New tests

From-SVN: r44040

gcc/testsuite/objc/execute/object_is_class.m

+/* Contributed by Nicola Pero - Tue Jul  3 10:55:21 BST 2001 */
+#include <objc/objc.h>
+#include <objc/objc-api.h>
+#include <objc/Object.h>
+
+/* This test demonstrate a failure in object_is_class which was fixed */
+
+/* Create a class whose instance variables mirror the struct used for
+   Class structures in the runtime ... yes we're feeling evil today */
+@interface EvilClass : Object
+{
+  Class super_class;
+  const char* name;
+  long version;
+  unsigned long info;    
+}
+@end
+
+@implementation EvilClass
+- (id) init
+{
+  self = [super init];
+  /* The following one is used in the runtime to mark classes */
+  info = 0x1L;
+  return self;
+}
+@end
+
+int main (void)
+{
+  /* Create an object of our EvilClass */
+  EvilClass *evilObject = [EvilClass new];
+  
+  /* Now check that the object is not a class object */
+  if (object_is_class (evilObject))
+    {
+      printf ("object_is_class failed\n");
+      abort ();
+    }
+
+  return 0;
+}

gcc/testsuite/objc/execute/object_is_meta_class.m

+/* Contributed by Nicola Pero - Tue Jul  3 10:55:21 BST 2001 */
+#include <objc/objc.h>
+#include <objc/objc-api.h>
+#include <objc/Object.h>
+
+/* This test demonstrate a failure in object_is_meta_class which was fixed */
+
+@interface EvilClass : Object
+{
+  Class super_class;
+  const char* name;
+  long version;
+  unsigned long info;    
+}
+@end
+
+@implementation EvilClass
+- (id) init
+{
+  self = [super init];
+  /* The following one is used in the runtime to mark meta classes */
+  info = 0x2L;
+  return self;
+}
+@end
+
+int main (void)
+{
+  /* Create an object of our EvilClass */
+  EvilClass *evilObject = [EvilClass new];
+  
+  /* Now check that the object is not a meta class object */
+  if (object_is_meta_class (evilObject))
+    {
+      printf ("object_is_meta_class failed\n");
+      abort ();
+    }
+
+  return 0;
+}
+