1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
<!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() {
assert_equals(ev.cancelable, false, "cancelable (before)");
ev.returnValue = false;
assert_equals(ev.cancelable, false, "cancelable (after)");
assert_equals(ev.defaultPrevented, false, "defaultPrevented");
}, "returnValue 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 true.");
test(function() {
ev.initEvent("foo", true, true);
assert_equals(ev.cancelable, true, "cancelable (before)");
ev.returnValue = false;
assert_equals(ev.cancelable, true, "cancelable (after)");
assert_equals(ev.defaultPrevented, true, "defaultPrevented");
}, "returnValue should change defaultPrevented if cancelable is true.");
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>
|
