Sigmund Cherem
912005267d
Change-Id: I46be49b2effec3e38a3dc44cd45cfe736f77fa78 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/182680 Commit-Queue: Sigmund Cherem <sigmund@google.com> Reviewed-by: Joshua Litt <joshualitt@google.com> Reviewed-by: Nicholas Shahan <nshahan@google.com> Reviewed-by: Stephen Adams <sra@google.com>
108 lines
3.0 KiB
Dart
108 lines
3.0 KiB
Dart
// Copyright (c) 2013, 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 'native_testing.dart';
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import 'dart:_js_helper' show setNativeSubclassDispatchRecord;
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import 'dart:_interceptors'
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show
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JSObject, // The interface, which may be re-exported by a
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// js-interop library.
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JavaScriptObject, // The interceptor abstract class.
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PlainJavaScriptObject, // The interceptor concrete class.
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UnknownJavaScriptObject, // The interceptor concrete class.
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Interceptor;
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// Test for JavaScript objects from outside the Dart program. Although we only
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// export the interface [JSObject] to user level code, this test makes sure we
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// can distinguish plain JavaScript objects from ones with a complex prototype.
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@Native('QQ')
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class Q {}
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makeA() native;
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makeB() native;
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makeQ() native;
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void setup() {
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JS('', r"""
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(function(){
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self.makeA = function(){return {hello: 123};};
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function BB(){}
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self.makeB = function(){return new BB();};
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function QQ(){}
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self.makeQ = function(){return new QQ();};
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self.nativeConstructor(QQ);
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})()""");
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applyTestExtensions(['QQ']);
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}
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class Is<T> {
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bool check(x) => x is T;
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}
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static_test() {
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var x = makeA();
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Expect.isTrue(x is JSObject);
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Expect.isTrue(x is JavaScriptObject);
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Expect.isTrue(x is PlainJavaScriptObject);
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Expect.isTrue(x is! UnknownJavaScriptObject);
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Expect.equals(JSObject, x.runtimeType);
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x = makeB();
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Expect.isTrue(x is JSObject);
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Expect.isTrue(x is JavaScriptObject);
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Expect.isTrue(x is! PlainJavaScriptObject);
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Expect.isTrue(x is UnknownJavaScriptObject);
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Expect.equals(JSObject, x.runtimeType);
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x = makeQ();
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Expect.isFalse(x is JSObject);
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Expect.isFalse(x is JavaScriptObject);
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Expect.isFalse(x is PlainJavaScriptObject);
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Expect.isFalse(x is UnknownJavaScriptObject);
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Expect.isFalse(x.runtimeType == JSObject);
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Expect.isTrue(x is Q);
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}
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dynamic_test() {
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var x = makeA();
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var isJSObject = new Is<JSObject>().check;
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var isJavaScriptObject = new Is<JavaScriptObject>().check;
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var isPlainJavaScriptObject = new Is<PlainJavaScriptObject>().check;
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var isUnknownJavaScriptObject = new Is<UnknownJavaScriptObject>().check;
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var isQ = new Is<Q>().check;
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Expect.isTrue(isJSObject(x));
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Expect.isTrue(isJavaScriptObject(x));
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Expect.isTrue(isPlainJavaScriptObject(x));
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Expect.isTrue(!isUnknownJavaScriptObject(x));
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Expect.equals(JSObject, x.runtimeType);
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x = makeB();
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Expect.isTrue(isJSObject(x));
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Expect.isTrue(isJavaScriptObject(x));
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Expect.isTrue(!isPlainJavaScriptObject(x));
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Expect.isTrue(isUnknownJavaScriptObject(x));
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Expect.equals(JSObject, x.runtimeType);
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x = makeQ();
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Expect.isFalse(isJSObject(x));
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Expect.isFalse(isJavaScriptObject(x));
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Expect.isFalse(isPlainJavaScriptObject(x));
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Expect.isFalse(isUnknownJavaScriptObject(x));
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Expect.isTrue(isQ(x));
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Expect.isFalse(x.runtimeType == JSObject);
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}
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main() {
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nativeTesting();
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setup();
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dynamic_test();
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static_test();
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}
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