2018-03-28 00:06:04 +00:00
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// Copyright (c) 2017, 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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2020-03-21 16:12:36 +00:00
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// @dart = 2.7
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2018-03-28 00:06:04 +00:00
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/// Test that optional arguments of js-interop constructors are not passed
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/// explicitly when missing.
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///
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/// This is a regression test for issue 32697
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import "package:js/js.dart";
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import "package:expect/expect.dart";
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import "dart:js" as js;
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@JS('C')
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class C {
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external C([a]);
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external bool get isUndefined;
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}
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main() {
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js.context.callMethod("eval", [
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"""
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function C(a){
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this.isUndefined = a === undefined;
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};
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"""
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]);
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Expect.isTrue(new C().isUndefined);
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}
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