<!DOCTYPE html>
<title>Test implicit bidi controls do not affect line breaking</title>
<link rel="help" href="https://drafts.csswg.org/css-writing-modes-3/#unicode-bidi">
<link rel="author" title="Koji Ishii" href="mailto:kojii@chromium.org">
<style>
html {
  font-size: 10px;
  line-height: 1;
}
.isolate {
  unicode-bidi: isolate;
}
.embed {
  unicode-bidi: embed;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<div id=log></div>
<div id="container">
  <div style="width: 4ch" data-expected-height="20">
    <span class="isolate" dir="ltr">00</span> <span class="isolate" dir="ltr">00</span>
  </div>
  <div style="width: 4ch" data-expected-height="20">
    <span class="embed" dir="ltr">00</span> <span class="embed" dir="ltr">00</span>
  </div>

  <div style="width: 4ch" data-expected-height="20">
    <span dir="ltr">00</span> <span dir="ltr">00</span>
  </div>
  <div style="width: 4ch" data-expected-height="20">
    <bdi dir="ltr">00</bdi> <bdi dir="ltr">00</bdi>
  </div>
  <div style="width: 4ch" data-expected-height="20">
    <bdo dir="ltr">00</bdo> <bdo dir="ltr">00</bdo>
  </div>

  <div style="width: 4ch" data-expected-height="20">
    <span class="isolate" dir="ltr">00 </span><span class="isolate" dir="ltr">00</span>
  </div>
  <div style="width: 4ch" data-expected-height="20">
    <span class="embed" dir="ltr">00 </span><span class="embed" dir="ltr">00</span>
  </div>
</div>
<script>
run();
function run() {
  for (let node of document.getElementById('container').children) {
    test(() => {
      assert_approx_equals(node.offsetHeight, 20, 1);
    }, node.innerHTML);
  }
}
</script>
</body>
