public void Simplify_Calls_All_Passed_Simplifiers()
{
mChecker.IsEqual(Arg.Any <IExpression>(), Arg.Any <IExpression>()).Returns(true);
var afterFirst = new Constant();
var input = new Constant();
mFirstSimplifier.Simplify(input).Returns(afterFirst);
mUnderTest.Simplify(input);
mSecondSimplifier.Received().Simplify(afterFirst);
}
public IExpression Simplify(IExpression input)
{
var result = input;
bool hasChanged;
do
{
var transformed = ApplyAllSimplifications(result);
hasChanged = !mChecker.IsEqual(result, transformed);
if (hasChanged)
{
result = transformed;
}
}while (hasChanged);
return(result);
}