// Copyright 2009 the Sputnik authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- info: | The shift function is intentionally generic. It does not require that its this value be an Array object esid: sec-array.prototype.shift description: > If ToUint32(length) equal zero, call the [[Put]] method of this object with arguments "length" and 0 and return undefined ---*/ var obj = {}; obj.shift = Array.prototype.shift; obj.length = NaN; var shift = obj.shift(); if (shift !== undefined) { throw new Test262Error('#1: var obj = {}; obj.length = NaN; obj.shift = Array.prototype.shift; obj.shift() === undefined. Actual: ' + (shift)); } if (obj.length !== 0) { throw new Test262Error('#2: var obj = {}; obj.length = NaN; obj.shift = Array.prototype.shift; obj.shift(); obj.length === 0. Actual: ' + (obj.length)); } obj.length = Number.NEGATIVE_INFINITY; var shift = obj.shift(); if (shift !== undefined) { throw new Test262Error('#5: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.shift = Array.prototype.shift; obj.shift() === undefined. Actual: ' + (shift)); } if (obj.length !== 0) { throw new Test262Error('#6: var obj = {}; obj.length = Number.NEGATIVE_INFINITY; obj.shift = Array.prototype.shift; obj.shift(); obj.length === 0. Actual: ' + (obj.length)); } obj.length = -0; var shift = obj.shift(); if (shift !== undefined) { throw new Test262Error('#7: var obj = {}; obj.length = -0; obj.shift = Array.prototype.shift; obj.shift() === undefined. Actual: ' + (shift)); } if (obj.length !== 0) { throw new Test262Error('#8: var obj = {}; obj.length = -0; obj.shift = Array.prototype.shift; obj.shift(); obj.length === 0. Actual: ' + (obj.length)); } else { if (1 / obj.length !== Number.POSITIVE_INFINITY) { throw new Test262Error('#8: var obj = {}; obj.length = -0; obj.shift = Array.prototype.shift; obj.shift(); obj.length === +0. Actual: ' + (obj.length)); } } obj.length = 0.5; var shift = obj.shift(); if (shift !== undefined) { throw new Test262Error('#9: var obj = {}; obj.length = 0.5; obj.shift = Array.prototype.shift; obj.shift() === undefined. Actual: ' + (shift)); } if (obj.length !== 0) { throw new Test262Error('#10: var obj = {}; obj.length = 0.5; obj.shift = Array.prototype.shift; obj.shift(); obj.length === 0. Actual: ' + (obj.length)); } obj.length = new Number(0); var shift = obj.shift(); if (shift !== undefined) { throw new Test262Error('#11: var obj = {}; obj.length = new Number(0); obj.shift = Array.prototype.shift; obj.shift() === undefined. Actual: ' + (shift)); } if (obj.length !== 0) { throw new Test262Error('#12: var obj = {}; obj.length = new Number(0); obj.shift = Array.prototype.shift; obj.shift(); obj.length === 0. Actual: ' + (obj.length)); } reportCompare(0, 0);