Nicholas Shahan
c2a879e41d
The existing usage will no longer work as expected once the security measures to prevent native Object prototype pollution are enabled. The recommended replacements are `Object.getPrototypeOf()` and `Object.setPrototypeOf()`. Change-Id: I0617233bd31ccd2afc9f94c527eecb31c5f1b340 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/330047 Reviewed-by: Srujan Gaddam <srujzs@google.com> Commit-Queue: Nicholas Shahan <nshahan@google.com>
136 lines
3.3 KiB
Dart
136 lines
3.3 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 findInterceptorForType, findConstructorForNativeSubclassType;
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// Test for super access from classes that extend native classes.
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@Native("N1")
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class N1 {}
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@Native("N2")
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class N2 extends N1 {
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N2.init();
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void set text(String unused) native;
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String get text native;
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foo() native;
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}
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class AA extends N2 {
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AA.init() : super.init();
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String? afield;
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afun() => 'afun:$afield';
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}
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class BB extends AA {
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BB.init() : super.init();
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get text => super.text;
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set text(value) => super.text = value;
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foo() => super.foo();
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get afield => super.afield;
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set afield(value) => super.afield = value;
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afun() => super.afun();
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}
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BB makeBB() native;
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@Creates('=Object')
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getBBPrototype() native;
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void setup() {
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JS('', r"""
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(function(){
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function N2() {}
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N2.prototype.foo = function() { return "foo:" + this.text; };
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function BB() {}
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Object.setPrototypeOf(BB.prototype, N2.prototype);
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self.makeBB = function(){return new BB()};
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self.getBBPrototype = function(){return BB.prototype;};
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})()""");
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}
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testSuperOnNative() {
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BB b1 = makeBB();
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BB b2 = makeBB();
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var constructor = findConstructorForNativeSubclassType(BB, 'init');
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Expect.isNotNull(constructor);
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JS('', '#(#)', constructor, b1);
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JS('', '#(#)', constructor, b2);
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b1.text = confuse('one');
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b2.text = confuse('two');
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print('b1.text ${confuse(b1).text}');
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print('b2.text ${confuse(b2).text}');
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print('b1.foo() ${confuse(b1).foo()}');
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print('b2.foo() ${confuse(b2).foo()}');
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Expect.equals('one', b1.text);
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Expect.equals('two', b2.text);
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Expect.equals('foo:one', b1.foo());
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Expect.equals('foo:two', b2.foo());
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confuse(b1).text = confuse('three');
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confuse(b2).text = confuse('four');
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Expect.equals('three', confuse(b1).text);
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Expect.equals('four', confuse(b2).text);
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Expect.equals('foo:three', confuse(b1).foo());
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Expect.equals('foo:four', confuse(b2).foo());
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}
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testSuperOnSubclassOfNative() {
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BB b1 = makeBB();
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BB b2 = makeBB();
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var constructor = findConstructorForNativeSubclassType(BB, 'init');
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Expect.isNotNull(constructor);
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JS('', '#(#)', constructor, b1);
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JS('', '#(#)', constructor, b2);
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b1.afield = confuse('one');
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b2.afield = confuse('two');
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print('b1.afield ${confuse(b1).afield}');
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print('b2.afield ${confuse(b2).afield}');
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print('b1.afun() ${confuse(b1).afun()}');
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print('b2.afun() ${confuse(b2).afun()}');
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Expect.equals('one', b1.afield);
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Expect.equals('two', b2.afield);
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Expect.equals('afun:one', b1.afun());
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Expect.equals('afun:two', b2.afun());
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confuse(b1).afield = confuse('three');
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confuse(b2).afield = confuse('four');
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Expect.equals('three', confuse(b1).afield);
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Expect.equals('four', confuse(b2).afield);
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Expect.equals('afun:three', confuse(b1).afun());
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Expect.equals('afun:four', confuse(b2).afun());
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}
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main() {
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nativeTesting();
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setup();
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setNativeSubclassDispatchRecord(getBBPrototype(), findInterceptorForType(BB));
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testSuperOnNative();
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testSuperOnSubclassOfNative();
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}
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