1 files changed, 86 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/property/synthesize-7.mm b/gcc/testsuite/obj-c++.dg/property/synthesize-7.mm
new file mode 100644
index 000000000..929e3803b
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/property/synthesize-7.mm
@@ -0,0 +1,86 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
+/* { dg-do run } */
+/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
+
+/* Test @synthesize with protocols of protocols.  */
+
+#include <stdlib.h>
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
+@protocol ProtocolA
+@property int countA;
+@end
+
+@protocol ProtocolB <ProtocolA>
+@property int countB;
+@end
+
+@protocol ProtocolC <ProtocolB>
+@property int countC;
+@end
+
+@protocol ProtocolD
+@property int countD;
+@end
+
+@interface MyRootClass <ProtocolC>
+{
+  Class isa;
+  int countA;
+  int countB;
+  int countC;
+}
++ (id) initialize;
++ (id) alloc;
+- (id) init;
+@end
+
+@implementation MyRootClass
++ (id) initialize { return self; }
++ (id) alloc { return class_createInstance (self, 0); }
+- (id) init { return self; }
+@synthesize countA;
+@synthesize countB;
+@synthesize countC;
+@end
+
+@interface MySubClass : MyRootClass <ProtocolD>
+{
+  int countD;
+}
+@end
+
+@implementation MySubClass
+@synthesize countD;
+@end
+
+int main (void)
+{
+  MySubClass *object = [[MySubClass alloc] init];
+  int i;
+
+  for (i = 0; i < 10; i++)
+    {
+      object.countA += i;
+      object.countB += i + 1;
+      object.countC += i + 2;
+      object.countD += i + 3;
+    }
+
+  if (object.countA != 45)
+    abort ();
+
+  if (object.countB != 55)
+    abort ();
+
+  if (object.countC != 65)
+    abort ();
+
+  if (object.countD != 75)
+    abort ();
+
+  return 0;
+}
+
+