/* * Copyright (c) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* * @tc.name:arrayjoin * @tc.desc:test Array.join * @tc.type: FUNC * @tc.require: issueI5NO8G */ let arr = [1, 2, 3, 4]; arr.fill(42, { toString() { arr.length = 0; } }); print(arr.length); print(arr); let rawProto = Number.prototype.__proto__; Number.prototype.__proto__ = ["tr"]; let v1 = 1.23; v1.fill(7); Number.prototype.__proto__ = rawProto print("fill Number Obj Success!") var log = []; var fake = { get source() { log.push("p"); return { toString: function() { log.push("ps"); return "pattern"; } }; }, get flags() { log.push("f"); return { toString: function() { log.push("fs"); return "flags"; } }; } } RegExp.prototype.toString.call(fake); print(JSON.stringify(["p", "ps", "f", "fs"]) == JSON.stringify(log));