| <html> |
| <head> |
| <title>Test CSSOM View module: MediaQueryList interface</title> |
| <style type="text/css"> |
| |
| </style> |
| <script type="text/javascript" charset="utf-8"> |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| function log(m) { |
| document.getElementById('results').innerHTML += m + '<br>'; |
| } |
| |
| function callback1(query) { |
| log("[1] - query " + query.media + " changed to " + (query.matches ? "true" : "false")); |
| } |
| |
| function callback2(query) { |
| log("[2] - query " + query.media + " changed to " + (query.matches ? "true" : "false")); |
| } |
| |
| function runTests() |
| { |
| if (!window.testRunner) |
| return; |
| |
| testRunner.waitUntilDone(); |
| |
| var query = window.matchMedia("screen"); |
| |
| query.addListener(null); |
| query.addListener(undefined); |
| query.removeListener(null); |
| query.removeListener(undefined); |
| log("EventListener is optional"); |
| |
| query.addListener(callback1); |
| |
| try { |
| query.addListener(5); |
| } catch (e) { |
| log("query.addListener(5) threw exception as expected"); |
| } |
| |
| try { |
| query.addListener('cinco'); |
| } catch (e) { |
| log("query.addListener('cinco') threw exception as expected"); |
| } |
| |
| query.addListener(callback2); |
| |
| window.internals.settings.setMediaTypeOverride("handheld"); |
| requestAnimationFrame(() => testRunner.notifyDone()); |
| } |
| |
| </script> |
| </head> |
| <body onload="runTests()"> |
| <p>Test the MediaQueryList interface: <a href="http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface" title="CSSOM View Module">http://dev.w3.org/csswg/cssom-view/#the-mediaquerylist-interface</a>.</p> |
| <p>Invalid listeners. Two callbacks are expected.</p> |
| <div id="results"> |
| </div> |
| </body> |
| </html> |
