content/canvas/test/test_canvas_strokeStyle_getter.html@6474c204b198 (annotated)
content/canvas/test/test_canvas_strokeStyle_getter.html
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 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <!-- |
| michael@0 | 4 | https://bugzilla.mozilla.org/show_bug.cgi?id=587106 |
| michael@0 | 5 | --> |
| michael@0 | 6 | <head> |
| michael@0 | 7 | <title>Test for Bug 587106</title> |
| michael@0 | 8 | <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
| michael@0 | 9 | <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> |
| michael@0 | 10 | </head> |
| michael@0 | 11 | <body> |
| michael@0 | 12 | <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=587106">Mozilla Bug 587106</a> |
| michael@0 | 13 | <p id="display"><canvas id="c"><canvas></p> |
| michael@0 | 14 | <div id="content" style="display: none"> |
| michael@0 | 15 | |
| michael@0 | 16 | </div> |
| michael@0 | 17 | <pre id="test"> |
| michael@0 | 18 | <script type="application/javascript"> |
| michael@0 | 19 | |
| michael@0 | 20 | /** Test for Bug 587106 **/ |
| michael@0 | 21 | var ctx=document.getElementById('c').getContext('2d'); |
| michael@0 | 22 | for (var i = 0; i < 100; ++i) { |
| michael@0 | 23 | // Skip things that will give different alpha values depending on weird |
| michael@0 | 24 | // rounding stuff. |
| michael@0 | 25 | var tentativeAlpha = i / 100 * 255; |
| michael@0 | 26 | if (Math.abs(tentativeAlpha.toFixed(1) - tentativeAlpha.toFixed(0)) == 0.5) { |
| michael@0 | 27 | // Skip this one, please! |
| michael@0 | 28 | continue; |
| michael@0 | 29 | } |
| michael@0 | 30 | ctx.strokeStyle = 'rgba(0, 0, 0, ' + (i/100) + ')'; |
| michael@0 | 31 | is(ctx.strokeStyle, 'rgba(0, 0, 0, ' + (i/100) + ')', |
| michael@0 | 32 | 'strokeStyle should match for opacity='+(i/100)); |
| michael@0 | 33 | } |
| michael@0 | 34 | |
| michael@0 | 35 | </script> |
| michael@0 | 36 | </pre> |
| michael@0 | 37 | </body> |
| michael@0 | 38 | </html> |
