blob: 0a3be04a0d2d62b60359e35adf52daf81ae5095c [file] [log] [blame]
// 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}"));
});
});
}