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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="resources/shadow-dom.js"></script>
<script src="resources/focus-utils.js"></script>
<div id="log"></div>

<input id=i0 value=i0>
<div id=outer>
  <template data-mode=open>
    <div id=inner>
      <template data-mode=open>
        <div>
          <slot name=inside></slot>
        </div>
      </template>
      <slot name=inside slot=inside>
        <input id=i1 value=i1>
      </slot>
    </div>
  </template>
</div>
<input id=i2 value=i2>

<script>
promise_test(async () => {
  convertTemplatesToShadowRootsWithin(document.getElementById('outer'));

  const elements = [
    'i2',
    'outer/i1',
    'i0'
  ];
  await assert_focus_navigation_backward(elements);
}, `Verifies that focusing backwards from a button inside a slot which has no assigned nodes goes to the previous focusable element.`);
</script>