S11.13.2_A4.9_T2.4.js (953B)
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: The production x &= y is the same as x = x & y 6 es5id: 11.13.2_A4.9_T2.4 7 description: > 8 Type(x) is different from Type(y) and both types vary between 9 Number (primitive or object) and Undefined 10 ---*/ 11 12 var x; 13 14 //CHECK#1 15 x = 1; 16 x &= undefined; 17 if (x !== 0) { 18 throw new Test262Error('#1: x = 1; x &= undefined; x === 0. Actual: ' + (x)); 19 } 20 21 //CHECK#2 22 x = undefined; 23 x &= 1; 24 if (x !== 0) { 25 throw new Test262Error('#2: x = undefined; x &= 1; x === 0. Actual: ' + (x)); 26 } 27 28 //CHECK#3 29 x = new Number(1); 30 x &= undefined; 31 if (x !== 0) { 32 throw new Test262Error('#3: x = new Number(1); x &= undefined; x === 0. Actual: ' + (x)); 33 } 34 35 //CHECK#4 36 x = undefined; 37 x &= new Number(1); 38 if (x !== 0) { 39 throw new Test262Error('#4: x = undefined; x &= new Number(1); x === 0. Actual: ' + (x)); 40 } 41 42 reportCompare(0, 0);