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let port;
let received = false;
function reportFailure(details) {
port.postMessage('FAIL: ' + details);
}
onmessage = event => {
port = event.source;
ws.onopen = () => {
ws.send('Hello');
};
ws.onmessage = msg => {
if (msg.data !== 'Hello') {
reportFailure('Unexpected reply: ' + msg.data);
return;
}
received = true;
ws.close();
};
ws.onclose = (event) => {
if (!received) {
reportFailure('Closed before receiving reply: ' + event.code);
return;
}
port.postMessage('PASS');
};
ws.onerror = () => {
reportFailure('Got an error event');
};
};