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Many of the tests use variables to track when callback functions are invoked or events are emitted. These variables are then asserted on process exit. This commit replaces this pattern in straightforward cases with common.mustCall(). This makes the tests easier to reason about, leads to a net reduction in lines of code, and uncovered a few bugs in tests. This commit also replaces some callbacks that should never be called with common.fail(). PR-URL: https://github.com/nodejs/node/pull/7753 Reviewed-By: Wyatt Preul <wpreul@gmail.com> Reviewed-By: Minwoo Jung <jmwsoft@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
30 lines
838 B
JavaScript
30 lines
838 B
JavaScript
'use strict';
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// This example attempts to time out before the connection is established
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// https://groups.google.com/forum/#!topic/nodejs/UE0ZbfLt6t8
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// https://groups.google.com/forum/#!topic/nodejs-dev/jR7-5UDqXkw
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const common = require('../common');
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var net = require('net');
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var assert = require('assert');
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var start = new Date();
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var T = 100;
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// 192.0.2.1 is part of subnet assigned as "TEST-NET" in RFC 5737.
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// For use solely in documentation and example source code.
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// In short, it should be unreachable.
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// In practice, it's a network black hole.
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var socket = net.createConnection(9999, '192.0.2.1');
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socket.setTimeout(T);
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socket.on('timeout', common.mustCall(function() {
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console.error('timeout');
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var now = new Date();
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assert.ok(now - start < T + 500);
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socket.destroy();
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}));
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socket.on('connect', common.fail);
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