test_set_easing.html

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<!doctype html>

<head>

<meta charset=utf-8>

<title>Test setting easing in sandbox</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="../testcommon.js"></script>

</head>

<body>

<div id="log"></div>

<script>

"use strict";

test(function(t) {

  const div = document.createElement("div");

  document.body.appendChild(div);

  div.animate({ opacity: [0, 1] }, 100000 );

  const contentScript = function() {

    try {

      document.getAnimations()[0].effect.updateTiming({ easing: 'linear' });

      assert_true(true, 'Setting easing should not throw in sandbox');

    } catch (e) {

      assert_unreached('Setting easing threw ' + e);

};

  const sandbox = new SpecialPowers.Cu.Sandbox(window);

  sandbox.importFunction(document, "document");

  sandbox.importFunction(assert_true, "assert_true");

  sandbox.importFunction(assert_unreached, "assert_unreached");

  SpecialPowers.Cu.evalInSandbox(`(${contentScript.toString()})()`, sandbox);

}, 'Setting easing should not throw any exceptions in sandbox');

</script>

</body>