<!
doctype html>
<
title>Test for bug
1617342</
title>
<
script src=
"/tests/SimpleTest/SimpleTest.js"></
script>
<
script src=
"/tests/SimpleTest/EventUtils.js"></
script>
<
style>
input {
/* Make them
small enough that any value overflows */
height:
10px;
width:
10px;
box-sizing: border-box;
font:
16px/
1 monospace;
}
</
style>
<
input type=
"text" id=
"start" value=
"aaaaaaaaaa">
<
input type=
"text" value=
"aaaaaaaaaa">
<
input type=
"number" value=
"1111">
<
input type=
"search" value=
"aaaaaaa">
<
input type=
"url" value=
"https://fooooooooooo">
<
input type=
"text" id=
"end" value=
"aaaaaaaaaa">
<
script>
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async function() {
// Enable Full Keyboard Access emulation on Mac.
if (navigator.platform.indexOf(
"Mac") ===
0) {
await SpecialPowers.pushPrefEnv({
"set": [[
"accessibility.tabfocus",
7]]});
}
const start = document.getElementById(
"start");
start.focus();
const end = document.getElementById(
"end");
is(document.activeElement, start,
"Focus moved sanely");
let lastActiveElement = start;
let stack = [start];
do {
synthesizeKey(
"KEY_Tab");
isnot(document.activeElement, lastActiveElement,
"Focus should've moved once per tab keypress");
lastActiveElement = document.activeElement;
stack.push(lastActiveElement);
} while (document.activeElement != end)
do {
let previous = stack.pop();
is(document.activeElement, previous,
"Focus should've moved backwards as expected");
synthesizeKey(
"KEY_Tab", {shiftKey: true});
} while (stack.length);
SimpleTest.finish();
});
</
script>
