34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | import {describe, ddescribe, it, iit, xit, expect, beforeEach, afterEach} from 'angular2/test_lib'; | ||
|  | 
 | ||
|  | import { Statistic } from 'benchpress/src/statistic'; | ||
|  | 
 | ||
|  | import { NaN } from 'angular2/src/facade/math'; | ||
|  | 
 | ||
|  | export function main() { | ||
|  |   describe('statistic', () => { | ||
|  | 
 | ||
|  |     it('should calculate the mean', () => { | ||
|  |       expect(Statistic.calculateMean([])).toBeNaN(); | ||
|  |       expect(Statistic.calculateMean([1,2,3])).toBe(2.0); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should calculate the standard deviation', () => { | ||
|  |       expect(Statistic.calculateStandardDeviation([], NaN)).toBeNaN(); | ||
|  |       expect(Statistic.calculateStandardDeviation([1], 1)).toBe(0.0); | ||
|  |       expect(Statistic.calculateStandardDeviation([2, 4, 4, 4, 5, 5, 7, 9], 5)).toBe(2.0); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should calculate the coefficient of variation', () => { | ||
|  |       expect(Statistic.calculateCoefficientOfVariation([], NaN)).toBeNaN(); | ||
|  |       expect(Statistic.calculateCoefficientOfVariation([1], 1)).toBe(0.0); | ||
|  |       expect(Statistic.calculateCoefficientOfVariation([2, 4, 4, 4, 5, 5, 7, 9], 5)).toBe(40.0); | ||
|  |     }); | ||
|  | 
 | ||
|  |     it('should calculate the regression slope', () => { | ||
|  |       expect(Statistic.calculateRegressionSlope([], NaN, [], NaN)).toBeNaN(); | ||
|  |       expect(Statistic.calculateRegressionSlope([1], 1, [2], 2)).toBeNaN(); | ||
|  |       expect(Statistic.calculateRegressionSlope([1,2], 1.5, [2,4], 3)).toBe(2.0); | ||
|  |     }); | ||
|  | 
 | ||
|  |   }); | ||
|  | } |