public void UnionSet_SetsWithVaryingNumberOfElementIndices_(Set left, Set right, Set expected)
{
IInterpreterSet parent = Substitute.For <IInterpreterSet>();
SetHelper setHelper = SetUpHelper(parent);
SetExpression leftExpr = new SetExpression(null, null, null, 0, 0);
SetExpression rightExpr = new SetExpression(null, null, null, 0, 0);
UnionExpression intersectionExpr = new UnionExpression(leftExpr, rightExpr, 0, 0);
parent.DispatchSet(leftExpr, Arg.Any <List <object> >()).Returns(left);
parent.DispatchSet(rightExpr, Arg.Any <List <object> >()).Returns(right);
Set result = setHelper.UnionSet(intersectionExpr, new List <object>());
result.Should().BeEquivalentTo(expected);
}
public void SubtractionSet_f_f(int[,] left, int[,] right, int[,] expected)
{
IInterpreterSet parent = Substitute.For <IInterpreterSet>();
SetHelper setHelper = SetUpHelper(parent);
SetExpression lhsExpr = new SetExpression(null, null, null, 1, 1);
SetExpression rhsExpr = new SetExpression(null, null, null, 1, 1);
SubtractionExpression expr = new SubtractionExpression(lhsExpr, rhsExpr, 0, 0);
parent.DispatchSet(lhsExpr, Arg.Any <List <object> >()).Returns(getSetFrom2dArray(left));
parent.DispatchSet(rhsExpr, Arg.Any <List <object> >()).Returns(getSetFrom2dArray(right));
Set res = setHelper.SubtractionSet(expr, new List <object>());
res.Should().BeEquivalentTo(getSetFrom2dArray(expected));
}
public void IntersectionSet_ValidInput_ReturnsCorrectSet(Set left, Set right, Set exp)
{
IInterpreterSet parent = Substitute.For <IInterpreterSet>();
SetHelper setHelper = SetUpHelper(parent);
SetExpression leftExpr = new SetExpression(null, null, null, 0, 0);
SetExpression rightExpr = new SetExpression(null, null, null, 0, 0);
IntersectionExpression intersectionExpr = new IntersectionExpression(leftExpr, rightExpr, 0, 0);
parent.DispatchSet(leftExpr, Arg.Any <List <object> >()).Returns(left);
parent.DispatchSet(rightExpr, Arg.Any <List <object> >()).Returns(right);
Set result = setHelper.IntersectionSet(intersectionExpr, new List <object>());
result.Should().BeEquivalentTo(exp);
}
public Set SubtractionSet(SubtractionExpression node, List <Object> parameters)
{
Set leftSet = _interpreter.DispatchSet(node.Children[0], parameters);
Set rightSet = _interpreter.DispatchSet(node.Children[1], parameters);
HashSet <Element> set = leftSet.SetCopy;
set.ExceptWith(rightSet.Elements);
return(new Set(set));
}