Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
michael@0 | 1 | <!DOCTYPE HTML> |
michael@0 | 2 | <html> |
michael@0 | 3 | <!-- |
michael@0 | 4 | https://bugzilla.mozilla.org/show_bug.cgi?id=469170 |
michael@0 | 5 | --> |
michael@0 | 6 | <head> |
michael@0 | 7 | <title>Test for Bug 469170</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 onload="runTest();"> |
michael@0 | 12 | <p><a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=469170">Mozilla Bug 469170</a></p> |
michael@0 | 13 | |
michael@0 | 14 | <iframe id="source" width="50" height="50" |
michael@0 | 15 | src="data:text/html,%3Chtml%3E%3C%2Fhtml%3E"></iframe> |
michael@0 | 16 | |
michael@0 | 17 | <pre id="test"> |
michael@0 | 18 | <script type="application/javascript"> |
michael@0 | 19 | |
michael@0 | 20 | /** Test for Bug 469170 **/ |
michael@0 | 21 | |
michael@0 | 22 | SimpleTest.waitForExplicitFinish(); |
michael@0 | 23 | |
michael@0 | 24 | function runTest() { |
michael@0 | 25 | var source = document.getElementById('source').contentWindow; |
michael@0 | 26 | rect = { left: 0, top: 0, |
michael@0 | 27 | width: source.innerWidth, height: source.innerHeight }; |
michael@0 | 28 | var canvas = SpecialPowers.snapshotRect(source, rect, "transparent"); |
michael@0 | 29 | var context = canvas.getContext("2d"); |
michael@0 | 30 | |
michael@0 | 31 | var components = [ "red", "green", "blue", "alpha" ]; |
michael@0 | 32 | |
michael@0 | 33 | var data = context.getImageData(0, 0, canvas.width, canvas.height).data; |
michael@0 | 34 | var failed = false; |
michael@0 | 35 | for (var i = 0; i < data.length; i++) { |
michael@0 | 36 | if (data[i] != 0) { |
michael@0 | 37 | is(data[i], 0, "pixel " + Math.floor(i/4) + " " + components[i%4]); |
michael@0 | 38 | failed = true; |
michael@0 | 39 | } |
michael@0 | 40 | } |
michael@0 | 41 | if (!failed) { |
michael@0 | 42 | ok(!failed, "all pixels fully transparent"); |
michael@0 | 43 | } |
michael@0 | 44 | SimpleTest.finish(); |
michael@0 | 45 | } |
michael@0 | 46 | </script> |
michael@0 | 47 | </pre> |
michael@0 | 48 | </body> |
michael@0 | 49 | </html> |