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39509bae5f
Change-Id: I01cf3de95f4d7c67f97d440187a2d7254c7daecc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/140646 Reviewed-by: Bob Nystrom <rnystrom@google.com>
44 lines
999 B
Dart
44 lines
999 B
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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@JS()
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library js_dart_to_string_test;
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import 'dart:html';
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import 'package:js/js.dart';
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import 'package:expect/minitest.dart';
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_injectJs() {
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document.body!.append(new ScriptElement()
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..type = 'text/javascript'
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..innerHtml = r"""
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function jsToStringViaCoercion(a) {
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return a + '';
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};
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""");
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}
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@JS()
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external String jsToStringViaCoercion(obj);
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class ExampleClassWithCustomToString {
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var x;
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ExampleClassWithCustomToString(this.x);
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String toString() => "#$x#";
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}
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main() {
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_injectJs();
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group('toString', () {
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test('custom dart', () {
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var x = new ExampleClassWithCustomToString("fooBar");
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expect(jsToStringViaCoercion(x), equals("#fooBar#"));
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expect(jsToStringViaCoercion({'a': 1, 'b': 2}), equals("{a: 1, b: 2}"));
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});
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});
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}
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