chromium/third_party/blink/web_tests/external/wpt/html/semantics/selectors/pseudo-classes/inrange-outofrange-type-change.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>Selector: pseudo-classes (:in-range, :out-of-range) input type change</title>
<link rel="author" title="Rune Lillesveen" href="mailto:[email protected]">
<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;
  }
  #t1:in-range + span {
    color: green;
  }
  #t2:out-of-range + span {
    color: green;
  }
</style>
<input id="t1" type="text" min="0" max="10" value="5">
<span id="sibling1">This text should be green.</span>
<input id="t2" type="text" min="0" max="10" value="50">
<span id="sibling2">This text should be green.</span>
<script>
  test(() => {
    assert_equals(getComputedStyle(sibling1).color, "rgb(255, 0, 0)",
      "Not matching :in-range for type=text");

    t1.type = "number";

    assert_equals(getComputedStyle(sibling1).color, "rgb(0, 128, 0)",
      "Matching :in-range for type=number");
  }, "Evaluation of :in-range changes for input type change.");

  test(() => {
    assert_equals(getComputedStyle(sibling2).color, "rgb(255, 0, 0)",
      "Not matching :out-of-range for type=text");

    t2.type = "number";

    assert_equals(getComputedStyle(sibling2).color, "rgb(0, 128, 0)",
      "Matching :in-range for type=number");
  }, "Evaluation of :out-of-range changes for input type change.");
</script>