Add test for type variable ownership.

tests/lib/mirrors/type_variable_owner_test.dart

Index: tests/lib/mirrors/type_variable_owner_test.dart
diff --git a/tests/lib/mirrors/type_variable_owner_test.dart b/tests/lib/mirrors/type_variable_owner_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..c71e39a909377f7e2f0b48928ca84f5e993182bd
--- /dev/null
+++ b/tests/lib/mirrors/type_variable_owner_test.dart
@@ -0,0 +1,32 @@
+// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library test.type_variable_owner;
+
+import "dart:mirrors";
+
+import "package:expect/expect.dart";
+
+class A<T> {}
+class B<R> extends A<R> {}
+
+main() {
+  ClassMirror aDecl = reflectClass(A);
+  ClassMirror bDecl = reflectClass(B);
+  ClassMirror aOfInt = reflect(new A<int>()).type;
+  ClassMirror aOfR = bDecl.superclass;
+  ClassMirror bOfString = reflect(new B<String>()).type;
+  ClassMirror aOfString = bOfString.superclass;
+
+  // Owner of a type variable should be the declaration of the generic class,
+  // not an instantiation.
+
+  Expect.equals(aDecl, aDecl.typeVariables[0].owner);
+  Expect.equals(aDecl, aOfInt.typeVariables[0].owner);
+  Expect.equals(aDecl, aOfR.typeVariables[0].owner);
+  Expect.equals(aDecl, aOfString.typeVariables[0].owner);
+  
+  Expect.equals(bDecl, bDecl.typeVariables[0].owner);
+  Expect.equals(bDecl, bOfString.typeVariables[0].owner);
+}