browser/metro/base/tests/unit/test_util_extend.js@7e26c7da4463 (annotated)
browser/metro/base/tests/unit/test_util_extend.js
Wed, 31 Dec 2014 06:55:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:55:50 +0100
- changeset 2
- 7e26c7da4463
- permissions
- -rw-r--r--
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
| michael@0 | 1 | "use strict"; |
| michael@0 | 2 | |
| michael@0 | 3 | Components.utils.import("resource:///modules/ContentUtil.jsm"); |
| michael@0 | 4 | let Util = ContentUtil; |
| michael@0 | 5 | |
| michael@0 | 6 | function run_test() { |
| michael@0 | 7 | do_print("Testing Util.extend"); |
| michael@0 | 8 | |
| michael@0 | 9 | do_print("Check if function is defined"); |
| michael@0 | 10 | do_check_true(!!Util.extend); |
| michael@0 | 11 | |
| michael@0 | 12 | do_print("No parameter or null should return a new object"); |
| michael@0 | 13 | let noArgRes = Util.extend(); |
| michael@0 | 14 | do_check_true(noArgRes && typeof noArgRes == "object"); |
| michael@0 | 15 | |
| michael@0 | 16 | let nullRes = Util.extend(null); |
| michael@0 | 17 | do_check_true(nullRes && typeof nullRes == "object"); |
| michael@0 | 18 | |
| michael@0 | 19 | do_print("Simple extend"); |
| michael@0 | 20 | let simpleExtend = {a: 1, b: 2}; |
| michael@0 | 21 | let simpleExtendResult = Util.extend(simpleExtend, {b: 3, c: 4}); |
| michael@0 | 22 | |
| michael@0 | 23 | do_check_true(simpleExtend.a === 1 && simpleExtend.b === 3 && simpleExtend.c === 4); |
| michael@0 | 24 | do_check_true(simpleExtendResult === simpleExtend); |
| michael@0 | 25 | |
| michael@0 | 26 | do_print("Cloning"); |
| michael@0 | 27 | let cloneExtend = {a: 1, b: 2}; |
| michael@0 | 28 | let cloned = Util.extend({}, cloneExtend); |
| michael@0 | 29 | |
| michael@0 | 30 | do_check_true(cloneExtend.a === cloned.a && cloneExtend.b === cloned.b); |
| michael@0 | 31 | do_check_true(cloneExtend !== cloned); |
| michael@0 | 32 | |
| michael@0 | 33 | do_print("Multiple extend"); |
| michael@0 | 34 | let multiExtend1 = {a: 1, b: 2}; |
| michael@0 | 35 | let multiExtend2 = {c: 3, d: 4}; |
| michael@0 | 36 | let multiExtend3 = {b: 5, e: 6}; |
| michael@0 | 37 | let multiExtend4 = {e: 7, a: 8}; |
| michael@0 | 38 | let multiResult = Util.extend({}, multiExtend1, multiExtend2, multiExtend3, multiExtend4); |
| michael@0 | 39 | |
| michael@0 | 40 | do_check_true(multiResult.a === 8 && multiResult.b === 5 && multiResult.c === 3 && multiResult.d === 4 && multiResult.e === 7); |
| michael@0 | 41 | } |
