nested-slot-remove-crash.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/nested-slot-remove-crash.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<link rel="author" href="mailto:masonf@chromium.org">

<link rel="help" href="https://crbug.com/1159328">

<meta name="assert" content="The renderer should not crash.">

<div id="host"></div>

<span>This test passes if the renderer does not crash.</span>

<script>

  const root = host.attachShadow({mode:"open"});

  root.innerHTML = `

    <slot id=outer1 name=outer>

      <slot id=inner1 name=inner>Fallback</slot>

    </slot>

`;

  document.body.offsetTop;

  // The renderer should not crash here:

  root.querySelector("#outer1").remove();

  root.innerHTML = `

    <slot id=outer2>

      <slot id=inner2>Fallback</slot>

    </slot>

`;

  document.body.offsetTop;

  // The renderer should not crash here:

  root.querySelector("#outer2").remove();

  root.innerHTML = `

    <slot id=outer3>

      <slot id=inner3>

        <slot id=way-inner3>Fallback</slot>

      </slot>

    </slot>

`;

  document.body.offsetTop;

  // The renderer should not crash here:

  root.querySelector("#outer3").remove();

</script>