Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/obj-c++.dg/lookup-2.mm @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */ #include "../objc-obj-c++-shared/TestsuiteObject.m" #include <stdlib.h> class MyWidget { public: int a; MyWidget(void) { a = 17; } }; MyWidget gWidget; @protocol MyProto - (MyWidget *)widget; @end @interface Foo: TestsuiteObject @end @interface Bar: Foo <MyProto> @end @interface Container: TestsuiteObject + (MyWidget *)elementForView:(Foo *)view; @end @implementation Foo @end @implementation Bar - (MyWidget *)widget { return &gWidget; } @end @implementation Container + (MyWidget *)elementForView:(Foo *)view { MyWidget *widget = 0; if (class_conformsToProtocol (object_getClass (view), @protocol(MyProto))) { widget = [(Foo <MyProto> *)view widget]; } return widget; } @end int main(void) { id view = [Bar new]; MyWidget *w = [Container elementForView: view]; if (!w || w->a != 17) abort (); return 0; }