S11.4.4_A4_T3.js (705B)
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) + 1 6 es5id: 11.4.4_A4_T3 7 description: Type(x) is string primitive or String object 8 ---*/ 9 10 //CHECK#1 11 var x = "1"; 12 if (++x !== 1 + 1) { 13 throw new Test262Error('#1: var x = "1"; ++x === 1 + 1. Actual: ' + (++x)); 14 } 15 16 //CHECK#2 17 var x = "x"; 18 if (isNaN(++x) !== true) { 19 throw new Test262Error('#2: var x = "x"; ++x === Not-a-Number. Actual: ' + (++x)); 20 } 21 22 //CHECK#3 23 var x = new String("-1"); 24 if (++x !== -1 + 1) { 25 throw new Test262Error('#3: var x = new String("-1"); ++x === -1 + 1. Actual: ' + (++x)); 26 } 27 28 reportCompare(0, 0);