dom/tests/mochitest/bugs/utils_bug743615.js@6474c204b198 (annotated)
dom/tests/mochitest/bugs/utils_bug743615.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | function makePattern(len, start, inc) { |
| michael@0 | 2 | var pattern = []; |
| michael@0 | 3 | while(len) { |
| michael@0 | 4 | pattern.push(start); |
| michael@0 | 5 | start = (start + inc) % 256; |
| michael@0 | 6 | --len; |
| michael@0 | 7 | } |
| michael@0 | 8 | return pattern; |
| michael@0 | 9 | } |
| michael@0 | 10 | |
| michael@0 | 11 | function setPattern(imageData, pattern) { |
| michael@0 | 12 | if (pattern.length != imageData.data.length) |
| michael@0 | 13 | throw Error('Invalid pattern'); |
| michael@0 | 14 | for (var i = 0; i < pattern.length; ++i) |
| michael@0 | 15 | imageData.data[i] = pattern[i]; |
| michael@0 | 16 | } |
| michael@0 | 17 | |
| michael@0 | 18 | function checkPattern(imageData, pattern) { |
| michael@0 | 19 | if (pattern.length != imageData.data.length) |
| michael@0 | 20 | throw Error('Invalid pattern'); |
| michael@0 | 21 | for (var i = 0; i < pattern.length; ++i) |
| michael@0 | 22 | if (imageData.data[i] != pattern[i]) |
| michael@0 | 23 | return false; |
| michael@0 | 24 | return true; |
| michael@0 | 25 | } |
