Event-defaultPrevented-after-dispatch.html

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This WPT test may be referenced by the following Test IDs:
- /dom/events/Event-defaultPrevented-after-dispatch.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>Event.defaultPrevented is not reset after dispatchEvent()</title>

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

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

</head>

<body>

<div id=log></div>

<input id="target" type="hidden" value=""/>

<script>

test(function() {

    var EVENT = "foo";

    var TARGET = document.getElementById("target");

    var evt = document.createEvent("Event");

    evt.initEvent(EVENT, true, true);

    TARGET.addEventListener(EVENT, this.step_func(function(e) {

        e.preventDefault();

        assert_true(e.defaultPrevented, "during dispatch");

    }), true);

    TARGET.dispatchEvent(evt);

    assert_true(evt.defaultPrevented, "after dispatch");

    assert_equals(evt.target, TARGET);

    assert_equals(evt.srcElement, TARGET);

}, "Default prevention via preventDefault");

test(function() {

    var EVENT = "foo";

    var TARGET = document.getElementById("target");

    var evt = document.createEvent("Event");

    evt.initEvent(EVENT, true, true);

    TARGET.addEventListener(EVENT, this.step_func(function(e) {

        e.returnValue = false;

        assert_true(e.defaultPrevented, "during dispatch");

    }), true);

    TARGET.dispatchEvent(evt);

    assert_true(evt.defaultPrevented, "after dispatch");

    assert_equals(evt.target, TARGET);

    assert_equals(evt.srcElement, TARGET);

}, "Default prevention via returnValue");

</script>