1 files changed, 67 insertions, 0 deletions
diff --git a/gcc/testsuite/objc.dg/property/dotsyntax-17.m b/gcc/testsuite/objc.dg/property/dotsyntax-17.m
new file mode 100644
index 000000000..c28e11f48
--- /dev/null
+++ b/gcc/testsuite/objc.dg/property/dotsyntax-17.m
@@ -0,0 +1,67 @@
+/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, November 2010.  */
+/* { dg-do compile } */
+
+/* Test errors with the dot-syntax with pre/post increment and decrement.  */
+
+#include <stdlib.h>
+#include <objc/objc.h>
+#include <objc/runtime.h>
+
+@interface MyRootClass
+{
+  Class isa;
+  int count;
+  int a;
+}
++ (id) initialize;
++ (id) alloc;
+- (id) init;
+@property (assign, readonly) int count;
+- (void) setWriteOnlyCount: (int)value;
+@end
+
+@implementation MyRootClass
++ (id) initialize { return self; }
++ (id) alloc { return class_createInstance (self, 0); }
+- (id) init { return self; }
+@synthesize count;
+- (void) setWriteOnlyCount: (int)value
+{
+  a = value;
+}
+@end
+
+int main (void)
+{
+  MyRootClass *object = [[MyRootClass alloc] init];
+
+  object.count = 10; /* { dg-error "readonly property can not be set" } */
+  if (object.count != 10) /* Ok */
+    abort ();
+
+  /* Test errors when trying to change a readonly property using
+     pre/post increment/decrement operators.  */
+  object.count++; /* { dg-error "readonly property can not be set" } */
+
+  ++object.count; /* { dg-error "readonly property can not be set" } */
+
+  object.count--; /* { dg-error "readonly property can not be set" } */
+
+  --object.count; /* { dg-error "readonly property can not be set" } */
+
+  /* Test errors when trying to change something using Objective-C 2.0
+     dot-syntax but there is a setter but no getter.  */
+  object.writeOnlyCount = 10; /* Ok */
+
+  object.writeOnlyCount++; /* { dg-error "no .writeOnlyCount. getter found" } */
+
+  ++object.writeOnlyCount; /* { dg-error "no .writeOnlyCount. getter found" } */
+
+  object.writeOnlyCount--; /* { dg-error "no .writeOnlyCount. getter found" } */
+
+  --object.writeOnlyCount; /* { dg-error "no .writeOnlyCount. getter found" } */
+
+  return 0;
+}
+
+