| // 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_T2.9 |
| description: > |
| Type(x) is different from Type(y) and both types vary between |
| String (primitive or object) and Null |
| ---*/ |
| |
| var x; |
| |
| //CHECK#1 |
| x = "1"; |
| x += null; |
| if (x !== "1null") { |
| $ERROR('#1: x = "1"; x += null; x === "1null". Actual: ' + (x)); |
| } |
| |
| //CHECK#2 |
| x = null; |
| x += "1"; |
| if (x !== "null1") { |
| $ERROR('#2: x = null; x += "1"; x === "null1". Actual: ' + (x)); |
| } |
| |
| //CHECK#3 |
| x = new String("1"); |
| x += null; |
| if (x !== "1null") { |
| $ERROR('#3: x = new String("1"); x += null; x === "1null". Actual: ' + (x)); |
| } |
| |
| //CHECK#4 |
| x = null; |
| x += new String("1"); |
| if (x !== "null1") { |
| $ERROR('#4: x = null; x += new String("1"); x === "null1". Actual: ' + (x)); |
| } |