Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(1449)

Unified Diff: tests/language/function_subtype_cast2_test.dart

Issue 12334070: Support runtime check of function types. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Minor fix Created 7 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: tests/language/function_subtype_cast2_test.dart
diff --git a/tests/language/function_subtype_cast2_test.dart b/tests/language/function_subtype_cast2_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..3f1aaa6545d2dd025253d73833564a18e0af7419
--- /dev/null
+++ b/tests/language/function_subtype_cast2_test.dart
@@ -0,0 +1,30 @@
+// 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 casts.
+
+import 'package:expect/expect.dart';
+
+typedef void Foo<T>(T t);
+typedef void Bar(int i);
+
+class Class<T> {
+ test(bool expectedResult, var o, String typeName) {
+ if (expectedResult) {
+ Expect.isNotNull(o as Foo<T>, "bar as Foo<$typeName>");
+ } else {
+ Expect.throws(() => o as Foo<T>, (e) => true, "bar as Foo<$typeName>");
+ }
+ Expect.isNotNull(o as Bar, "bar as Bar");
+ }
+}
+
+void bar(int i) {}
+
+void main() {
+ new Class().test(true, bar, "dynamic");
+ new Class<int>().test(true, bar, "int");
+ new Class<bool>().test(false, bar, "bool");
+}

Powered by Google App Engine
This is Rietveld 408576698