public void FunctionalCommandReturnsTrueWhenNoCanExecuteDelegateIsSpecified()
{
var testTarget = new FunctionalCommand(() => { });
var actual = testTarget.CanExecute(null);
Assert.AreEqual(true, actual);
}
public void FunctionalCommandCallsExecuteDelegateOnExecute()
{
var numberOfCalls = 0;
var testTarget = new FunctionalCommand(() => numberOfCalls++);
testTarget.Execute(null);
Assert.AreEqual(1, numberOfCalls);
}
public void CanExecuteChangedIsRaisedWhenRaisePropertyChangedIsCalled()
{
var testTarget = new FunctionalCommand(() => { });
var numberOfCalls = 0;
testTarget.CanExecuteChanged += (s, e) => numberOfCalls++;
testTarget.RaiseCanExecuteChanged();
Assert.AreEqual(1, numberOfCalls);
}
public void FunctionalCommandReturnsValueOfCanExecuteDelegateCorrectly()
{
var returnValue = false;
// ReSharper disable once AccessToModifiedClosure
// This is actually what I want here
var testTarget = new FunctionalCommand(() => { }, () => returnValue);
var actual = testTarget.CanExecute(null);
Assert.AreEqual(false, actual);
returnValue = true;
actual = testTarget.CanExecute(null);
Assert.AreEqual(true, actual);
}
