blob: cb5f45eb0d656a09c8f12aa37c1127f2752f1c09 (
plain)
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
|
function runDelayEventTest(description) {
const t_original = async_test(description +
' still delay the load event in the original Document after move');
const t_new = async_test(description +
' does not delay the load event in the new Document after move');
const iframe = document.createElement('iframe');
iframe.setAttribute('src', 'delay-load-event-iframe.html');
const start_time = performance.now();
document.body.appendChild(iframe);
window.onload = t_original.step_func_done(() => {
// The `#to-be-moved` script should delay the load event until it is loaded
// (i.e. 3 seconds), not just until it is moved out to another Document
// (i.e. 1 second). Here we expect the delay should be at least 2 seconds,
// as the latency can be slightly less than 3 seconds due to preloading.
assert_greater_than(performance.now() - start_time, 2000,
'Load event should be delayed until script is loaded');
});
window.onloadIframe = t_new.step_func_done(() => {
// The iframe's load event is fired after 2 seconds of its subresource
// loading, and shouldn't wait for the `#to-be-moved` script.
assert_less_than(performance.now() - start_time, 3000,
'Load event should not be delayed until moved script is loaded');
});
t_original.step_timeout(() => {
const script = document.querySelector('#to-be-moved');
iframe.contentDocument.body.appendChild(script);
}, 1000);
}
|
