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TMtxExpression.Test Method (string, double, boolean)
TMtxExpression Class | TMtxExpression Members | MtxParseExpr Namespace | Test Method | Example
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Specifies a single expression, which must match ResultValue, underwise an exception is raised.

Pascal
procedure Test(const anExpr: string; ResultValue: double; AllowNanInf: boolean = false); overload;
Example

Test "+" operator 

 

procedure TestAddOperator(aParser: TMtxExpression); begin aParser.Test('1+2',3); //no exception will be raised, if result is a match end;
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