Robert Nystrom
2f2bdc3c22
Change-Id: I182e28a3c4b44dd899e5ea30ac5c5c3ba60fd6cc Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/425333 Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com>
18 lines
586 B
Dart
18 lines
586 B
Dart
// Copyright (c) 2014, 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.
|
|
|
|
library null_test;
|
|
|
|
import 'dart:js';
|
|
import 'package:expect/expect.dart';
|
|
|
|
main() {
|
|
context.callMethod('eval', ['isNull = function (x) { return x === null; }']);
|
|
context.callMethod('eval', [
|
|
'isUndefined = function (x) { return x === void 0; }',
|
|
]);
|
|
Expect.isTrue(context['isNull'].apply([null]));
|
|
Expect.isFalse(context['isUndefined'].apply([null]));
|
|
}
|