63ac7da082
This doesn't affect globals (describe, it, expect, etc). Those belong to the user and Jasmine doesn't depend on them.
50 lines
1014 B
JavaScript
50 lines
1014 B
JavaScript
getJasmineRequireObj().Timer = function() {
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'use strict';
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const defaultNow = (function(Date) {
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return function() {
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return new Date().getTime();
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};
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})(Date);
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/**
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* @class Timer
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* @classdesc Tracks elapsed time
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* @example
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* const timer = new jasmine.Timer();
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* timer.start();
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* const elapsed = timer.elapsed()
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*/
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function Timer(options) {
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options = options || {};
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const now = options.now || defaultNow;
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let startTime;
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/**
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* Starts the timer.
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* @function
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* @name Timer#start
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*/
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this.start = function() {
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startTime = now();
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};
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/**
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* Determines the time since the timer was started.
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* @function
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* @name Timer#elapsed
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* @returns {number} Elapsed time in milliseconds, or NaN if the timer has not been started
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*/
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this.elapsed = function() {
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return now() - startTime;
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};
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Object.freeze(this);
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}
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Object.freeze(Timer);
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Object.freeze(Timer.prototype);
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return Timer;
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};
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