Index: test/codegen/lib/html/js_typed_interop_side_cast_exp_test.dart |
diff --git a/test/codegen/lib/html/js_typed_interop_side_cast_exp_test.dart b/test/codegen/lib/html/js_typed_interop_side_cast_exp_test.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8b67c7b72ed831d00a6aa3f30a314095f027bc92 |
--- /dev/null |
+++ b/test/codegen/lib/html/js_typed_interop_side_cast_exp_test.dart |
@@ -0,0 +1,54 @@ |
+// 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. |
+// |
+// SharedOptions=--experimental-trust-js-interop-type-annotations |
+ |
+// Similar test to js_typed_interop_side_cast, but because we are using the |
+// --experimental-trust-js-interop-type-annotations flag, we test a slighly |
+// different behavior. |
+@JS() |
+library js_typed_interop_side_cast_exp_test; |
+ |
+import 'dart:html'; |
+import 'dart:js' as js; |
+ |
+import 'package:js/js.dart'; |
+import 'package:unittest/unittest.dart'; |
+import 'package:unittest/html_config.dart'; |
+ |
+@JS() @anonymous |
+class A { |
+ external int get x; |
+ external factory A({int x}); |
+} |
+ |
+@JS() @anonymous |
+class B { |
+ external int get x; |
+ external factory B({int x}); |
+} |
+ |
+@JS() @anonymous |
+class C { |
+ external int get x; |
+ external factory C({int x}); |
+} |
+ |
+main() { |
+ useHtmlConfiguration(); |
+ |
+ test('side-casts work for reachable types', () { |
+ new C(x: 3); // make C reachable |
+ var a = new A(x: 3); |
+ expect(a is C, isTrue); |
+ C c = a; |
+ expect(c.x, equals(3)); |
+ }); |
+ |
+ // Note: this test would fail without the experimental flag. |
+ test('side-casts do not work for unreachable types', () { |
+ var a = new A(x: 3); |
+ expect(a is B, isFalse); |
+ }); |
+} |