JDK-8035312.js revision 1101:be3f5ca1edbf
1169691Skan/* 2169691Skan * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved. 3169691Skan * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4169691Skan * 5169691Skan * This code is free software; you can redistribute it and/or modify it 6169691Skan * under the terms of the GNU General Public License version 2 only, as 7169691Skan * published by the Free Software Foundation. 8169691Skan * 9169691Skan * This code is distributed in the hope that it will be useful, but WITHOUT 10169691Skan * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11169691Skan * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12169691Skan * version 2 for more details (a copy is included in the LICENSE file that 13169691Skan * accompanied this code). 14169691Skan * 15169691Skan * You should have received a copy of the GNU General Public License version 16169691Skan * 2 along with this work; if not, write to the Free Software Foundation, 17169691Skan * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18169691Skan * 19169691Skan * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20169691Skan * or visit www.oracle.com if you need additional information or have any 21169691Skan * questions. 22169691Skan */ 23169691Skan 24169691Skan/** 25169691Skan * JDK-8035312 push to frozen array must not increase length property 26169691Skan * 27169691Skan * @test 28169691Skan * @run 29169691Skan * @fork 30169691Skan * @option -Dnashorn.debug=true 31169691Skan */ 32169691Skan 33169691Skanfunction printArrayDataClass(x) { 34169691Skan if (typeof Debug !== 'undefined') { 35169691Skan print(Debug.getArrayDataClass(x)); 36169691Skan } 37169691Skan} 38169691Skan 39169691Skanfunction gpush(x, elem) { 40169691Skan try { 41169691Skan print("Pushing " + elem + " to " + x); 42169691Skan x.push(elem); 43169691Skan } catch (e) { 44169691Skan print("caught error" + e); 45169691Skan } 46169691Skan print("\tarray is now [" + x + "] length is = " + x.length); 47169691Skan print(); 48169691Skan printArrayDataClass(x); 49169691Skan} 50169691Skan 51169691Skanfunction gpop(x) { 52169691Skan try { 53169691Skan print("Popping from " + x); 54169691Skan x.pop(); 55169691Skan } catch (e) { 56169691Skan if (!(e instanceof TypeError)) { 57169691Skan print("e of wrong type " + e); 58169691Skan } 59169691Skan } 60169691Skan print("\tarray is now [" + x + "] length is = " + x.length); 61169691Skan print(); 62169691Skan printArrayDataClass(x); 63169691Skan} 64169691Skan 65169691Skanfunction checkArray(x) { 66169691Skan print(); 67169691Skan print(">>> Push test"); 68169691Skan 69169691Skan var olen = x.length; 70169691Skan gpush(x, 0); 71169691Skan 72169691Skan print("x.length === " + x.length + " (should be " + olen + ")"); 73169691Skan print("x[3] === " + x[3] + " (should be 0)"); 74169691Skan print("x[4] === " + x[4] + " (should be undefined)"); 75169691Skan 76169691Skan print(); 77169691Skan print(">>> Pop test"); 78169691Skan gpop(x); 79169691Skan gpop(x); 80169691Skan print("x.length === " + x.length + " (should be " + olen + ")"); 81169691Skan print("x === " + x); 82169691Skan 83169691Skan for (var i = 0 ; i < 5; i++) { 84169691Skan gpop(x); 85169691Skan } 86169691Skan 87169691Skan print("x.length === " + x.length + " (should be " + olen + ")"); 88169691Skan print("x === " + x); 89169691Skan} 90169691Skan 91169691Skanprint("*** Freezing"); 92169691Skanvar frozen = [1,2,3]; 93169691SkanObject.freeze(frozen); 94169691SkancheckArray(frozen); 95169691SkanprintArrayDataClass(frozen); 96169691Skan 97169691Skan//so far so good 98169691Skan 99169691Skanprint(); 100169691Skanprint("*** Other length not writable issues"); 101169691Skanvar lengthNotWritable = [1,2,3]; 102169691SkanObject.defineProperty(lengthNotWritable, "length", { writable: false }); 103169691SkancheckArray(lengthNotWritable); 