Thu, 15 Jan 2015 15:59:08 +0100
Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | <!DOCTYPE HTML> |
michael@0 | 2 | <html> |
michael@0 | 3 | <!-- |
michael@0 | 4 | https://bugzilla.mozilla.org/show_bug.cgi?id=399925 |
michael@0 | 5 | --> |
michael@0 | 6 | <head> |
michael@0 | 7 | <title>Test for Bug 399925</title> |
michael@0 | 8 | <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
michael@0 | 9 | <script type="text/javascript" src="imgutils.js"></script> |
michael@0 | 10 | <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
michael@0 | 11 | </head> |
michael@0 | 12 | <body> |
michael@0 | 13 | <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=399925">Mozilla Bug 399925</a> |
michael@0 | 14 | <p id="display"></p> |
michael@0 | 15 | <div id="content" style="display: none"> |
michael@0 | 16 | <img src="bug399925.gif" id="gif" /> |
michael@0 | 17 | <canvas id="canvas" width="100" height="100"> </canvas> |
michael@0 | 18 | </div> |
michael@0 | 19 | <pre id="test"> |
michael@0 | 20 | <script class="testbody" type="text/javascript"> |
michael@0 | 21 | |
michael@0 | 22 | /** Test for Bug 399925. **/ |
michael@0 | 23 | var pngResults = new Array(); |
michael@0 | 24 | var oldTimeoutPref; |
michael@0 | 25 | var oldDiscardPref; |
michael@0 | 26 | SimpleTest.waitForExplicitFinish(); |
michael@0 | 27 | window.onload = runTest; |
michael@0 | 28 | |
michael@0 | 29 | function runTest() |
michael@0 | 30 | { |
michael@0 | 31 | // Get the old discard timeout |
michael@0 | 32 | oldTimeoutPref = getImagePref(DISCARD_TIMEOUT_PREF); |
michael@0 | 33 | |
michael@0 | 34 | // We're testing discarding here, so we should make sure it's flipped on |
michael@0 | 35 | oldDiscardPref = getImagePref(DISCARD_ENABLED_PREF); |
michael@0 | 36 | |
michael@0 | 37 | // Enable Discarding |
michael@0 | 38 | setImagePref(DISCARD_ENABLED_PREF, true); |
michael@0 | 39 | |
michael@0 | 40 | // Sets the discard timer to 500ms so we don't have to wait so long. The |
michael@0 | 41 | // actual time is nondeterministic, but is bounded by 2 * timer = 1 second. |
michael@0 | 42 | setImagePref(DISCARD_TIMEOUT_PREF, 1000); |
michael@0 | 43 | |
michael@0 | 44 | // Create the image _after_ setting the discard timer pref |
michael@0 | 45 | var image = new Image(); |
michael@0 | 46 | image.setAttribute("id", "gif"); |
michael@0 | 47 | image.src = "bug399925.gif"; |
michael@0 | 48 | document.getElementById("content").appendChild(image); |
michael@0 | 49 | |
michael@0 | 50 | // draw the canvas once |
michael@0 | 51 | drawCanvas(); |
michael@0 | 52 | |
michael@0 | 53 | // Set the timeout to draw it after discard |
michael@0 | 54 | setTimeout('drawCanvas(); allDone();', 3000); |
michael@0 | 55 | } |
michael@0 | 56 | |
michael@0 | 57 | function drawCanvas() |
michael@0 | 58 | { |
michael@0 | 59 | var canvas = document.getElementById('canvas'); |
michael@0 | 60 | var context = canvas.getContext('2d'); |
michael@0 | 61 | var gif = document.getElementById('gif'); |
michael@0 | 62 | |
michael@0 | 63 | context.drawImage(gif, 0, 0); |
michael@0 | 64 | ok(true, "we got through the drawImage call without an exception being thrown"); |
michael@0 | 65 | pngResults.push(canvas.toDataURL); |
michael@0 | 66 | } |
michael@0 | 67 | |
michael@0 | 68 | function allDone() |
michael@0 | 69 | { |
michael@0 | 70 | is(pngResults[0], pngResults[1], "got different rendered results"); |
michael@0 | 71 | setImagePref(DISCARD_TIMEOUT_PREF, oldTimeoutPref); |
michael@0 | 72 | setImagePref(DISCARD_ENABLED_PREF, oldDiscardPref); |
michael@0 | 73 | SimpleTest.finish(); |
michael@0 | 74 | } |
michael@0 | 75 | |
michael@0 | 76 | </script> |
michael@0 | 77 | </pre> |
michael@0 | 78 | </body> |
michael@0 | 79 | </html> |
michael@0 | 80 |