gfx/tests/mochitest/test_bug513439.html@6474c204b198 (annotated)
gfx/tests/mochitest/test_bug513439.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=513439 |
| michael@0 | 5 | --> |
| michael@0 | 6 | <head> |
| michael@0 | 7 | <title>Test for Bug 513439</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=513439">Mozilla Bug 513439</a> |
| michael@0 | 13 | <p id="display"></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 513439 **/ |
| michael@0 | 21 | |
| michael@0 | 22 | var prefService = SpecialPowers.Cc["@mozilla.org/preferences-service;1"] |
| michael@0 | 23 | .getService(SpecialPowers.Ci.nsIPrefService); |
| michael@0 | 24 | var layoutCSSBranch = prefService.getBranch("layout.css."); |
| michael@0 | 25 | var oldVal = layoutCSSBranch.getCharPref("devPixelsPerPx"); |
| michael@0 | 26 | |
| michael@0 | 27 | try { |
| michael@0 | 28 | var domWindowUtils = SpecialPowers.DOMWindowUtils; |
| michael@0 | 29 | var devPxPerCSSPx = domWindowUtils.screenPixelsPerCSSPixel; |
| michael@0 | 30 | |
| michael@0 | 31 | layoutCSSBranch.setCharPref("devPixelsPerPx", "2"); |
| michael@0 | 32 | is(domWindowUtils.screenPixelsPerCSSPixel, 2, "devPixelsPerPx wasn't set correctly"); |
| michael@0 | 33 | |
| michael@0 | 34 | layoutCSSBranch.setCharPref("devPixelsPerPx", "1.5"); |
| michael@0 | 35 | is(domWindowUtils.screenPixelsPerCSSPixel, 1.5, "devPixelsPerPx wasn't set correctly"); |
| michael@0 | 36 | |
| michael@0 | 37 | } finally { |
| michael@0 | 38 | layoutCSSBranch.setCharPref("devPixelsPerPx", oldVal); |
| michael@0 | 39 | } |
| michael@0 | 40 | |
| michael@0 | 41 | </script> |
| michael@0 | 42 | </pre> |
| michael@0 | 43 | </body> |
| michael@0 | 44 | </html> |
