1 files changed, 67 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/obj-c++.dg/property/dotsyntax-20.mm b/gcc-4.9/gcc/testsuite/obj-c++.dg/property/dotsyntax-20.mm
new file mode 100644
index 000000000..2bddb7c6b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/obj-c++.dg/property/dotsyntax-20.mm
@@ -0,0 +1,67 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
+/* { dg-do compile } */
+/* { dg-options "-Wall" } */
+
+/* Test warnings with the dot-syntax.  */
+
+#include <stdlib.h>
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
+@interface MyRootClass
+{
+  Class isa;
+  id a;
+  id b;
+  int p1;
+  int p2;
+}
++ (id) initialize;
++ (id) alloc;
+- (id) init;
+
+@property int p1;
+@property int p2;
+@end
+
+@implementation MyRootClass
++ (id) initialize { return self; }
++ (id) alloc { return class_createInstance (self, 0); }
+- (id) init { return self; }
+@synthesize p1;
+@synthesize p2;
+@end
+
+int main (void)
+{
+  MyRootClass *object = [[MyRootClass alloc] init];
+
+  /* First, test that the artificial code generated by dot-syntax does
+     not generate unexpected warnings.  */
+
+  /* All of the following should generate no warnings.  */
+  object.p1 = 0;
+  object.p2 = 0;
+  object.p1 = object.p2 = 0;
+  if (object.p1 > 0)
+    object.p2 = 0;
+  
+  object.p1++;
+  ++object.p1;
+  object.p1--;
+  --object.p1;
+  
+  while (object.p1)
+    object.p1--;
+
+  /* Now test some warnings.  */
+  object.p1; /* This warning does not seem to be produced in C++.  dg-warning "value computed is not used" */
+
+  /* TODO: It would be good to get the following to warn.  */
+  if (object.p1 = 0) /* dg-warning "suggest parentheses around assignment used as truth value" */
+    abort ();
+
+  return 0;
+}
+
+