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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1286509
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1286509</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1286509">Mozilla Bug 1286509</a>
+<p id="display"></p>
+<div id="content">
+ <input type="range" id="test_input" min="0" max="10" value="5">
+</div>
+<pre id="test">
+ <script type="application/javascript">
+ /** Test for Bug 1286509 **/
+ SimpleTest.waitForExplicitFinish();
+ var expectedEventSequence = ['keydown', 'change', 'keyup'];
+ var eventCounts = {};
+ var expectedEventIdx = 0;
+
+ function test() {
+ var range = document.getElementById("test_input");
+ range.focus();
+ expectedEventSequence.forEach((eventName) => {
+ eventCounts[eventName] = 0;
+ range.addEventListener(eventName, (e) => {
+ ++eventCounts[eventName];
+ is(expectedEventSequence[expectedEventIdx], e.type, "Events sequence should be keydown, change, keyup");
+ expectedEventIdx = (expectedEventIdx + 1) % 3;
+ }, false);
+ });
+ synthesizeKey("VK_UP", {});
+ synthesizeKey("VK_DOWN", {});
+ synthesizeKey("VK_LEFT", {});
+ synthesizeKey("VK_RIGHT", {});
+ is(eventCounts['change'], 4, "Expect key up/down/left/right should trigger range input to fire change events");
+ SimpleTest.finish();
+ }
+ addLoadEvent(test);
+ </script>
+</pre>
+</body>
+</html>