From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../gcc/testsuite/objc.dg/protocol-inheritance-1.m | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/objc.dg/protocol-inheritance-1.m (limited to 'gcc-4.9/gcc/testsuite/objc.dg/protocol-inheritance-1.m') diff --git a/gcc-4.9/gcc/testsuite/objc.dg/protocol-inheritance-1.m b/gcc-4.9/gcc/testsuite/objc.dg/protocol-inheritance-1.m new file mode 100644 index 000000000..6c23a4663 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/objc.dg/protocol-inheritance-1.m @@ -0,0 +1,54 @@ +/* Contributed by Nicola Pero , November 2010. */ +/* { dg-do compile } */ +/* { dg-options "-Wno-protocol" } */ + +#include + +/* Test the -Wno-protocol flag. With this, at a class is accepted + (with no warnings) as conforming to a protocol even if some + protocol methods are implemented in the superclass. */ + +@protocol MyProtocol +- (int)method; +@end + +@protocol MyProtocol2 +- (int)method2; +@end + +/* The superclass implements the method required by the protocol. */ +@interface MyRootClass +{ + Class isa; +} +- (int)method; +@end + +@implementation MyRootClass +- (int)method +{ + return 23; +} +@end + +/* The subclass inherits the method (does not implement it directly) + but that still makes it conform to the protocol. No warnings. */ +@interface MySubClass : MyRootClass +@end + +@implementation MySubClass +@end /* No warnings here. */ + + +/* The subclass instead does not inherit the method method2 (and does + not implement it directly) so it does not conform to the + protocol MyProtocol2. */ +@interface MySubClass2 : MyRootClass +@end + +@implementation MySubClass2 +@end /* Warnings here, below. */ + +/* { dg-warning "incomplete implementation of class .MySubClass2." "" { target *-*-* } 50 } */ +/* { dg-warning "method definition for .\\-method2. not found" "" { target *-*-* } 50 } */ +/* { dg-warning "class .MySubClass2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } 50 } */ -- cgit v1.2.3