content/canvas/test/test_drawImageIncomplete.html@6474c204b198 (annotated)
content/canvas/test/test_drawImageIncomplete.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=517056 |
| michael@0 | 5 | --> |
| michael@0 | 6 | <head> |
| michael@0 | 7 | <title>Test for Bug 517056</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=517056">Mozilla Bug 517056</a> |
| michael@0 | 13 | <p id="display"> |
| michael@0 | 14 | <canvas id="c" width="1" height="1"></canvas> |
| michael@0 | 15 | </p> |
| michael@0 | 16 | <div id="content" style="display: none"> |
| michael@0 | 17 | |
| michael@0 | 18 | </div> |
| michael@0 | 19 | <pre id="test"> |
| michael@0 | 20 | <script type="application/javascript"> |
| michael@0 | 21 | |
| michael@0 | 22 | /** Test for Bug 517056 **/ |
| michael@0 | 23 | var ctx = $("c").getContext('2d'); |
| michael@0 | 24 | ctx.fillStyle = "black"; |
| michael@0 | 25 | ctx.fillRect(0, 0, 1, 1); |
| michael@0 | 26 | var data = ctx.getImageData(0, 0, 1, 1).data; |
| michael@0 | 27 | is(data[0], 0, "Red channel of black should be 0"); |
| michael@0 | 28 | is(data[1], 0, "Green channel of black should be 0"); |
| michael@0 | 29 | is(data[2], 0, "Blue channel of black should be 0") |
| michael@0 | 30 | is(data[3], 255, "Alpha channel of black should be opaque"); |
| michael@0 | 31 | var img = new Image(); |
| michael@0 | 32 | // Force a new URI every time, so that we don't run into stupid caching issues. |
| michael@0 | 33 | img.src = "image_green-1x1.png?" + (new Date + 0) + Math.random(); |
| michael@0 | 34 | // This shouldn't throw |
| michael@0 | 35 | ctx.drawImage(img, 0, 0); |
| michael@0 | 36 | var data = ctx.getImageData(0, 0, 1, 1).data; |
| michael@0 | 37 | is(data[0], 0, "Red channel of black should be 0 and image should have been ignored"); |
| michael@0 | 38 | is(data[1], 0, "Green channel of black should be 0 and image should have been ignored"); |
| michael@0 | 39 | is(data[2], 0, "Blue channel of black should be 0 and image should have been ignored") |
| michael@0 | 40 | is(data[3], 255, "Alpha channel of black should be opaque and image should have been ignored"); |
| michael@0 | 41 | |
| michael@0 | 42 | SimpleTest.waitForExplicitFinish(); |
| michael@0 | 43 | img.onload = function() { |
| michael@0 | 44 | ctx.drawImage(img, 0, 0); |
| michael@0 | 45 | var data = ctx.getImageData(0, 0, 1, 1).data; |
| michael@0 | 46 | is(data[0], 0, "Red channel of green should be 0"); |
| michael@0 | 47 | is(data[1], 255, "Green channel of green should be 255"); |
| michael@0 | 48 | is(data[2], 0, "Blue channel of green should be 0") |
| michael@0 | 49 | is(data[3], 255, "Alpha channel of green should be opaque"); |
| michael@0 | 50 | |
| michael@0 | 51 | SimpleTest.finish(); |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | |
| michael@0 | 55 | |
| michael@0 | 56 | </script> |
| michael@0 | 57 | </pre> |
| michael@0 | 58 | </body> |
| michael@0 | 59 | </html> |
