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<?xml version="1.0" encoding="UTF-8"?>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:nsfoo="http://nsfoo.org"
xmlns:nsbar="http://nsbar.org">
<head>
<title>CSS Values: attr() substitution with implicit null namespace</title>
<link rel="help" href="https://drafts.csswg.org/css-values-5/#attr-notation"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="target"
nsfoo:data-x="value1"
nsbar:data-x="value2"
data-x="value3"
nsfoo:data-y="value4"
nsbar:data-y="value5">
Test
</div>
<style>
#target {
--x: attr(data-x type(*), fallback);
--y: attr(data-y type(*), fallback);
--z: attr(data-z type(*), fallback);
--w: attr(data-w type(*), fallback);
}
</style>
<script>
test(() => {
let e = document.getElementById("target");
assert_equals("value1", e.getAttributeNS("http://nsfoo.org", "data-x"));
assert_equals("value2", e.getAttributeNS("http://nsbar.org", "data-x"));
assert_equals("value3", e.getAttributeNS(null, "data-x"));
assert_equals("value4", e.getAttributeNS("http://nsfoo.org", "data-y"));
assert_equals("value5", e.getAttributeNS("http://nsbar.org", "data-y"));
assert_equals(null, e.getAttributeNS(null, "data-y"));
}, "Sanity check");
test(() => {
let e = document.getElementById("target");
assert_equals(getComputedStyle(e).getPropertyValue("--x"), "value3");
}, "Attribute in null-namespace is substituted");
test(() => {
let e = document.getElementById("target");
assert_equals(getComputedStyle(e).getPropertyValue("--y"), "fallback");
}, "Fallback is taken when attribute does not exist in null-namespace");
test((t) => {
let e = document.getElementById("target");
t.add_cleanup(() => {
e.removeAttributeNS("http://nsfoo.org", "data-z");
e.removeAttributeNS("http://nsbar.org", "data-z");
e.removeAttributeNS(null, "data-z");
});
e.setAttributeNS("http://nsfoo.org", "data-z", "value6");
e.setAttributeNS("http://nsbar.org", "data-z", "value7");
e.setAttributeNS(null, "data-z", "value8");
assert_equals(getComputedStyle(e).getPropertyValue("--z"), "value8");
}, "Attribute in null-namespace is substituted (JS)");
test((t) => {
let e = document.getElementById("target");
t.add_cleanup(() => {
e.removeAttributeNS("http://nsfoo.org", "data-w");
e.removeAttributeNS("http://nsbar.org", "data-w");
});
e.setAttributeNS("http://nsfoo.org", "data-w", "value9");
e.setAttributeNS("http://nsbar.org", "data-w", "value10");
assert_equals(getComputedStyle(e).getPropertyValue("--w"), "fallback");
}, "Fallback is taken when attribute does not does exist in null-namespace (JS)");
</script>
</body>
</html>
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