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<!doctype html>
<title>Test for state change not bogusly changing during reframe (bug 1528644)</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<style>
  .reframe { display: table }
  input:invalid { color: red; }
  input:valid { color: green; }
</style>
<form>
  <input type="text" required minlength="4" onkeypress="this.classList.toggle('reframe')">
</form>
<script>
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
  let input = document.querySelector("input");
  input.focus();
  requestAnimationFrame(() => {
    synthesizeKey("a");
    requestAnimationFrame(() => {
      requestAnimationFrame(() => {
        ok(!input.validity.valid);
        is(getComputedStyle(input).display, "table");
        SimpleTest.finish();
      });
    });
  });
});
</script>