| // Copyright 2009 the Sputnik authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /** |
| * Operator x - y returns ToNumber(x) - ToNumber(y) |
| * |
| * @path ch11/11.6/11.6.2/S11.6.2_A3_T2.4.js |
| * @description Type(x) is different from Type(y) and both types vary between Number (primitive or object) and Undefined |
| */ |
| |
| //CHECK#1 |
| if (isNaN(1 - undefined) !== true) { |
| $ERROR('#1: 1 - undefined === Not-a-Number. Actual: ' + (1 - undefined)); |
| } |
| |
| //CHECK#2 |
| if (isNaN(undefined - 1) !== true) { |
| $ERROR('#2: undefined - 1 === Not-a-Number. Actual: ' + (undefined - 1)); |
| } |
| |
| //CHECK#3 |
| if (isNaN(new Number(1) - undefined) !== true) { |
| $ERROR('#3: new Number(1) - undefined === Not-a-Number. Actual: ' + (new Number(1) - undefined)); |
| } |
| |
| //CHECK#4 |
| if (isNaN(undefined - new Number(1)) !== true) { |
| $ERROR('#4: undefined - new Number(1) === Not-a-Number. Actual: ' + (undefined - new Number(1))); |
| } |
| |
