| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| info: The production x += y is the same as x = x + y |
| es5id: 11.13.2_A4.4_T2.4 |
| description: > |
| Type(x) is different from Type(y) and both types vary between |
| Boolean (primitive or object) and Undefined |
| ---*/ |
| |
| var x; |
| |
| //CHECK#1 |
| x = true; |
| x += undefined; |
| if (isNaN(x) !== true) { |
| $ERROR('#1: x = true; x += undefined; x === Not-a-Number. Actual: ' + (x)); |
| } |
| |
| //CHECK#2 |
| x = undefined; |
| x += true; |
| if (isNaN(x) !== true) { |
| $ERROR('#2: x = undefined; x += true; x === Not-a-Number. Actual: ' + (x)); |
| } |
| |
| //CHECK#3 |
| x = new Boolean(true); |
| x += undefined; |
| if (isNaN(x) !== true) { |
| $ERROR('#3: x = new Boolean(true); x += undefined; x === Not-a-Number. Actual: ' + (x)); |
| } |
| |
| //CHECK#4 |
| x = undefined; |
| x += new Boolean(true); |
| if (isNaN(x) !== true) { |
| $ERROR('#4: x = undefined; x += new Boolean(true); x === Not-a-Number. Actual: ' + (x)); |
| } |