87     const port = server.address().port;  constant
90     canConnect(port);
91     canConnect(String(port));
92     canConnect(`0x${port.toString(16)}`);
136 function syncFailToConnect(port, assertErr, optOnly) {  argument
139     const portArgFunctions = doConnect([port], () => common.mustNotCall());
141       assert.throws(fn, assertErr, `${fn.name}(${port})`);
145     const portHostArgFunctions = doConnect([port, 'localhost'],
148       assert.throws(fn, assertErr, `${fn.name}(${port}, 'localhost')`);
152   const portOptFunctions = doConnect([{ port }], () => common.mustNotCall());  field
154     assert.throws(fn, assertErr, `${fn.name}({port: ${port}})`);
158   const portHostOptFunctions = doConnect([{ port: port, host: 'localhost' }],  property
163                   `${fn.name}({port: ${port}, host: 'localhost'})`);
167 function canConnect(port) {  argument
171   const portArgFunctions = doConnect([port], noop);
177   const portHostArgFunctions = doConnect([port, 'localhost'], noop);
183   const portOptFunctions = doConnect([{ port }], noop);  field
189   const portHostOptFns = doConnect([{ port, host: 'localhost' }], noop);  property
195 function asyncFailToConnect(port) {  argument
203   const portArgFunctions = doConnect([port], dont);
209   const portOptFunctions = doConnect([{ port }], dont);  field
215   const portHostOptFns = doConnect([{ port, host: 'localhost' }], dont);  property