// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: | The slice function is intentionally generic. It does not require that its this value be an Array object esid: sec-array.prototype.slice description: > If start is negative, use max(start + length, 0). If end is negative, use max(end + length, 0) ---*/ var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5, -2); arr.getClass = Object.prototype.toString; if (arr.getClass() !== "[object " + "Array" + "]") { throw new Test262Error('#1: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr is Array object. Actual: ' + (arr.getClass())); } if (arr.length !== 3) { throw new Test262Error('#2: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr.length === 3. Actual: ' + (arr.length)); } if (arr[0] !== 0) { throw new Test262Error('#3: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr[0] === 0. Actual: ' + (arr[0])); } if (arr[1] !== 1) { throw new Test262Error('#4: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr[1] === 1. Actual: ' + (arr[1])); } if (arr[2] !== 2) { throw new Test262Error('#5: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr[2] === 2. Actual: ' + (arr[2])); } if (arr[3] !== undefined) { throw new Test262Error('#6: var obj = {}; obj.slice = Array.prototype.slice; obj[0] = 0; obj[1] = 1; obj[2] = 2; obj[3] = 3; obj[4] = 4; obj.length = 5; var arr = obj.slice(-5,-2); arr[3] === undefined. Actual: ' + (arr[3])); } reportCompare(0, 0);