LayoutTests/security/text-decode-long-strings.html

<script>
 if (window.testRunner) { testRunner.dumpAsText() }

 var decoder = new TextDecoder('utf-8');
 decoder.decode(new Uint8Array(0x7fffffff), { stream: true });
 try { decoder.decode(new Uint8Array(1), { stream: true }) } catch (e) { console.log('error ' + e) }

 var decoder = new TextDecoder('utf-8');
 try { decoder.decode(new Uint8Array(0x80000000)) } catch (e) { console.log('error ' + e) }
 </script>