S11.13.2_A4.5_T2.8.js (1066B)
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_A4.5_T2.8 7 description: > 8 Type(x) is different from Type(y) and both types vary between 9 Boolean (primitive or object) and Undefined 10 ---*/ 11 12 var x; 13 14 //CHECK#1 15 x = true; 16 x -= undefined; 17 if (isNaN(x) !== true) { 18 throw new Test262Error('#1: x = true; x -= undefined; x === Not-a-Number. Actual: ' + (x)); 19 } 20 21 //CHECK#2 22 x = undefined; 23 x -= true; 24 if (isNaN(x) !== true) { 25 throw new Test262Error('#2: x = undefined; x -= true; x === Not-a-Number. Actual: ' + (x)); 26 } 27 28 //CHECK#3 29 x = new Boolean(true); 30 x -= undefined; 31 if (isNaN(x) !== true) { 32 throw new Test262Error('#3: x = new Boolean(true); x -= undefined; x === Not-a-Number. Actual: ' + (x)); 33 } 34 35 //CHECK#4 36 x = undefined; 37 x -= new Boolean(true); 38 if (isNaN(x) !== true) { 39 throw new Test262Error('#4: x = undefined; x -= new Boolean(true); x === Not-a-Number. Actual: ' + (x)); 40 } 41 42 reportCompare(0, 0);