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JavaScript/Conversions/test/RgbHsvConversion.test.js
Roland Hummel b13b12e88c chore: merge Fix/742 migrate doctest to jest (#749)
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relates to #742
fixes #586

* Migrate doctest for RgbHsvConversion.js

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2021-10-07 12:33:38 +05:30

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JavaScript

import { approximatelyEqualHsv, hsvToRgb, rgbToHsv } from '../RgbHsvConversion'
describe('hsvToRgb', () => {
// Expected RGB-values taken from https://www.rapidtables.com/convert/color/hsv-to-rgb.html
it('should calculate the correct RGB values', () => {
expect(hsvToRgb(0, 0, 0)).toEqual([0, 0, 0])
expect(hsvToRgb(0, 0, 1)).toEqual([255, 255, 255])
expect(hsvToRgb(0, 1, 1)).toEqual([255, 0, 0])
expect(hsvToRgb(60, 1, 1)).toEqual([255, 255, 0])
expect(hsvToRgb(120, 1, 1)).toEqual([0, 255, 0])
expect(hsvToRgb(240, 1, 1)).toEqual([0, 0, 255])
expect(hsvToRgb(300, 1, 1)).toEqual([255, 0, 255])
expect(hsvToRgb(180, 0.5, 0.5)).toEqual([64, 128, 128])
expect(hsvToRgb(234, 0.14, 0.88)).toEqual([193, 196, 224])
expect(hsvToRgb(330, 0.75, 0.5)).toEqual([128, 32, 80])
})
})
describe('rgbToHsv', () => {
// "approximatelyEqualHsv" needed because of small deviations due to rounding for the RGB-values
it('should calculate the correct HSV values', () => {
expect(approximatelyEqualHsv(rgbToHsv(0, 0, 0), [0, 0, 0])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(255, 255, 255), [0, 0, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(255, 0, 0), [0, 1, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(255, 255, 0), [60, 1, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(0, 255, 0), [120, 1, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(0, 0, 255), [240, 1, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(255, 0, 255), [300, 1, 1])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(64, 128, 128), [180, 0.5, 0.5])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(193, 196, 224), [234, 0.14, 0.88])).toEqual(true)
expect(approximatelyEqualHsv(rgbToHsv(128, 32, 80), [330, 0.75, 0.5])).toEqual(true)
})
})