104169691SkanprintArrayDataClass(lengthNotWritable); 105169691Skan 106169691Skanfunction set(array, from, to, stride) { 107169691Skan //add three elements 108169691Skan for (var i = from; i < to; i+=stride) { 109169691Skan try { 110169691Skan print("Writing " + i); 111169691Skan array[i] = i; 112169691Skan printArrayDataClass(array); 113169691Skan } catch (e) { 114169691Skan print(e instanceof TypeError); 115169691Skan } 116169691Skan } 117169691Skan} 118169691Skan 119169691Skan//define empty array with non writable length 120169691Skanvar arr = [1]; 121169691SkanObject.defineProperty(arr, "length", { writable: false }); 122169691Skan 123169691Skanvar olen2 = arr.length; 124169691Skan 125169691Skanset(arr, 0, 3, 1); 126169691Skan 127169691Skanif (arr.length != olen2) { 128169691Skan throw new ("error: " + arr.length + " != " + olen2); 129169691Skan} 130169691Skan 131print(); 132print("array writing 0-3, with 1 stride, array = " + arr); 133print("length = " + arr.length + ", but elements are: " + arr[0] + " " + arr[1] + " " + arr[2]); 134print(); 135 136//do the same but sparse/deleted range 137var arr2 = [1]; 138Object.defineProperty(arr2, "length", { writable: false }); 139 140print("initial length = " + arr2.length); 141var olen3 = arr2.length; 142 143set(arr2, 0, 30, 3); 144 145if (arr2.length != olen3) { 146 throw new ("error: " + arr2.length + " != " + olen3); 147} 148 149print(); 150var larger = 20; 151print("array writing 0-" + larger + ", with 3 stride, array = " + arr2); 152print("length = " + arr2.length + ", but elements are: " + arr2[0] + " " + arr2[1] + " " + arr2[2]); 153 154for (var i = 0; i < larger; i++) { 155 if (arr2[i] === undefined) { 156 continue; 157 } 158 print(arr2[i] + " has length " + arr2.length); 159} 160 161print(); 162var elem = 0x7fffffff - 10; 163printArrayDataClass(arr2); 164print("adding a new element high up in the array"); 165print("length before element was added " + arr2.length); 166print("putting sparse at " + elem); 167arr2[elem] = "sparse"; 168print("length after element was added " + arr2.length + " should be the same"); 169printArrayDataClass(arr2); 170 171print(); 172print("Printing arr2 - this will fail if length is > 28 and it is " + arr2.length); 173print("arr2 = [" + arr2 + "]"); 174print("new length that should not be writable = " + arr2.length); 175print(arr2[elem] === "sparse"); 176print(arr2[elem]); 177for (var i = 0; i < larger; i++) { 178 print(arr2[i]); 179} 180for (var key in arr2) { 181 print(key + ":" + arr2[key]); 182} 183 184//issues reported by sundar - generic setter doesn't go through push/pop bulkable 185 186function sundarExample2(arr, _writable) { 187 print("Checking if push works for bulkable non bulkable arrays - Setting length property not allowed"); 188 arr[0] = "bar"; 189 print(arr.length + " should be 1"); // should be 1 190 print(arr[0] + " should be bar"); 191 print("["+ arr + "] should be [bar]"); 192 193 // Object.defineProperty(arr, "length", { configurable: _writable }); 194 Object.defineProperty(arr, "length", { writable: _writable }); 195 arr[1] = "baz"; 196 197 if (_writable) { 198 print(arr.length + " should be 2"); 199 print(arr[0] + " should be bar"); 200 print(arr[1] + " should be baz"); 201 print("["+ arr + "] should be [bar,baz]"); 202 } else { 203 print(arr.length + " should STILL be 1"); 204 print(arr[0] + " should be bar"); 205 print(arr[1] + " should be baz"); 206 print("["+ arr + "] should be [bar]"); 207 } 208} 209 210var newArr1 = []; 211sundarExample2(newArr1, false); 212print(); 213try { 214 sundarExample2(newArr1, true); 215 print("should not get here"); 216} catch (e) { 217 if (!(e instanceof TypeError)) { 218 print("Wrong exception"); 219 } 220 print("got TypeError when redefining length, as expected") 221} 222print(); 223 224sundarExample2([], true); 225print("Done"); 226