LayoutTests/fast/events/event-attributes-after-exception.html

<p>This page tests various event attributes after dispatchEvent throws an exception.</p>
<p>If the test passes, you'll see a series of PASS messages below.</p>

<pre id="console"></pre>

<script>
if (window.testRunner)
    testRunner.dumpAsText();

function log(s)
{
    document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
}

function shouldBe(aDescription, a, b)
{
    if (a == b) {
        log("PASS: " + aDescription + " should be " + b + " and is.");
        return;
    }
    log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
}

window.onload = function()
{
    var event = document.createEvent("MouseEvent");
    try {
        document.getElementById("console").dispatchEvent(event);
    } catch (e) {
    } finally {
        shouldBe("event.target", event.target, null);
        shouldBe("event.currentTarget", event.currentTarget, null);
        shouldBe("event.relatedTarget", event.relatedTarget, null);
        shouldBe("event.eventPhase", event.eventPhase, 0);
    }
};
</script>