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8ca97716cc
Some expectations in these tests do not match the language specification or are undefined. These tests should help: - avoid regressions in the existing behavior - highlight incremental improvements towards implementing the desired behavior (with corresponding changes to the expectations) - identify the differences between the JavaScript compilers Change-Id: Icaa7371b3cf8c4221e4348176f712b3d03196720 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/359245 Commit-Queue: Nicholas Shahan <nshahan@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com> Reviewed-by: Bob Nystrom <rnystrom@google.com> Reviewed-by: Sigmund Cherem <sigmund@google.com>
57 lines
1.4 KiB
Dart
57 lines
1.4 KiB
Dart
// Copyright (c) 2024, 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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import 'package:js/js.dart';
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const dart2js = const bool.fromEnvironment('dart.library._dart2js_only');
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@pragma('dart2js:noInline')
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@pragma('dart2js:assumeDynamic')
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dynamic confuse(dynamic x) => x;
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@JS()
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external dynamic eval(String script);
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void injectJS() {
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eval(
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'''
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self.jsFunction = function(s) {
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if (this == null) {
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throw "`this` is null or undefined";
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}
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if (typeof s != 'string') {
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throw "`s` is not a string";
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}
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return s.at(0);
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};
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self.jsObject = { call: function(s) {
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if (this == null) {
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throw "`this` is null or undefined";
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}
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if (typeof s != 'string') {
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throw "`s` is not a string";
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}
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return s.at(0);
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} };
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self.NamedClass = class NamedClass {
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call(s) {
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if (this == null) {
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throw "`this` is null or undefined";
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}
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if (typeof s != 'string') {
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throw "`s` is not a string";
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}
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return s.at(0);
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}
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}
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self.jsClass = new NamedClass();
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''',
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);
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}
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bool jsThisIsNullCheck(e) =>
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e.toString().contains('`this` is null or undefined');
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bool jsArgIsNotStringCheck(e) => e.toString().contains('`s` is not a string');
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