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<!doctype html>
<meta charset=utf-8>
<title>WebSockets: bufferedAmount after send()ing</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script src=../../../constants.sub.js></script>
<meta name="variant" content="">
<meta name="variant" content="?wss">
<meta name="variant" content="?wpt_flags=h2">
<div id=log></div>
<script>
async_test(function(t){
// bufferedAmount should increase sync in the send() method and decrease between
// events in the event loop (so never while script is running).
var ws = new WebSocket(SCHEME_DOMAIN_PORT+'/echo');
ws.onopen = t.step_func(function(e) {
ws.send('x');
assert_equals(ws.bufferedAmount, 1, 'bufferedAmount after sent "x"');
ws.send('\u00E5');
assert_equals(ws.bufferedAmount, 1+2, 'bufferedAmount after sent "x", "\u00E5"');
ws.send('\u5336');
assert_equals(ws.bufferedAmount, 1+2+3, 'bufferedAmount after sent "x", "\u00E5", "\u5336"');
ws.send('\uD801\uDC7E');
assert_equals(ws.bufferedAmount, 1+2+3+4, 'bufferedAmount after sent "x", "\u00E5", "\u5336", "\uD801\uDC7E"');
})
var i = 0;
ws.onmessage = t.step_func(function(e) {
i++;
switch(i) {
case 1:
assert_equals(e.data, 'x');
assert_true(ws.bufferedAmount < 2+3+4 + 1, 'bufferedAmount after received "x"');
break;
case 2:
assert_equals(e.data, '\u00E5');
assert_true(ws.bufferedAmount < 3+4 + 1, 'bufferedAmount after received "x", "\u00E5"');
break;
case 3:
assert_equals(e.data, '\u5336');
assert_true(ws.bufferedAmount < 4 + 1, 'bufferedAmount after received "x", "\u00E5", "\u5336"');
break;
case 4:
assert_equals(e.data, '\uD801\uDC7E');
assert_equals(ws.bufferedAmount, 0, 'bufferedAmount after received "x", "\u00E5", "\u5336", "\uD801\uDC7E"');
t.done();
break;
default:
assert_unreached(i);
}
})
ws.onerror = ws.onclose = t.step_func(function() {assert_unreached()});
});
</script>
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