Index: pkg/front_end/testcases/runtime_checks/covariant_keyword.dart |
diff --git a/pkg/front_end/testcases/runtime_checks/covariant_keyword.dart b/pkg/front_end/testcases/runtime_checks/covariant_keyword.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..70a2b90c7054efbbd9a1075036db669bdacd1acd |
--- /dev/null |
+++ b/pkg/front_end/testcases/runtime_checks/covariant_keyword.dart |
@@ -0,0 +1,35 @@ |
+// Copyright (c) 2017, 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. |
+ |
+/*@testedFeatures=checks*/ |
+library test; |
+ |
+typedef F<T>(T x); |
+ |
+class C { |
+ void f(num x) {} |
+} |
+ |
+class D extends C { |
+ void f(covariant int /*@checkFormal=unsafe*/ x) {} |
+} |
+ |
+class E extends D { |
+ void f(int /*@checkFormal=unsafe*/ x) {} |
+} |
+ |
+void g1(C c) { |
+ c.f(1.5); |
+} |
+ |
+F<num> g2(C c) { |
+ return c.f; |
+} |
+ |
+test() { |
+ g1(new D()); |
+ F<num> x = g2(new D()); |
+} |
+ |
+main() {} |