bufferedAmount-deleting.html

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This WPT test may be referenced by the following Test IDs:
- /websockets/interfaces/WebSocket/bufferedAmount/bufferedAmount-deleting.html?default - WPT Dashboard Interop Dashboard
- /websockets/interfaces/WebSocket/bufferedAmount/bufferedAmount-deleting.html?wss - WPT Dashboard Interop Dashboard

<!doctype html>

<meta charset=utf-8>

<title>WebSockets: delete bufferedAmount</title>

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<script src=../../../constants.sub.js></script>

<meta name="variant" content="?default">

<meta name="variant" content="?wss">

<div id=log></div>

<script>

test(function(){

  var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/echo');

  assert_equals(ws.bufferedAmount, 0, 'after creation');

  ws.close();

  delete ws.bufferedAmount;

  assert_equals(ws.bufferedAmount, 0,

                'after attempt to delete ws.bufferedAmount');

  delete WebSocket.prototype.bufferedAmount;

  assert_equals(ws.bufferedAmount, undefined,

                'after attempt to delete WebSocket.prototype.bufferedAmount');

});

</script>