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41 lines
790 B
ObjectPascal
41 lines
790 B
ObjectPascal
{ %OPT=-Sd }
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{ Source provided for Free Pascal Bug Report 4678 }
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{ Submitted by "Phil H." on 2006-01-09 }
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{ e-mail: pjhess@purdue.edu }
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program TestVarBug2;
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uses
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Variants;
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type
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TMyClass = class
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private
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function GetValue(AnInt : Integer) : Variant;
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public
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property Value[AnInt : Integer] : Variant read GetValue;
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end;
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function TMyClass.GetValue(AnInt : Integer) : Variant;
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begin
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if AnInt < 0 then
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Result := Null
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else
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Result := AnInt;
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end;
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var
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AClass : TMyClass;
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VarVal : Variant;
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begin
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AClass := TMyClass.Create;
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// This statement throws an exception with FPC.
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// Should assign Null to VarVal as per Delphi rule:
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// "any operation on a Null variant produces a Null variant".
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VarVal := AClass.Value[5] + AClass.Value[-1] + 1;
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end.
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