js/src/tests/test262/ch11/11.13/11.13.2/S11.13.2_A4.4_T1.3.js

branch
TOR_BUG_3246
changeset 6
8bccb770b82d
equal deleted inserted replaced
-1:000000000000 0:0b65987adfc7
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 * The production x += y is the same as x = x + y
6 *
7 * @path ch11/11.13/11.13.2/S11.13.2_A4.4_T1.3.js
8 * @description Type(x) and Type(y) vary between Null and Undefined
9 */
10
11 //CHECK#1
12 x = null;
13 x += undefined;
14 if (isNaN(x) !== true) {
15 $ERROR('#1: x = null; x += undefined; x === Not-a-Number. Actual: ' + (x));
16 }
17
18 //CHECK#2
19 x = undefined;
20 x += null;
21 if (isNaN(x) !== true) {
22 $ERROR('#2: x = undefined; x += null; x === Not-a-Number. Actual: ' + (x));
23 }
24
25 //CHECK#3
26 x = undefined;
27 x += undefined;
28 if (isNaN(x) !== true) {
29 $ERROR('#3: x = undefined; x += undefined; x === Not-a-Number. Actual: ' + (x));
30 }
31
32 //CHECK#4
33 x = null;
34 x += null;
35 if (x !== 0) {
36 $ERROR('#4: x = null; x += null; x === 0. Actual: ' + (x));
37 }
38

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