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+<!DOCTYPE html>
+<meta charset=utf-8>
+<title> Dispatch additional events inside an event listener </title>
+<link rel="help" href="https://dom.spec.whatwg.org/#concept-event-dispatch">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+
+<table id="table" border="1" style="display: none">
+ <tbody id="table-body">
+ <tr id="table-row">
+ <td id="table-cell">Shady Grove</td>
+ <td>Aeolian</td>
+ </tr>
+ <tr id="parent">
+ <td id="target">Over the river, Charlie</td>
+ <td>Dorian</td>
+ </tr>
+ </tbody>
+</table>
+
+<script>
+test(function() {
+ var event_type = "bar";
+ var target = document.getElementById("target");
+ var parent = document.getElementById("parent");
+ var tbody = document.getElementById("table-body");
+ var table = document.getElementById("table");
+ var body = document.body;
+ var html = document.documentElement;
+ var targets = [window, document, html, body, table, tbody, parent, target];
+ var expected_targets = [
+ window,
+ document,
+ html,
+ body,
+ table,
+ tbody,
+ parent,
+ target,
+ target,
+ target, // The additional listener for target runs as we copy its listeners twice
+ parent,
+ tbody,
+ table,
+ body,
+ html,
+ document,
+ window
+ ];
+ var expected_listeners = [0,0,0,0,0,0,0,0,1,3,1,1,1,1,1,1,1];
+
+ var actual_targets = [], actual_listeners = [];
+ var test_event_function = function(i) {
+ return this.step_func(function(evt) {
+ actual_targets.push(evt.currentTarget);
+ actual_listeners.push(i);
+
+ if (evt.eventPhase != evt.BUBBLING_PHASE && evt.currentTarget.foo != 1) {
+ evt.currentTarget.removeEventListener(event_type, event_handlers[0], true);
+ evt.currentTarget.addEventListener(event_type, event_handlers[2], true);
+ evt.currentTarget.foo = 1;
+ }
+
+ if (evt.eventPhase != evt.CAPTURING_PHASE && evt.currentTarget.foo != 3) {
+ evt.currentTarget.removeEventListener(event_type, event_handlers[0], false);
+ evt.currentTarget.addEventListener(event_type, event_handlers[3], false);
+ evt.currentTarget.foo = 3;
+ }
+ });
+ }.bind(this);
+ var event_handlers = [
+ test_event_function(0),
+ test_event_function(1),
+ test_event_function(2),
+ test_event_function(3),
+ ];
+
+ for (var i = 0; i < targets.length; ++i) {
+ targets[i].addEventListener(event_type, event_handlers[0], true);
+ targets[i].addEventListener(event_type, event_handlers[1], false);
+ }
+
+ var evt = document.createEvent("Event");
+ evt.initEvent(event_type, true, true);
+ target.dispatchEvent(evt);
+
+ assert_array_equals(actual_targets, expected_targets, "actual_targets");
+ assert_array_equals(actual_listeners, expected_listeners, "actual_listeners");
+});
+</script>