1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/class-extension-2.mm b/gcc/testsuite/obj-c++.dg/class-extension-2.mm
new file mode 100644
index 000000000..79b126f52
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/class-extension-2.mm
@@ -0,0 +1,56 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010.  */
+/* { dg-do compile } */
+
+/* This test tests class extensions and protocols.  */
+
+#include <objc/objc.h>
+
+/* First, a simple test where a plain class has a protocol attached to
+   it in a class extension.  */
+@interface MyObject
+{
+  Class isa;
+}
+@end
+
+@protocol MyProtocol
+- (void) test;
+@end
+
+@interface MyObject () <MyProtocol>
+@end
+
+@implementation MyObject
+@end /* { dg-warning "incomplete implementation of class .MyObject." } */
+     /* { dg-warning "method definition for .-test. not found" "" { target *-*-* } 24 } */
+     /* { dg-warning "class .MyObject. does not fully implement the .MyProtocol. protocol" "" { target *-*-* } 24 } */
+
+
+
+/* Second, a more interesting test where protocols are added from the
+   main class and from two different class extensions.  */
+@interface MyObject2 : MyObject <MyProtocol>
+@end
+
+@protocol MyProtocol2
+- (void) test2;
+@end
+
+@protocol MyProtocol3
+- (void) test3;
+@end
+
+@interface MyObject2 () <MyProtocol2>
+@end
+
+@interface MyObject2 () <MyProtocol3>
+@end
+
+@implementation MyObject2
+@end /* { dg-warning "incomplete implementation of class .MyObject2." } */
+     /* { dg-warning "method definition for .-test. not found" "" { target *-*-* } 50 } */
+     /* { dg-warning "class .MyObject2. does not fully implement the .MyProtocol. protocol" "" { target *-*-* } 50 } */
+     /* { dg-warning "method definition for .-test2. not found" "" { target *-*-* } 50 } */
+     /* { dg-warning "class .MyObject2. does not fully implement the .MyProtocol2. protocol" "" { target *-*-* } 50 } */
+     /* { dg-warning "method definition for .-test3. not found" "" { target *-*-* } 50 } */
+     /* { dg-warning "class .MyObject2. does not fully implement the .MyProtocol3. protocol" "" { target *-*-* } 50 } */