silverstripe-framework/thirdparty/jquery-entwine/vendor/jspec/lib/jspec.timers.js

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// JSpec - Mock Timers - Copyright TJ Holowaychuk <tj@vision-media.ca> (MIT Licensed)
;(function(){
/**
* Version.
*/
mockTimersVersion = '1.0.1'
/**
* Localized timer stack.
*/
var timers = []
/**
* Set mock timeout with _callback_ and timeout of _ms_.
*
* @param {function} callback
* @param {int} ms
* @return {int}
* @api public
*/
setTimeout = function(callback, ms) {
var id
return id = setInterval(function(){
callback()
clearInterval(id)
}, ms)
}
/**
* Set mock interval with _callback_ and interval of _ms_.
*
* @param {function} callback
* @param {int} ms
* @return {int}
* @api public
*/
setInterval = function(callback, ms) {
callback.step = ms, callback.current = callback.last = 0
return timers[timers.length] = callback, timers.length
}
/**
* Destroy timer with _id_.
*
* @param {int} id
* @return {bool}
* @api public
*/
clearInterval = function(id) {
return delete timers[--id]
}
/**
* Reset timers.
*
* @return {array}
* @api public
*/
resetTimers = function() {
return timers = []
}
/**
* Increment each timers internal clock by _ms_.
*
* @param {int} ms
* @api public
*/
tick = function(ms) {
for (var i = 0, len = timers.length; i < len; ++i)
if (timers[i] && (timers[i].current += ms))
if (timers[i].current - timers[i].last >= timers[i].step) {
var times = Math.floor((timers[i].current - timers[i].last) / timers[i].step)
var remainder = (timers[i].current - timers[i].last) % timers[i].step
timers[i].last = timers[i].current - remainder
while (times-- && timers[i]) timers[i]()
}
}
})()