File: delay-load-event-detached.html

package info (click to toggle)
thunderbird 1%3A140.3.1esr-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 4,608,628 kB
  • sloc: cpp: 7,671,698; javascript: 5,901,131; ansic: 3,898,955; python: 1,413,270; xml: 653,997; asm: 462,284; java: 180,948; sh: 113,489; makefile: 20,460; perl: 14,288; objc: 13,059; yacc: 4,583; pascal: 3,352; lex: 1,720; ruby: 1,222; exp: 762; sql: 715; awk: 580; php: 436; lisp: 430; sed: 70; csh: 10
file content (30 lines) | stat: -rw-r--r-- 774 bytes parent folder | download | duplicates (27)
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
<!DOCTYPE html>
<meta charset="utf-8">
<title>Detached image blocks load</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
var img_loaded = false;

var img = new Image();
img.onload = function() {
  img_loaded = true;
};
img.src = "/images/blue.png?pipe=trickle(d2)";

test(function() {
  assert_false(img_loaded);
}, "setting img.src is async");

async_test(function(t) {
  document.addEventListener("DOMContentLoaded", t.step_func_done(function() {
    assert_false(img_loaded);
  }));
}, "DOMContentLoaded doesn't wait for images");

async_test(function(t) {
  window.addEventListener("load", t.step_func_done(function() {
    assert_true(img_loaded);
  }));
}, "load waits for images");
</script>