<!DOCTYPE html> <html> <head> <title>DeviceMotionEvent: A device lying flat on a horizontal surface with the screen upmost</title> <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"> <!-- 2013-10-14 --> </head> <body> <p>Put the device on a horizontal surface with the screen upmost.</p> <div id="log"></div> <script> var t = async_test(document.title); var run = false; /* * A device lying flat on a horizontal surface with the screen upmost * has an acceleration of zero and the following value for * accelerationIncludingGravity: * { * x: 0, * y: 0, * z: 9.81 * }; */ window.addEventListener("devicemotion", function(e) { if (!run) { run = true; t.step(function() { var gvt = e.accelerationIncludingGravity; var acc = e.acceleration; var rot = e.rotationRate; assert_approx_equals(gvt.x, 0, 1); assert_approx_equals(gvt.y, 0, 1); assert_approx_equals(gvt.z, 9.81, 1.5); assert_approx_equals(acc.x, 0, 1); assert_approx_equals(acc.y, 0, 1); assert_approx_equals(acc.z, 0, 1); assert_equals(rot, null); }); t.done(); } }, false); </script> </body> </html>