Index: test/codegen/covariance.dart |
diff --git a/test/codegen/covariance.dart b/test/codegen/covariance.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..89c27615a523fedc6f4e536c89e221892b84b070 |
--- /dev/null |
+++ b/test/codegen/covariance.dart |
@@ -0,0 +1,27 @@ |
+// Copyright (c) 2015, 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. |
+ |
+class Foo<T> { |
+ T _t; |
+ add(T t) { |
+ _t = t; |
+ } |
+ |
+ forEach(void fn(T t)) { |
+ // No check needed for `fn` |
+ fn(_t); |
+ } |
+} |
+ |
+class Bar extends Foo<int> { |
+ add(int x) { |
+ print('Bar.add got $x'); |
+ super.add(x); |
+ } |
+} |
+ |
+main() { |
+ Foo<Object> foo = new Bar(); |
+ foo.add('hi'); // should throw |
+} |