<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<script>
description("Tests support for 'passive' member in AddEventListenerOptions.");

var listenerCallCount = 0;
function passiveListenerFunction(ev)
{
    ++listenerCallCount;
    ev.preventDefault();
}

function activeListenerFunction(ev)
{
    ++listenerCallCount;
    ev.preventDefault();
}

evalAndLog("document.body.addEventListener('test', passiveListenerFunction, { 'passive': true })");
var testEvent1 = new Event('test', { 'cancelable': true });
evalAndLog("document.body.dispatchEvent(testEvent1)");
shouldBe("listenerCallCount", "1");
shouldBeFalse("testEvent1.defaultPrevented");

debug("");
listenerCallCount = 0;
// 'passive should be false by default.
evalAndLog("document.body.addEventListener('test', activeListenerFunction, { })");
var testEvent2 = new Event('test', { 'cancelable': true });
evalAndLog("document.body.dispatchEvent(testEvent2)");
shouldBe("listenerCallCount", "2");
shouldBeTrue("testEvent2.defaultPrevented");
document.body.removeEventListener('test', activeListenerFunction);

debug("");
listenerCallCount = 0;
evalAndLog("document.body.addEventListener('test', activeListenerFunction, { 'passive': false })");
var testEvent2 = new Event('test', { 'cancelable': true });
evalAndLog("document.body.dispatchEvent(testEvent2)");
shouldBe("listenerCallCount", "2");
shouldBeTrue("testEvent2.defaultPrevented");

</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>