public void Test_Condition_Equals(string str1, string str2, ComparisonOperator op) { var n1 = (Name)str1; var n2 = (Name)str2; var c1 = Condition.BuildCondition(n1, n2, op); var c2 = Condition.BuildCondition(n2, n1, op.Mirror()); Assert.AreEqual(c1, c2); }
private static Condition internal_buildCondition(string modifier1, Name v1, string modifier2, Name v2, ComparisonOperator op) { IValueRetriever value1 = ConvertToValueRetriever(modifier1, v1); IValueRetriever value2 = ConvertToValueRetriever(modifier2, v2); if (value1.Equals(value2)) { throw new InvalidOperationException("Both given property names are intrinsically equal. Condition would always return a constant result."); } if (value1.InnerName.IsPrimitive && value2.InnerName.IsPrimitive && !value1.HasModifier && !value2.HasModifier) { throw new InvalidOperationException("Both given property names are primitive values. Expected at least one non-primitive value."); } if (op == ComparisonOperator.Equal) { //May be a definition if (value1.InnerName.IsVariable && !value1.HasModifier) { return(new EqualityDefinitionCondition(v1, value2)); } if (value2.InnerName.IsVariable && !value2.HasModifier) { return(new EqualityDefinitionCondition(v2, value1)); } } if (value1.InnerName.IsPrimitive != value2.InnerName.IsPrimitive) { IValueRetriever prop = value1.InnerName.IsPrimitive ? value2 : value1; string str = (value1.InnerName.IsPrimitive ? value1.InnerName : value2.InnerName).ToString(); op = v1.IsPrimitive ? op.Mirror() : op; bool boolValue; if (bool.TryParse(str, out boolValue)) { switch (op) { case ComparisonOperator.Equal: return(new PredicateCondition(prop, boolValue)); case ComparisonOperator.NotEqual: return(new PredicateCondition(prop, !boolValue)); } } return(new PrimitiveComparisonCondition(prop, (Name)str, op)); } return(new PropertyComparisonCondition(value1, value2, op)); }