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Side by Side Diff: third_party/WebKit/LayoutTests/imported/web-platform-tests/dom/events/Event-defaultPrevented.html

Issue 1529523002: Import dom/ from web-platform-tests (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: tweak W3CImportExpectations Created 5 years ago
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1 <!doctype html>
2 <title>Event.defaultPrevented</title>
3 <script src="../../../../resources/testharness.js"></script>
4 <script src="../../../../resources/testharnessreport.js"></script>
5 <div id="log"></div>
6 <script>
7 var ev;
8 test(function() {
9 ev = document.createEvent("Event");
10 assert_equals(ev.defaultPrevented, false, "defaultPrevented");
11 }, "When an event is created, defaultPrevented should be initialized to false.") ;
12 test(function() {
13 ev.initEvent("foo", true, false);
14 assert_equals(ev.bubbles, true, "bubbles");
15 assert_equals(ev.cancelable, false, "cancelable");
16 assert_equals(ev.defaultPrevented, false, "defaultPrevented");
17 }, "initEvent should work correctly (not cancelable).");
18 test(function() {
19 assert_equals(ev.cancelable, false, "cancelable (before)");
20 ev.preventDefault();
21 assert_equals(ev.cancelable, false, "cancelable (after)");
22 assert_equals(ev.defaultPrevented, false, "defaultPrevented");
23 }, "preventDefault() should not change defaultPrevented if cancelable is false." );
24 test(function() {
25 ev.initEvent("foo", true, true);
26 assert_equals(ev.bubbles, true, "bubbles");
27 assert_equals(ev.cancelable, true, "cancelable");
28 assert_equals(ev.defaultPrevented, false, "defaultPrevented");
29 }, "initEvent should work correctly (cancelable).");
30 test(function() {
31 assert_equals(ev.cancelable, true, "cancelable (before)");
32 ev.preventDefault();
33 assert_equals(ev.cancelable, true, "cancelable (after)");
34 assert_equals(ev.defaultPrevented, true, "defaultPrevented");
35 }, "preventDefault() should change defaultPrevented if cancelable is false.");
36 test(function() {
37 ev.initEvent("foo", true, true);
38 assert_equals(ev.bubbles, true, "bubbles");
39 assert_equals(ev.cancelable, true, "cancelable");
40 assert_equals(ev.defaultPrevented, false, "defaultPrevented");
41 }, "initEvent should unset defaultPrevented.");
42 </script>
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