24 lines
748 B
JavaScript
24 lines
748 B
JavaScript
|
// Copyright 2018 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: --allow-natives-syntax --no-stress-opt
|
||
|
|
|
||
|
|
var set = new Set([1,2,3]);
|
||
|
|
|
||
|
|
assertTrue(%SetIteratorProtector());
|
||
|
|
assertTrue(%MapIteratorProtector());
|
||
|
|
|
||
|
|
// This changes %SetIteratorPrototype%. No more tests should be run after this
|
||
|
|
// in the same instance.
|
||
|
|
var iterator = set.keys();
|
||
|
|
iterator.__proto__.next = () => ({done: true});
|
||
|
|
|
||
|
|
assertFalse(%SetIteratorProtector());
|
||
|
|
assertTrue(%MapIteratorProtector());
|
||
|
|
assertEquals([], [...set]);
|
||
|
|
assertEquals([], [...set.entries()]);
|
||
|
|
assertEquals([], [...set.keys()]);
|
||
|
|
assertEquals([], [...set.values()]);
|
||
|
|
assertEquals([], [...iterator]);
|