chromium/third_party/blink/web_tests/fast/files/blob-slice-overflow.html

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The excessive length passed to Blob.slice() should be trapped and result in
a truncated slice being returned.
<pre id='console'></pre>
<script>
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone()
}

var text = '';
for (var i = 0; i < 2000; ++i)
    text += 'A';

blob = new Blob([text]);
slicedBlob = blob.slice(1999, 9223372036854775000);

document.getElementById('console').appendChild(document.createTextNode('Blob slice length: ' + slicedBlob.size));
if (slicedBlob.size != 1) {
    document.getElementById('console').appendChild(document.createTextNode('FAIL'));
}

if (window.testRunner) {
  testRunner.notifyDone();
}
</script>
</body>
</html>