<!
DOCTYPE HTML>
<
title>Test for Bug 1825384</
title>
<
style>
div {
display: inline-block;
}
table {
border-collapse: collapse;
}
td {
border: 10px solid black;
line-height: 0;
padding: 0;
}
span {
display: inline-block;
width: 10px;
height: 10px;
background: grey;
}
</
style>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
script src=
"/tests/SimpleTest/WindowSnapshot.js"></
script>
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css" />
<
script class=
"testbody" type=
"text/javascript">
function raf() {
return new Promise(resolve => {
requestAnimationFrame(resolve);
});
}
const zoomsToTest = [
110,
120,
130,
140,
150,
160,
170,
180,
190,
200,
];
const originalZoom = SpecialPowers.getFullZoom(window);
SimpleTest.waitForExplicitFinish();
add_task(async () => {
const s1 = await snapshotRect(window, emptyrows.getBoundingClientRect());
for (let i = 0; i < zoomsToTest.length; ++i) {
let relativeZoom = originalZoom * zoomsToTest[i] / 100;
SpecialPowers.setFullZoom(window, relativeZoom);
await raf();
}
SpecialPowers.setFullZoom(window, originalZoom);
await raf();
const s2 = await snapshotRect(window, emptyrows.getBoundingClientRect());
assertSnapshots(s1, s2, true, null,
"before",
"after");
});
add_task(async () => { SpecialPowers.setFullZoom(window, originalZoom); });
</
script>
<a target=
"_blank" href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=1825384">Mozil
la Bug 1825384</a><br>
<div id="emptyrows">
<table>
<tr><td><span></span></td><td><span></span></td><td><span></span></td></tr>
<tr></tr>
<tr><td><span></span></td><td><span></span></td><td><span></span></td></tr>
<tr></tr>
<tr><td><span></span></td><td><span></span></td><td><span></span></td></tr>
<tr></tr>
<tr><td><span></span></td><td><span></span></td><td><span></span></td></tr>
</table>
</div>
