1/* Check if finding multiple signatures for a method is handled gracefully. Author: Ziemowit Laski <zlaski@apple.com> */ 2/* { dg-options "-Wstrict-selector-match" } */ 3/* { dg-do compile } */ 4#include <objc/objc.h> 5#include "../objc-obj-c++-shared/TestsuiteObject.h" 6 7@interface Class1 8- (void)setWindow:(TestsuiteObject *)wdw; /* { dg-line Class1_setWindow } */ 9@end 10 11@interface Class2 12- (void)setWindow:(Class1 *)window; /* { dg-line Class2_setWindow } */ 13@end 14 15id foo(void) { 16 TestsuiteObject *obj = [[TestsuiteObject alloc] init]; 17 id obj2 = obj; 18 [obj setWindow:nil]; /* { dg-warning ".TestsuiteObject. may not respond to .\\-setWindow:." } */ 19 /* { dg-warning "Messages without a matching method signature" "" { target *-*-* } .-1 } */ 20 /* { dg-warning "will be assumed to return .id. and accept" "" { target *-*-* } .-2 } */ 21 /* { dg-warning ".\.\.\.. as arguments" "" { target *-*-* } .-3 } */ 22 [obj2 setWindow:nil]; /* { dg-warning "multiple methods named .\\-setWindow:. found" } */ 23 /* { dg-message "using .\\-\\(void\\)setWindow:\\(TestsuiteObject \\*\\)wdw." "" { target *-*-* } Class1_setWindow } */ 24 /* { dg-message "also found .\\-\\(void\\)setWindow:\\(Class1 \\*\\)window." "" { target *-*-* } Class2_setWindow } */ 25 26 return obj; 27} 28