1// Copyright JS Foundation and other contributors, http://js.foundation 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15// This test will not pass on FLOAT32 due to precision issues 16 17var len; 18var d = []; 19assert (d.length === 0); 20len = d.push(); 21assert (d.length === 0); 22assert (d.length === len); 23len = d.push(1); 24assert (d.length === 1); 25assert (d.length === len); 26len = d.push(2); 27assert (d.length === 2); 28assert (d.length === len); 29len = d.push('a'); 30assert (d.length === 3); 31assert (d.length === len); 32len = d.push('b', 'c', 3); 33assert (d.length == 6); 34assert (d.length === len); 35assert (d[0] === 1); 36assert (d[1] === 2); 37assert (d[2] === 'a'); 38assert (d[3] === 'b'); 39assert (d[4] === 'c'); 40assert (d[5] === 3); 41 42var a = []; 43a.length = 4294967294; 44assert(a.push("x") === 4294967295); 45assert(a.length === 4294967295); 46assert(a[4294967294] === "x"); 47 48try { 49 a.push("y"); 50 assert(false); 51} catch (e) { 52 assert (e instanceof RangeError); 53} 54assert(a.length === 4294967295) 55 56var o = { length : 4294967294, push : Array.prototype.push }; 57assert(o.push("x") === 4294967295); 58assert(o.length === 4294967295); 59assert(o[4294967294] === "x"); 60 61try { 62 assert(o.push("y") === 4294967296); 63} catch (e) { 64 assert(false); 65} 66assert(o.length === 4294967296); 67assert(o[4294967295] === "y"); 68 69/* ES v5.1 15.4.4.7.5. 70 Checking behavior when array is non-extensible while pushing */ 71var arr = []; 72Object.freeze(arr); 73 74try { 75 arr.push(1, 2); 76 assert(false); 77} catch (e) { 78 assert(e instanceof TypeError); 79} 80