Index: tests/language/function_subtype_factory0_test.dart |
diff --git a/tests/language/function_subtype_factory0_test.dart b/tests/language/function_subtype_factory0_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..91d6056e00570415d682629724009a027b523191 |
--- /dev/null |
+++ b/tests/language/function_subtype_factory0_test.dart |
@@ -0,0 +1,27 @@ |
+// 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. |
+// Dart test program for constructors and initializers. |
+ |
+// Check function subtyping with type variables in factory constructors. |
+ |
+import 'package:expect/expect.dart'; |
+ |
+typedef void Foo<T>(T t); |
+ |
+class C<T> { |
+ factory C(foo) { |
+ if (foo is Foo<T>) { |
+ return new C.internal(); |
+ } |
+ return null; |
+ } |
+ C.internal(); |
+} |
+ |
+void method(String s) {} |
+ |
+void main() { |
+ Expect.isNotNull(new C<String>(method)); |
+ Expect.isNull(new C<bool>(method)); |
+} |