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{ %target=darwin }
{ %cpu=powerpc,powerpc64,i386,x86_64,arm }
{ Written by Jonas Maebe in 2009, released into the public domain }
program protocoltest;
{$mode objfpc}{$H+}
{$modeswitch objectivec1}
type
MyProtocolA = objcprotocol
function newMethod: longint; message 'n';
end;
MyProtocolB = objcprotocol(MyProtocolA)
class function newClassMethod: longint; message 'newClassMethod';
end;
{ TMyObject }
TMyObjectA = objcclass(NSObject, MyProtocolB)
function newMethod: longint;
class function newClassMethod: longint;
end;
TMyObjectB = objcclass(NSObject,MyProtocolA)
function newMethod: longint; message 'n';
class function newClassMethod: longint; message 'newClassMethod';
end;
{ TMyObjectA }
function TMyObjectA.newMethod: longint;
begin
result:=1;
end;
class function TMyObjectA.newClassMethod: longint;
begin
result:=2;
end;
{ TMyObjectB }
function TMyObjectB.newMethod: longint;
begin
result:=3;
end;
class function TMyObjectB.newClassMethod: longint;
begin
result:=4;
end;
var
pMyProtocolA : Protocol;
pMyProtocolB : Protocol;
pNSProxy : Protocol;
a : TMyObjectA;
b : TMyObjectB;
begin
pMyProtocolA:=objcprotocol(MyProtocolA);
pMyProtocolB:=objcprotocol(MyProtocolB);
pNSProxy:=Protocol(objc_getprotocol('NSProxy'));
writeln('TMyObjectA conforms to MyProtocolA protocol: ', TMyObjectA.classconformsToProtocol_(pMyProtocolA)); {true}
if not TMyObjectA.classconformsToProtocol_(pMyProtocolA) then
halt(1);
writeln('TMyObjectA conforms to MyProtocolB protocol: ', TMyObjectA.classconformsToProtocol_(pMyProtocolB)); {true}
if not TMyObjectA.classconformsToProtocol_(pMyProtocolB) then
halt(2);
writeln('TMyObjectB conforms to MyProtocolA protocol: ', TMyObjectB.classconformsToProtocol_(pMyProtocolA)); {true}
if not TMyObjectB.classconformsToProtocol_(pMyProtocolA) then
halt(3);
writeln('TMyObjectB conforms to MyProtocolB protocol: ', TMyObjectB.classconformsToProtocol_(pMyProtocolB)); {false}
if TMyObjectB.classconformsToProtocol_(pMyProtocolB) then
halt(4);
writeln('TMyObjectA conforms to NSProxy protocol: ', TMyObjectA.classconformsToProtocol_(pNSProxy)); {false}
if TMyObjectA.classconformsToProtocol_(pNSProxy) then
halt(5);
if TMyObjectA.newClassMethod<>2 then
halt(11);
if TMyObjectB.newClassMethod<>4 then
halt(12);
a := TMyObjectA.alloc;
writeln('TMyObjectA instance conforms to MyProtocolA protocol: ', a.classconformsToProtocol_(pMyProtocolA)); {true}
if not a.classconformsToProtocol_(pMyProtocolA) then
halt(6);
writeln('TMyObjectA instance conforms to MyProtocolB protocol: ', a.classconformsToProtocol_(pMyProtocolB)); {true}
if not a.classconformsToProtocol_(pMyProtocolB) then
halt(7);
writeln('TMyObjectA instance conforms to NSProxy protocol: ', a.classconformsToProtocol_(pNSProxy)); {false}
if a.classconformsToProtocol_(pNSProxy) then
halt(8);
if a.newMethod<>1 then
halt(21);
a.Release;
b := TMyObjectB.alloc;
writeln('TMyObjectB instance conforms to MyProtocolA protocol: ', b.conformsToProtocol_(pMyProtocolA)); {true}
if not b.conformsToProtocol_(pMyProtocolA) then
halt(6);
writeln('TMyObjectB instance conforms to MyProtocolB protocol: ', b.conformsToProtocol_(pMyProtocolB)); {false}
if b.conformsToProtocol_(pMyProtocolB) then
halt(7);
if b.newMethod<>3 then
halt(31);
b.Release;
end.
|
