| /* Test for situations in which protocol conformance information |
| may be lost, leading to superfluous warnings. */ |
| /* Author: Ziemowit Laski <zlaski@apple.com>. */ |
| /* { dg-do compile } */ |
| |
| /* One-line substitute for objc/objc.h */ |
| typedef struct objc_object { struct objc_class *class_pointer; } *id; |
| |
| @protocol NSObject |
| - (int)someValue; |
| @end |
| |
| @interface NSObject <NSObject> |
| @end |
| |
| @protocol PlateMethods |
| - (void)someMethod; |
| @end |
| |
| @interface Foo { |
| NSObject <PlateMethods> *plate; |
| id <PlateMethods> plate1; |
| NSObject *plate2; |
| } |
| - (id <PlateMethods>) getPlate; |
| - (id <NSObject>) getPlate1; |
| - (int) getValue; |
| @end |
| |
| @implementation Foo |
| - (id <PlateMethods>) getPlate { |
| return plate; /* { dg-bogus "does not implement" } */ |
| } |
| - (id <NSObject>) getPlate1 { |
| return (id <NSObject>)plate1; /* { dg-bogus "does not conform" } */ |
| } |
| - (int) getValue { |
| int i = [plate1 someValue]; /* { dg-warning ".\\-someValue. not found in protocol\\(s\\)" } */ |
| |
| int j = [(id <NSObject>)plate1 someValue]; /* { dg-bogus "not found in protocol" } */ |
| int k = [(id)plate1 someValue]; /* { dg-bogus "not found in protocol" } */ |
| return i + j + k; |
| } |
| @end |