// Copyright 2015 Samsung Electronics Co., Ltd. // Copyright 2015 University of Szeged. // // 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. var array = [54, undefined, "Lemon", -127]; var array1 = array.slice(); var array2 = array.slice("a", "3"); var array3 = array.slice(-2); var array4 = array.slice(-12, undefined); var array5 = array.slice(undefined, -3); var array6 = array.slice(Infinity, NaN); var array7 = array.slice(-Infinity, Infinity); var array8 = array.slice(NaN, -Infinity); assert (array1.length == 4); assert (array1[0] == 54); assert (array1[1] == undefined); assert (array1[2] == "Lemon"); assert (array1[3] == -127); assert (array2.length == 3); assert (array2[0] == 54); assert (array2[1] == undefined); assert (array2[2] == "Lemon"); assert (array3.length == 2); assert (array3[0] == "Lemon"); assert (array3[1] == -127); assert (array4.length == 4); assert (array4[0] == 54); assert (array4[1] == undefined); assert (array4[2] == "Lemon"); assert (array4[3] == -127); assert (array5.length == 1); assert (array5[0] == 54); assert (array6.length == 0); assert (array7.length == 4); assert (array7[0] == 54); assert (array7[1] == undefined); assert (array7[2] == "Lemon"); assert (array7[3] == -127); assert (array8.length == 0); // Checking behavior when unable to get length var obj = { slice : Array.prototype.slice }; Object.defineProperty(obj, 'length', { 'get' : function () { throw new ReferenceError ("foo"); } }); try { obj.slice(1, 2); assert (false); } catch (e) { assert (e.message === "foo"); assert (e instanceof ReferenceError); } // Checking behavior when unable to get element var obj = { length : 1, slice : Array.prototype.slice }; Object.defineProperty(obj, '0', { 'get' : function () { throw new ReferenceError ("foo"); } }); try { obj.slice(0, 1); assert (false); } catch (e) { assert (e.message === "foo"); assert (e instanceof ReferenceError); }