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Test Info:
- Manifest: dom/xul/test/chrome.toml
<?xml version="1.0"?>
<!--
-->
<body>
<!-- Test default focusability -->
<label></label>
<!-- Test tabindex=0 focusability -->
<label tabindex="0"></label>
<!-- Test tabindex=-1 focusability -->
<label tabindex="-1"></label>
<!-- Test tabindex=invalid focusability -->
<label tabindex="invalid"></label>
<!-- Tests code -->
<script type="application/javascript">
<![CDATA[
add_task(function test_xul_tabindex_focus() {
for (let element of document.querySelectorAll("label")) {
let desc = "xul element";
let focusable = false;
if (element.hasAttribute("tabindex")) {
let attr = element.getAttribute("tabindex");
focusable = Number.isInteger(Number.parseInt(attr));
desc += ` with tabindex=${attr}`;
}
element.focus();
focusable ? is(document.activeElement, element, desc + " should focusable")
: isnot(document.activeElement, element, desc + " should not focusable");
}
});
]]>
</script>
</body>
</window>