118 lines
2.2 KiB
JavaScript
118 lines
2.2 KiB
JavaScript
'use strict'
|
|
|
|
const test = require('tape')
|
|
const retimer = require('./')
|
|
|
|
test('schedule a callback', function (t) {
|
|
t.plan(1)
|
|
|
|
const start = Date.now()
|
|
|
|
retimer(function () {
|
|
t.ok(Date.now() - start >= 50, 'it was deferred ok!')
|
|
}, 50)
|
|
})
|
|
|
|
test('reschedule a callback', function (t) {
|
|
t.plan(1)
|
|
|
|
const start = Date.now()
|
|
|
|
const timer = retimer(function () {
|
|
t.ok(Date.now() - start >= 70, 'it was deferred ok!')
|
|
}, 50)
|
|
|
|
setTimeout(function () {
|
|
timer.reschedule(50)
|
|
}, 20)
|
|
})
|
|
|
|
test('reschedule multiple times', function (t) {
|
|
t.plan(1)
|
|
|
|
const start = Date.now()
|
|
|
|
const timer = retimer(function () {
|
|
t.ok(Date.now() - start >= 90, 'it was deferred ok!')
|
|
}, 50)
|
|
|
|
setTimeout(function () {
|
|
timer.reschedule(50)
|
|
setTimeout(function () {
|
|
timer.reschedule(50)
|
|
}, 20)
|
|
}, 20)
|
|
})
|
|
|
|
test('clear a timer', function (t) {
|
|
t.plan(1)
|
|
|
|
const timer = retimer(function () {
|
|
t.fail('the timer should never get called')
|
|
}, 20)
|
|
|
|
timer.clear()
|
|
|
|
setTimeout(function () {
|
|
t.pass('nothing happened')
|
|
}, 50)
|
|
})
|
|
|
|
test('clear a timer after a reschedule', function (t) {
|
|
t.plan(1)
|
|
|
|
const timer = retimer(function () {
|
|
t.fail('the timer should never get called')
|
|
}, 20)
|
|
|
|
setTimeout(function () {
|
|
timer.reschedule(50)
|
|
setTimeout(function () {
|
|
timer.clear()
|
|
}, 10)
|
|
}, 10)
|
|
|
|
setTimeout(function () {
|
|
t.pass('nothing happened')
|
|
}, 50)
|
|
})
|
|
|
|
test('can be rescheduled early', function (t) {
|
|
t.plan(1)
|
|
|
|
const start = Date.now()
|
|
|
|
const timer = retimer(function () {
|
|
t.ok(Date.now() - start <= 500, 'it was rescheduled!')
|
|
}, 500)
|
|
|
|
setTimeout(function () {
|
|
timer.reschedule(10)
|
|
}, 20)
|
|
})
|
|
|
|
test('can be rescheduled even if the timeout has already triggered', function (t) {
|
|
t.plan(2)
|
|
|
|
const start = Date.now()
|
|
let count = 0
|
|
|
|
const timer = retimer(function () {
|
|
count++
|
|
if (count === 1) {
|
|
t.ok(Date.now() - start >= 20, 'it was triggered!')
|
|
timer.reschedule(20)
|
|
} else {
|
|
t.ok(Date.now() - start >= 40, 'it was rescheduled!')
|
|
}
|
|
}, 20)
|
|
})
|
|
|
|
test('pass arguments to the callback', function (t) {
|
|
t.plan(1)
|
|
|
|
retimer(function (arg) {
|
|
t.equal(arg, 42, 'argument matches')
|
|
}, 50, 42)
|
|
})
|