f0eba7811dThis commit adds a mustNotCall() helper for testing. This provides an alternative to using common.fail() as a callback, or creating a callback function for the sole purpose of calling common.fail(). PR-URL: https://github.com/nodejs/node/pull/11152 Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com> Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com> Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
40 lines
1.3 KiB
JavaScript
40 lines
1.3 KiB
JavaScript
'use strict';
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// Check that having a worker bind to a port that's already taken doesn't
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// leave the master process in a confused state. Releasing the port and
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// trying again should Just Work[TM].
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const common = require('../common');
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const assert = require('assert');
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const fork = require('child_process').fork;
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const net = require('net');
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const id = '' + process.argv[2];
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if (id === 'undefined') {
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const server = net.createServer(common.mustNotCall());
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server.listen(common.PORT, function() {
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const worker = fork(__filename, ['worker']);
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worker.on('message', function(msg) {
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if (msg !== 'stop-listening') return;
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server.close(function() {
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worker.send('stopped-listening');
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});
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});
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});
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} else if (id === 'worker') {
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let server = net.createServer(common.mustNotCall());
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server.listen(common.PORT, common.mustNotCall());
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server.on('error', common.mustCall(function(e) {
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assert(e.code, 'EADDRINUSE');
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process.send('stop-listening');
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process.once('message', function(msg) {
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if (msg !== 'stopped-listening') return;
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server = net.createServer(common.mustNotCall());
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server.listen(common.PORT, common.mustCall(function() {
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server.close();
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}));
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});
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}));
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} else {
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assert(0); // Bad argument.
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}
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