objc4-437.tar.gz

[apple/objc4.git] / test / setSuper.m

diff --git a/test/setSuper.m b/test/setSuper.m
new file mode 100644 (file)
index 0000000..9a859bd
--- /dev/null
+++ b/test/setSuper.m
@@ -0,0 +1,44 @@
+#include "test.h"
+#include <objc/runtime.h>
+
+@interface Super1 { id isa; } @end
+@implementation Super1
++class { return self; } 
++(void)initialize { } 
++(int)classMethod { return 1; }
+-(int)instanceMethod { return 10000; }
+@end
+
+@interface Super2 { id isa; } @end
+@implementation Super2
++class { return self; }
++(void)initialize { } 
++(int)classMethod { return 2; }
+-(int)instanceMethod { return 20000; }
+@end
+
+@interface Sub : Super1 @end
+@implementation Sub
++new { return class_createInstance(self, 0); }
++(int)classMethod { return [super classMethod] + 100; }
+-(int)instanceMethod { return [super instanceMethod] + 1000000; }
+@end
+
+int main()
+{
+    Class cls;
+    Sub *obj = [Sub new];
+
+    testassert(101 == [[Sub class] classMethod]);
+    testassert(1010000 == [obj instanceMethod]);
+
+    cls = class_setSuperclass([Sub class], [Super2 class]);
+
+    testassert(cls == [Super1 class]);
+    testassert(cls->isa == [Super1 class]->isa);
+
+    testassert(102 == [[Sub class] classMethod]);
+    testassert(1020000 == [obj instanceMethod]);
+
+    succeed(__FILE__);
+}