File: Event-propagation.html

package info (click to toggle)
firefox-esr 52.8.1esr-1~deb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 1,983,244 kB
  • sloc: cpp: 4,810,275; ansic: 2,004,548; python: 451,282; java: 241,615; asm: 178,649; xml: 136,302; sh: 82,207; makefile: 22,575; perl: 15,783; objc: 4,389; yacc: 1,816; ada: 1,697; pascal: 1,519; lex: 1,257; cs: 879; exp: 499; php: 436; lisp: 258; awk: 152; sed: 51; ruby: 47; csh: 27
file content (41 lines) | stat: -rw-r--r-- 1,508 bytes parent folder | download | duplicates (4)
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
<!doctype html>
<title>Event propagation tests</title>
<link rel=author title="Aryeh Gregor" href=ayg@aryeh.name>
<div id=log></div>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
"use strict";

function testPropagationFlag(ev, expected, desc) {
  test(function() {
    var called = false;
    var callback = function() { called = true };
    this.add_cleanup(function() {
      document.head.removeEventListener("foo", callback)
    });
    document.head.addEventListener("foo", callback);
    document.head.dispatchEvent(ev);
    assert_equals(called, expected, "Propagation flag");
    // dispatchEvent resets the propagation flags so it will happily dispatch
    // the event the second time around.
    document.head.dispatchEvent(ev);
    assert_equals(called, true, "Propagation flag after first dispatch");
  }, desc);
}

var ev = document.createEvent("Event");
ev.initEvent("foo", true, false);
testPropagationFlag(ev, true, "Newly-created Event");
ev.stopPropagation();
testPropagationFlag(ev, false, "After stopPropagation()");
ev.initEvent("foo", true, false);
testPropagationFlag(ev, true, "Reinitialized after stopPropagation()");

var ev = document.createEvent("Event");
ev.initEvent("foo", true, false);
ev.stopImmediatePropagation();
testPropagationFlag(ev, false, "After stopImmediatePropagation()");
ev.initEvent("foo", true, false);
testPropagationFlag(ev, true, "Reinitialized after stopImmediatePropagation()");
</script>