Stephen Adams
c9b0f56c19
Bug: #60538 Change-Id: If3347236e21cb1faf55252bc09778a8789b89b16 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/422364 Commit-Queue: Stephen Adams <sra@google.com> Reviewed-by: Srujan Gaddam <srujzs@google.com>
115 lines
3.4 KiB
Dart
115 lines
3.4 KiB
Dart
// Copyright (c) 2013, 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.
|
|
|
|
import 'native_testing.dart';
|
|
import 'dart:_js_helper' show setNativeSubclassDispatchRecord;
|
|
import 'dart:_interceptors'
|
|
show
|
|
// The interface, which may be re-exported by a js-interop library.
|
|
JSObject,
|
|
// The interceptor base class for all non-Dart objects. @Native classes
|
|
// should extend this class.
|
|
JavaScriptObject,
|
|
// The interceptor abstract class for non-Dart, non-@Native objects.
|
|
LegacyJavaScriptObject,
|
|
// The interceptor concrete sublass of LegacyJavaScriptObject for object
|
|
// literals and objects with `null` prototype.
|
|
PlainJavaScriptObject,
|
|
// The interceptor concrete subclass of LegacyJavaScriptObject for
|
|
// Objects with a prototype chain.
|
|
UnknownJavaScriptObject;
|
|
|
|
// Test for JavaScript objects from outside the Dart program. Although we only
|
|
// export the interface [JSObject] to user level code, this test makes sure we
|
|
// can distinguish plain JavaScript objects from ones with a complex prototype.
|
|
|
|
@Native('QQ')
|
|
class Q extends JavaScriptObject {}
|
|
|
|
makeA() native;
|
|
makeB() native;
|
|
makeQ() native;
|
|
|
|
void setup() {
|
|
JS('', r"""
|
|
(function(){
|
|
self.makeA = function(){return {hello: 123};};
|
|
|
|
function BB(){}
|
|
self.makeB = function(){return new BB();};
|
|
|
|
function QQ(){}
|
|
self.makeQ = function(){return new QQ();};
|
|
|
|
self.nativeConstructor(QQ);
|
|
})()""");
|
|
applyTestExtensions(['QQ']);
|
|
}
|
|
|
|
class Is<T> {
|
|
bool check(x) => x is T;
|
|
}
|
|
|
|
static_test() {
|
|
var x = makeA();
|
|
Expect.isTrue(x is JSObject);
|
|
Expect.isTrue(x is LegacyJavaScriptObject);
|
|
Expect.isTrue(x is PlainJavaScriptObject);
|
|
Expect.isFalse(x is UnknownJavaScriptObject);
|
|
Expect.equals(JSObject, x.runtimeType);
|
|
|
|
x = makeB();
|
|
Expect.isTrue(x is JSObject);
|
|
Expect.isTrue(x is LegacyJavaScriptObject);
|
|
Expect.isFalse(x is PlainJavaScriptObject);
|
|
Expect.isTrue(x is UnknownJavaScriptObject);
|
|
Expect.equals(JSObject, x.runtimeType);
|
|
|
|
x = makeQ();
|
|
Expect.isTrue(x is JSObject);
|
|
Expect.isFalse(x is LegacyJavaScriptObject);
|
|
Expect.isFalse(x is PlainJavaScriptObject);
|
|
Expect.isFalse(x is UnknownJavaScriptObject);
|
|
Expect.isFalse(x.runtimeType == JSObject);
|
|
Expect.isTrue(x is Q);
|
|
}
|
|
|
|
dynamic_test() {
|
|
var x = makeA();
|
|
var isJSObject = new Is<JSObject>().check;
|
|
var isLegacyJavaScriptObject = new Is<LegacyJavaScriptObject>().check;
|
|
var isPlainJavaScriptObject = new Is<PlainJavaScriptObject>().check;
|
|
var isUnknownJavaScriptObject = new Is<UnknownJavaScriptObject>().check;
|
|
var isQ = new Is<Q>().check;
|
|
|
|
Expect.isTrue(isJSObject(x));
|
|
Expect.isTrue(isLegacyJavaScriptObject(x));
|
|
Expect.isTrue(isPlainJavaScriptObject(x));
|
|
Expect.isFalse(isUnknownJavaScriptObject(x));
|
|
Expect.equals(JSObject, x.runtimeType);
|
|
|
|
x = makeB();
|
|
Expect.isTrue(isJSObject(x));
|
|
Expect.isTrue(isLegacyJavaScriptObject(x));
|
|
Expect.isFalse(isPlainJavaScriptObject(x));
|
|
Expect.isTrue(isUnknownJavaScriptObject(x));
|
|
Expect.equals(JSObject, x.runtimeType);
|
|
|
|
x = makeQ();
|
|
Expect.isTrue(isJSObject(x));
|
|
Expect.isFalse(isLegacyJavaScriptObject(x));
|
|
Expect.isFalse(isPlainJavaScriptObject(x));
|
|
Expect.isFalse(isUnknownJavaScriptObject(x));
|
|
Expect.isTrue(isQ(x));
|
|
Expect.isFalse(x.runtimeType == JSObject);
|
|
}
|
|
|
|
main() {
|
|
nativeTesting();
|
|
setup();
|
|
|
|
dynamic_test();
|
|
static_test();
|
|
}
|