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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1295719
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1295719</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script 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=1295719">Mozilla Bug 1295719</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<input id="test_number" type="number" value=50>
+<input id="test_range" type="range" value=50 max=100 min=0>
+<script type="text/javascript">
+
+/** Test for Bug 1295719 **/
+SimpleTest.waitForExplicitFinish();
+SimpleTest.waitForFocus(runTests);
+
+function runTests() {
+ let number = window.document.getElementById("test_number");
+ let range = window.document.getElementById("test_range");
+ let waiting_event_sequence = ["keydown", "input", "change"];
+ let waiting_event_idx = 0;
+ waiting_event_sequence.forEach((eventType) => {
+ number.addEventListener(eventType, (event) => {
+ let waiting_event = waiting_event_sequence[waiting_event_idx];
+ is(waiting_event, eventType, "Waiting " + waiting_event + " get " + eventType);
+ // Input element will fire input and change events when handling keypress
+ // with keycode=arrows. When user press and hold the keyboard, we expect
+ // that input element repeatedly fires "keydown"(, "keypress"), "input", and
+ // "change" events until user release the keyboard. Using
+ // waiting_event_sequence as a circular buffer and reset waiting_event_idx
+ // when it point to the end of buffer.
+ waiting_event_idx = waiting_event_idx == waiting_event_sequence.length -1 ? 0 : waiting_event_idx + 1;
+ });
+ range.addEventListener(eventType, (event) => {
+ let waiting_event = waiting_event_sequence[waiting_event_idx];
+ is(waiting_event, eventType, "Waiting " + waiting_event + " get " + eventType);
+ waiting_event_idx = waiting_event_idx == waiting_event_sequence.length - 1 ? 0 : waiting_event_idx + 1;
+ });
+ });
+
+ number.focus();
+ synthesizeKey("KEY_ArrowDown", {type: "keydown"});
+ synthesizeKey("KEY_ArrowDown", {type: "keydown"});
+ synthesizeKey("KEY_ArrowDown", {type: "keyup"});
+ number.blur();
+ range.focus();
+ waiting_event_idx = 0;
+ synthesizeKey("KEY_ArrowDown", {type: "keydown"});
+ synthesizeKey("KEY_ArrowDown", {type: "keydown"});
+ synthesizeKey("KEY_ArrowDown", {type: "keyup"});
+
+ SimpleTest.finish();
+}
+
+</script>
+</body>
+</html>