public void ValueInvalidateWhileInSuspendedStateIsRememberedAsPending()
{
var value = Assignable(10);
var sut = new SuspendingPipelineStage <int>(value, Suspender(PipelineSuspensionState.Suspend));
value.SetValue(11);
Assert.IsTrue(sut.HasPendingInvalidate);
}
public void DependenciesToInputAndSuspensionAreRegisteredCorrectly()
{
var value = Assignable(10);
var suspend = Suspender(PipelineSuspensionState.Resume);
var sut = new SuspendingPipelineStage <int>(value, suspend);
PipelineAssert.DependentOn(sut, value, suspend);
}
public void ResumeWithoutInvalidationFromInputDoesNotInvalidateStage(PipelineSuspensionState resumeState)
{
var state = Suspender(PipelineSuspensionState.Suspend);
var sut = new SuspendingPipelineStage <int>(1.AsPipelineConstant(), state);
var test = sut.AttachTestStage();
state.SetValue(resumeState);
test.AssertInvalidations(0);
}
public void InvalidateIsOnlyPropagatedInResumedSuspensionStates(PipelineSuspensionState state, int expectedInvalidations)
{
var value = Assignable(10);
var sut = new SuspendingPipelineStage <int>(value, Suspender(state));
var test = sut.AttachTestStage();
value.SetValue(11);
test.AssertInvalidations(expectedInvalidations);
}
public void PendingInvalidateIsEnactedWhenChangingState(PipelineSuspensionState resumeState, int expectedInvalidations)
{
var value = Assignable(10);
var state = Suspender(PipelineSuspensionState.Suspend);
var sut = new SuspendingPipelineStage <int>(value, state);
var test = sut.AttachTestStage();
value.SetValue(2);
test.AssertInvalidations(0);
Assert.IsTrue(sut.HasPendingInvalidate);
state.SetValue(resumeState);
test.AssertInvalidations(expectedInvalidations);
}
public void NewValueAndChangedStageAtTheSameTimeHasTheIntendedReaction(PipelineSuspensionState initial, PipelineSuspensionState state, int invalidations)
{
var stateStage = Suspender(initial);
var value = new AssignablePipelineStage <int>("", 1);
var sut = new SuspendingPipelineStage <int>(value, stateStage);
var test = sut.AttachTestStage();
value.SetValueWithoutInvalidating(2);
stateStage.SetValueWithoutInvalidating(state);
PipelineCore.Invalidate(stateStage, value);
test.AssertInvalidations(invalidations);
PipelineAssert.Value(sut, 2);
}
public void PipelineStartsInExpectedState()
{
var sut = new SuspendingPipelineStage <double>(0.2.AsPipelineConstant(), Suspender(PipelineSuspensionState.Resume));
Assert.AreEqual(PipelineSuspensionState.Resume, sut.SuspensionState);
}