v8/test/mjsunit/web-snapshot/web-snapshot-builtin.js
jameslahm df251e4496 [web snapshot] Add verification mode
We should verify the consistency of the objects we produced after deserializing successfully.

Bug: v8:11525
Change-Id: Ieec1aa7112ab6eda0c61a1a9ab78e86ad8352942
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3813061
Commit-Queue: 王澳 <wangao.james@bytedance.com>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82272}
2022-08-08 15:47:22 +00:00

40 lines
1.3 KiB
JavaScript

// Copyright 2022 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --experimental-d8-web-snapshot-api --allow-natives-syntax --verify-heap
'use strict';
d8.file.execute('test/mjsunit/web-snapshot/web-snapshot-helpers.js');
(function TestBuiltin() {
function createObjects() {
globalThis.obj1 = {'a': Error};
globalThis.obj2 = {'b': Error.prototype};
}
const realm = Realm.create();
const {obj1, obj2} = takeAndUseWebSnapshot(
createObjects, ['obj1', 'obj2'], realm);
assertTrue(obj1.a === Realm.eval(realm, "Error"));
assertTrue(obj2.b === Realm.eval(realm, "Error.prototype"));
})();
(function TestInheritFromBuiltin() {
function createObjects() {
function inherit(subclass, superclass) {
function middle() {}
middle.prototype = superclass.prototype;
subclass.prototype = new middle();
subclass.prototype.constructor = subclass;
};
function MyError() {}
inherit(MyError, Error);
globalThis.MyError = MyError;
}
const realm = Realm.create();
const {MyError} = takeAndUseWebSnapshot(createObjects, ['MyError'], realm);
const obj = new MyError();
assertTrue(obj.__proto__.__proto__ === Realm.eval(realm, "Error.prototype"));
})();