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
|
<!doctype html>
<meta charset="utf-8">
<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-screen">
<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1858977">
<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel="author" href="https://mozilla.org" title="Mozilla">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe></iframe>
<script>
onload = function() {
test(() => {
let frame = document.querySelector("iframe");
let win = frame.contentWindow;
frame.remove();
assert_true(!!win.screen, "Window.screen should be available");
for (let prop of ["top", "left", "width", "height"]) {
let availProp = "avail" + prop[0].toUpperCase() + prop.substr(1);
if (prop == "width" || prop == "height") {
assert_true(prop in win.screen, prop + "must be implemented per spec")
assert_true(availProp in win.screen, availProp + "must be implemented per spec")
}
if (prop in win.screen) {
assert_equals(win.screen[prop], 0, prop);
}
if (availProp in win.screen) {
assert_equals(win.screen[availProp], 0, availProp);
}
}
// https://drafts.csswg.org/cssom-view/#dom-screen-colordepth
// If the user agent does not know the color depth or does not want to
// return it for privacy considerations, it should return 24.
for (let prop of ["colorDepth", "pixelDepth"]) {
assert_equals(win.screen[prop], 24, prop);
}
}, "Window.screen on detached frame");
};
</script>
|
