Content - dfcd4389e102d5bd59ff81cad26ec721dcb1aea3 - 466e0ae/dom/events/Event-defaultPrevented.html

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Tip revision: 59747ef8edab507c19e871c05ace8e70c747f01c authored by James Graham on 09 May 2015, 00:48:22 UTC
fixup! fixup! Replace usage of setTimeout with step_timeout.

Tip revision: 59747ef

Event-defaultPrevented.html

<!doctype html>
<title>Event.defaultPrevented</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
var ev;
test(function() {
  ev = document.createEvent("Event");
  assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "When an event is created, defaultPrevented should be initialized to false.");
test(function() {
  ev.initEvent("foo", true, false);
  assert_equals(ev.bubbles, true, "bubbles");
  assert_equals(ev.cancelable, false, "cancelable");
  assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "initEvent should work correctly (not cancelable).");
test(function() {
  assert_equals(ev.cancelable, false, "cancelable (before)");
  ev.preventDefault();
  assert_equals(ev.cancelable, false, "cancelable (after)");
  assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "preventDefault() should not change defaultPrevented if cancelable is false.");
test(function() {
  ev.initEvent("foo", true, true);
  assert_equals(ev.bubbles, true, "bubbles");
  assert_equals(ev.cancelable, true, "cancelable");
  assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "initEvent should work correctly (cancelable).");
test(function() {
  assert_equals(ev.cancelable, true, "cancelable (before)");
  ev.preventDefault();
  assert_equals(ev.cancelable, true, "cancelable (after)");
  assert_equals(ev.defaultPrevented, true, "defaultPrevented");
}, "preventDefault() should change defaultPrevented if cancelable is false.");
test(function() {
  ev.initEvent("foo", true, true);
  assert_equals(ev.bubbles, true, "bubbles");
  assert_equals(ev.cancelable, true, "cancelable");
  assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "initEvent should unset defaultPrevented.");
</script>

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