svg-unknown-input-002.html

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This WPT test may be referenced by the following Test IDs:
- /css/filter-effects/svg-unknown-input-002.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Filter Effects: The in attribute</title>

<link rel="author" title="Cameron McCormack" href="mailto:cam@mcc.id.au">

<link rel="help" href="https://www.w3.org/TR/filter-effects-1/#CommonAttributes">

<link rel="match" href="svg-unknown-input-ref.html">

<meta name="flags" content="svg">

<meta name="assert" content="References to non-existent results on a subsequent primitive must be treated like the previous primitive result.">

<p>The test passes if you see a green square and no red.</p>

<svg width="100" height="100">

  <defs>

    <filter id="f" x="0" y="0" width="100" height="100" filterUnits="userSpaceOnUse">

      <feFlood flood-color="green"/>

      <feComposite in="unknown" in2="SourceGraphic"/>

    </filter>

  </defs>

  <rect width="100" height="100" fill="red"/>

  <rect x="25" y="25" width="50" height="50" fill="blue" filter="url(#f)"/>

</svg>