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nodejs/test/pseudo-tty/ref_keeps_node_running.js
James M Snell 4f2e372716 test: add common.noop, default for common.mustCall()
Export a new common.noop no-operation function for general use.
Allow using common.mustCall() without a fn argument to simplify
test cases.

Replace various non-op functions throughout tests with common.noop

PR-URL: https://github.com/nodejs/node/pull/12027
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
2017-03-26 12:47:15 -07:00

29 lines
682 B
JavaScript

'use strict';
const common = require('../common');
const { TTY, isTTY } = process.binding('tty_wrap');
const strictEqual = require('assert').strictEqual;
strictEqual(isTTY(0), true, 'fd 0 is not a TTY');
const handle = new TTY(0);
handle.readStart();
handle.onread = common.noop;
function isHandleActive(handle) {
return process._getActiveHandles().some((active) => active === handle);
}
strictEqual(isHandleActive(handle), true, 'TTY handle not initially active');
handle.unref();
strictEqual(isHandleActive(handle), false, 'TTY handle active after unref()');
handle.ref();
strictEqual(isHandleActive(handle), true, 'TTY handle inactive after ref()');
handle.unref();