private ExprMathNode MakeNode(
object valueLeft,
Type typeLeft,
object valueRight,
Type typeRight)
{
var mathNode = new ExprMathNode(MathArithTypeEnum.MULTIPLY, false, false);
mathNode.AddChildNode(new SupportExprNode(valueLeft, typeLeft));
mathNode.AddChildNode(new SupportExprNode(valueRight, typeRight));
SupportExprNodeUtil.Validate(container, mathNode);
return(mathNode);
}
public void TestToExpressionString()
{
// Build (5*(4-2)), not the same as 5*4-2
var arithNodeChild = new ExprMathNode(MathArithTypeEnum.SUBTRACT, false, false);
arithNodeChild.AddChildNode(new SupportExprNode(4));
arithNodeChild.AddChildNode(new SupportExprNode(2));
arithNode = new ExprMathNode(MathArithTypeEnum.MULTIPLY, false, false);
arithNode.AddChildNode(new SupportExprNode(5));
arithNode.AddChildNode(arithNodeChild);
Assert.AreEqual("5*(4-2)", ExprNodeUtilityPrint.ToExpressionStringMinPrecedenceSafe(arithNode));
}
public void TestEvaluate()
{
arithNode.AddChildNode(new SupportExprNode(10));
arithNode.AddChildNode(new SupportExprNode(1.5));
ExprNodeUtilityValidate.GetValidatedSubtree(ExprNodeOrigin.SELECT, arithNode, SupportExprValidationContextFactory.MakeEmpty(container));
Assert.AreEqual(11.5d, arithNode.Forge.ExprEvaluator.Evaluate(null, false, null));
arithNode = MakeNode(null, typeof(int?), 5d, typeof(double?));
Assert.IsNull(arithNode.Forge.ExprEvaluator.Evaluate(null, false, null));
arithNode = MakeNode(5, typeof(int?), null, typeof(double?));
Assert.IsNull(arithNode.Forge.ExprEvaluator.Evaluate(null, false, null));
arithNode = MakeNode(null, typeof(int?), null, typeof(double?));
Assert.IsNull(arithNode.Forge.ExprEvaluator.Evaluate(null, false, null));
}