S11.3.1_A4_T4.js (553B)
1 // Copyright 2009 the Sputnik authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 info: Operator x++ returns ToNumber(x) 6 es5id: 11.3.1_A4_T4 7 description: Type(x) is undefined or null 8 ---*/ 9 10 //CHECK#1 11 var x; 12 var y = x++; 13 if (isNaN(y) !== true) { 14 throw new Test262Error('#1: var x; var y = x++; y === Not-a-Number. Actual: ' + (y)); 15 } 16 17 //CHECK#2 18 var x = null; 19 var y = x++; 20 if (y !== 0) { 21 throw new Test262Error('#2: var x = null; var y = x++; y === 0. Actual: ' + (y)); 22 } 23 24 reportCompare(0, 0);