nodejs-mozilla/test/parallel/test-timers-refresh.js

105 lines
2.3 KiB
JavaScript

// Flags: --expose-internals
'use strict';
const common = require('../common');
const { strictEqual, throws } = require('assert');
const { setUnrefTimeout } = require('internal/timers');
const { inspect } = require('util');
// Schedule the unrefed cases first so that the later case keeps the event loop
// active.
// Every case in this test relies on implicit sorting within either Node's or
// libuv's timers storage data structures.
// unref()'d timer
{
let called = false;
const timer = setTimeout(common.mustCall(() => {
called = true;
}), 1);
timer.unref();
// This relies on implicit timers handle sorting within libuv.
setTimeout(common.mustCall(() => {
strictEqual(called, false, 'unref()\'d timer returned before check');
}), 1);
strictEqual(timer.refresh(), timer);
}
// Should throw with non-functions
{
[null, true, false, 0, 1, NaN, '', 'foo', {}, Symbol()].forEach((cb) => {
throws(
() => setUnrefTimeout(cb),
{
code: 'ERR_INVALID_CALLBACK',
message: `Callback must be a function. Received ${inspect(cb)}`
}
);
});
}
// unref pooled timer
{
let called = false;
const timer = setUnrefTimeout(common.mustCall(() => {
called = true;
}), 1);
setUnrefTimeout(common.mustCall(() => {
strictEqual(called, false, 'unref pooled timer returned before check');
}), 1);
strictEqual(timer.refresh(), timer);
}
// regular timer
{
let called = false;
const timer = setTimeout(common.mustCall(() => {
called = true;
}), 1);
setTimeout(common.mustCall(() => {
strictEqual(called, false, 'pooled timer returned before check');
}), 1);
strictEqual(timer.refresh(), timer);
}
// regular timer
{
let called = false;
const timer = setTimeout(common.mustCall(() => {
if (!called) {
called = true;
process.nextTick(common.mustCall(() => {
timer.refresh();
strictEqual(timer.hasRef(), true);
}));
}
}, 2), 1);
}
// interval
{
let called = 0;
const timer = setInterval(common.mustCall(() => {
called += 1;
if (called === 2) {
clearInterval(timer);
}
}, 2), 1);
setTimeout(common.mustCall(() => {
strictEqual(called, 0, 'pooled timer returned before check');
}), 1);
strictEqual(timer.refresh(), timer);
}