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<!DOCTYPE html>
<meta charset="utf-8">
<title>Selector: pseudo-classes (:read-write, :read-only) input type change</title>
<link rel="author" title="Rune Lillesveen" href="mailto:rune@opera.com">
<link rel="help" href="https://html.spec.whatwg.org/multipage/#pseudo-classes">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
span {
color: red;
background-color: pink;
}
:required + span {
color: green;
}
:not(:optional) + span {
background-color: lime;
}
</style>
<input id="hiddenInput" type="hidden" required>
<span id="sibling">This text should be green on lime background.</span>
<script>
test(() => {
assert_equals(getComputedStyle(sibling).color, "rgb(255, 0, 0)",
"Not matching :required for type=hidden");
assert_equals(getComputedStyle(sibling).backgroundColor, "rgb(255, 192, 203)",
"Matching :optional for type=hidden");
hiddenInput.type = "text";
assert_equals(getComputedStyle(sibling).color, "rgb(0, 128, 0)",
"Matching :required for type=text");
assert_equals(getComputedStyle(sibling).backgroundColor, "rgb(0, 255, 0)",
"Matching :not(:optional) for type=text");
}, "Evaluation of :required and :optional changes for input type change.");
</script>
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