4 const common = require('../common');  constant
36   checkInvocations(tcpserver, { init: 1 }, 'when calling server.listen');  property
57   checkInvocations(tcpserver, { init: 1 },  property
59   checkInvocations(tcp1, { init: 1 }, 'tcp1 when client is connecting');  property
105   checkInvocations(tcp1, { init: 1 }, 'tcp1 when client connects');  property
108 function onconnection(c) {  argument
121   checkInvocations(tcpserver, { init: 1, before: 1 },  property
123   checkInvocations(tcp1, { init: 1 }, 'tcp1 when server receives connection');  property
124   checkInvocations(tcp2, { init: 1 }, 'tcp2 when server receives connection');  property
131   checkInvocations(tcpserver, { init: 1, before: 1, after: 1, destroy: 1 },  property
134     checkInvocations(tcp1, { init: 1, before: 2, after: 2, destroy: 1 },  property
137   checkInvocations(tcp2, { init: 1, before: 1, after: 1 },  property
141     checkInvocations(tcp2, { init: 1, before: 2, after: 2, destroy: 1 },  property
143     checkInvocations(tcpconnect, { init: 1, before: 1, after: 1, destroy: 1 },  property
154   checkInvocations(tcpserver, { init: 1, before: 1, after: 1, destroy: 1 },  property
157     tcp1, { init: 1, before: 2, after: 2, destroy: 1 },  property
160     tcp2, { init: 1, before: 2, after: 2, destroy: 1 },  property
163     tcpconnect, { init: 1, before: 1, after: 1, destroy: 1 },  property