private ExprMathNode MakeNode(Object valueLeft, Type typeLeft, Object valueRight, Type typeRight)
{
ExprMathNode mathNode = new ExprMathNode(MathArithTypeEnum.MULTIPLY, false, false);
mathNode.AddChildNode(new SupportExprNode(valueLeft, typeLeft));
mathNode.AddChildNode(new SupportExprNode(valueRight, typeRight));
SupportExprNodeUtil.Validate(mathNode);
return(mathNode);
}
public void TestToExpressionString()
{
// Build sum(4-2)
var arithNodeChild = new ExprMathNode(MathArithTypeEnum.SUBTRACT, false, false);
arithNodeChild.AddChildNode(new SupportExprNode(4));
arithNodeChild.AddChildNode(new SupportExprNode(2));
_sumNode = new ExprSumNode(false);
_sumNode.AddChildNode(arithNodeChild);
Assert.AreEqual("sum(4-2)", _sumNode.ToExpressionStringMinPrecedenceSafe());
}
public void TestToExpressionString()
{
// Build (5*(4-2)), not the same as 5*4-2
ExprMathNode 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)", _arithNode.ToExpressionStringMinPrecedenceSafe());
}
public void TestEvaluate()
{
_arithNode.AddChildNode(new SupportExprNode(10));
_arithNode.AddChildNode(new SupportExprNode(1.5));
ExprNodeUtility.GetValidatedSubtree(ExprNodeOrigin.SELECT, _arithNode, SupportExprValidationContextFactory.MakeEmpty(_container));
Assert.AreEqual(11.5d, _arithNode.Evaluate(new EvaluateParams(null, false, null)));
_arithNode = MakeNode(null, typeof(int), 5d, typeof(double?));
Assert.IsNull(_arithNode.Evaluate(new EvaluateParams(null, false, null)));
_arithNode = MakeNode(5, typeof(int), null, typeof(double?));
Assert.IsNull(_arithNode.Evaluate(new EvaluateParams(null, false, null)));
_arithNode = MakeNode(null, typeof(int), null, typeof(double?));
Assert.IsNull(_arithNode.Evaluate(new EvaluateParams(null, false, null)));
}
public void SetUp()
{
_container = SupportContainer.Reset();
_arithNode = new ExprMathNode(MathArithTypeEnum.ADD, false, false);
}