| // 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. |
| |
| // @dart = 2.9 |
| |
| @JS() |
| library js_dart_to_string_test; |
| |
| import 'dart:html'; |
| |
| import 'package:js/js.dart'; |
| import 'package:expect/minitest.dart'; |
| |
| _injectJs() { |
| document.body.append(new ScriptElement() |
| ..type = 'text/javascript' |
| ..innerHtml = r""" |
| |
| function jsToStringViaCoercion(a) { |
| return a + ''; |
| }; |
| """); |
| } |
| |
| @JS() |
| external String jsToStringViaCoercion(obj); |
| |
| class ExampleClassWithCustomToString { |
| var x; |
| ExampleClassWithCustomToString(this.x); |
| String toString() => "#$x#"; |
| } |
| |
| main() { |
| _injectJs(); |
| |
| group('toString', () { |
| test('custom dart', () { |
| var x = new ExampleClassWithCustomToString("fooBar"); |
| expect(jsToStringViaCoercion(x), equals("#fooBar#")); |
| expect(jsToStringViaCoercion({'a': 1, 'b': 2}), equals("{a: 1, b: 2}")); |
| }); |
| }); |
| } |