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<pre id="output"></pre>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();

    if (navigator.canShare({ url: "file:///bin/sh" }))
        output.innerText = "FAIL: Allowed to share file URL.";
    else
        output.innerText = "PASS: Not allowed to share file URL.";
</script>
</body>
</html>