<!DOCTYPE html> <html> <head> <title>Rotate the device frame around its z axis</title> <meta name=viewport content="width=device-width, maximum-scale=1.0"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link rel="author" title="Mosquito FP7"> <link rel="reviewer author" title="Zhiqiang Zhang" href="mailto:zhiqiang.zhang@intel.com"> <!-- 2013-10-12 --> </head> <body> <p>Rotate the device frame around its z axis to run the test.</p> <div id="log"></div> <script> var alpha = 0; var run = false; window.addEventListener("deviceorientation", function(e) { if (!run) { run = true; alpha = e.alpha; } }, false); test(function() { assert_true(alpha > 0 && alpha < 360); }, "Alpha is between 0 and 360"); test(function() { assert_false(alpha > -2 && alpha < 2); }, "Alpha is not around zero (between 0 and 2)"); </script> </body> </html>