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
Assert.Catch(() => sut.RemoveInput(0));
}
public void ExceptionIsThrownOnGetValueWhenTheSelectedStageDoesNotExistInInputs()
{
var select = 0.AsPipelineConstant();
var inputs = new Dictionary <int, IPipelineStage <int> > {
{ 1, 1.AsPipelineConstant() }
};
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
Assert.Catch(() => sut.GetValue());
}
public void StageIsInvalidatedWhenCurrentlySelectedInputChanges()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input = AssignablePipelineStage.Create("Input", 0);
var inputs = CreateInputs(input);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
var test = sut.AttachTestStage();
input.SetValue(1);
test.AssertInvalidations(1);
}
public void DependenciesToInputsAndSelectAreRegisteredCorrectly()
{
var select = 0.AsPipelineConstant();
var input1 = 2.AsPipelineConstant();
var input2 = 4.AsPipelineConstant();
var inputs = CreateInputs(input1, input2);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
PipelineAssert.DependentOn(sut, select, input1, input2);
}
public void RemovingAStageRemovesDependency()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var input1 = AssignablePipelineStage.Create("Input 1", 0);
var inputs = CreateInputs(input0, input1);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
sut.RemoveInput(1);
PipelineAssert.NotDependentOn(sut, input1);
}
public void StageIsInvalidatedWhenSelectSignalChanges()
{
var select = AssignablePipelineStage.Create("Select", 0);
var inputs = CreateInputs(2.AsPipelineConstant(), 4.AsPipelineConstant());
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
var test = sut.AttachTestStage();
select.SetValue(1);
select.SetValue(0);
test.AssertInvalidations(2);
}
public void DependencyIsOnlyRemovedIfAllInputsDependentOnThatStageAreChanged()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var newInput0 = AssignablePipelineStage.Create("Input 0 (new)", 0);
var inputs = CreateInputs(input0, input0);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
sut.SetInput(0, newInput0);
PipelineAssert.DependentOn(sut, input0);
sut.SetInput(1, newInput0);
PipelineAssert.NotDependentOn(sut, input0);
}
public void SettingANewMappingRemovesOldDependencyAndAddsNew()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var newInput0 = AssignablePipelineStage.Create("Input 0 (new)", 0);
var inputs = CreateInputs(input0);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
sut.SetInput(0, newInput0);
PipelineAssert.NotDependentOn(sut, input0);
PipelineAssert.DependentOn(sut, newInput0);
}
public void SettingANewInputForAnUnselectedInputCausesNoInvalidation()
{
var select = AssignablePipelineStage.Create("Select", 1);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var input1 = AssignablePipelineStage.Create("Input 1", 0);
var newInput0 = AssignablePipelineStage.Create("Input 0 (new)", 100);
var inputs = CreateInputs(input0, input1);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
var test = sut.AttachTestStage();
sut.SetInput(0, newInput0);
test.AssertInvalidations(0);
}
public void DependencyIsOnlyRemovedIfAllInputsDependentOnThatStageAreRemoved()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var input2 = AssignablePipelineStage.Create("Input 2", 0);
var inputs = CreateInputs(input0, input0, input2);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
sut.RemoveInput(1);
PipelineAssert.DependentOn(sut, input0, input2);
select.SetValue(2); // To prevent exception
sut.RemoveInput(0);
PipelineAssert.NotDependentOn(sut, input0);
PipelineAssert.DependentOn(sut, input2);
}
public void SettingANewInputForTheCurrentlySelectedInputCausesInvalidationAndGetsTheNewValue()
{
var select = AssignablePipelineStage.Create("Select", 0);
var input0 = AssignablePipelineStage.Create("Input 0", 0);
var input1 = AssignablePipelineStage.Create("Input 1", 0);
var newInput0 = AssignablePipelineStage.Create("Input 0 (new)", 100);
var inputs = CreateInputs(input0, input1);
var sut = new MultiplexingPipelineStage <int, int>("Name", select, inputs);
var test = sut.AttachTestStage();
sut.SetInput(0, newInput0);
test.AssertInvalidations(1);
PipelineAssert.Value(sut, 100);
}
