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{ a helper of a parent class hides methods in the child class if its also a
parent of the helper for the child class }
program tchlp90;
{$ifdef fpc}
{$mode delphi}
{$endif}
{$apptype console}
type
TTest = class
function Test: Integer;
end;
TTestSub = class(TTest)
function Test: Integer;
end;
TTestHelper = class helper for TTest
function Test: Integer;
end;
TTestSubHelper = class helper(TTestHelper) for TTestSub
end;
function TTest.Test: Integer;
begin
Result := 1;
end;
function TTestSub.Test: Integer;
begin
Result := 4;
end;
function TTestHelper.Test: Integer;
begin
Result := 2;
end;
var
t: TTestSub;
res: Integer;
begin
t := TTestSub.Create;
res := t.Test;
Writeln('b.TestFoo: ', res);
if res <> 2 then
Halt(1);
Writeln('ok');
end.
|
