1 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/obj-c++.dg/const-str-3.mm b/gcc/testsuite/obj-c++.dg/const-str-3.mm
new file mode 100644
index 00000000000..7d4f80863d2
--- /dev/null
+++ b/gcc/testsuite/obj-c++.dg/const-str-3.mm
@@ -0,0 +1,48 @@
+/* Test the -fconstant-string-class=Foo option under the NeXT
+   runtime.  */
+/* Developed by Markus Hitter <mah@jump-ing.de>.  */
+
+/* { dg-options "-fnext-runtime -fconstant-string-class=Foo -lobjc" } */
+/* { dg-do run { target *-*-darwin* } } */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <objc/objc.h>
+#include <objc/Object.h>
+
+@interface Foo: Object {
+  char *cString;
+  unsigned int len;
+}
+- (char *)customString;
+@end
+
+struct objc_class _FooClassReference;
+
+@implementation Foo : Object
+- (char *)customString {
+  return cString;
+}
+@end
+
+int main () {
+  Foo *string = @"bla";
+  Foo *string2 = @"bla";
+
+  if(string != string2)
+    abort();
+  printf("Strings are being uniqued properly\n");
+
+  /* This memcpy has to be done before the first message is sent to a
+     constant string object. Can't be moved to +initialize since _that_
+     is already a message. */
+
+  memcpy(&_FooClassReference, objc_getClass("Foo"), sizeof(_FooClassReference));
+  if (strcmp ([string customString], "bla")) {
+    abort ();
+  }
+
+  printf([@"This is a working constant string object\n" customString]);
+  return 0;
+}