test_screen_orientation.html

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<!--

https://bugzilla.mozilla.org/show_bug.cgi?id=760735

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  <meta charset="utf-8">

  <title>Test for Screen Orientation API</title>

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

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<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=760735">Screen Orientation API</a>

<p id="display"></p>

<div id="content" style="display: none">

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<pre id="test">

<script type="application/javascript">

/** Tests for Screen Orientation API **/

// Screen Orientation API testing is problematic in that not every platform

// supports orientation-locking, and locking requires running in full-screen.

// So for now, only negative/sanity testing is done here, as that works globally.

function unexpectedEvent(event) {

  ok(false, "No unexpected orientation change events received");

window.screen.addEventListener("mozorientationchange", unexpectedEvent);

try {

  const allowedOrientations = ["portrait-primary", "portrait-secondary",

                               "landscape-primary", "landscape-secondary"];

  var initialOrientation = window.screen.mozOrientation;

  // Sanity tests

  isnot(allowedOrientations.indexOf(initialOrientation), -1,

        "mozOrientation is valid (value=" + initialOrientation + ")");

  // Negative tests

  ok(!window.screen.mozLockOrientation("Foobar-Bazbam"), "Cannot lock to an invalid string");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(""), "Cannot lock to an empty string");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(["Foobar", "Bazbam"]), "Cannot lock to an invalid string");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(["foo"]), "Cannot lock to an invalid string");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation([""]), "Cannot lock to an empty string");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(42), "Cannot lock to a number");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(undefined), "Cannot lock to undefined");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(null), "Cannot lock to null");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation({}), "Cannot lock to a non-Array object");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(["Foobar", 42]), "Cannot lock to a number");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(["Foobar", null]), "Cannot lock to null");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

  ok(!window.screen.mozLockOrientation(["Foobar", undefined]), "Cannot lock to undefined");

  is(window.screen.mozOrientation, initialOrientation, "Orientation is unchanged");

} catch (e) {

  ok(false, "Got unexpected exception: " + e);

} finally {

  window.screen.removeEventListener("mozorientationchange", unexpectedEvent);

</script>

</pre>

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