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8f22d58cab
* Refresh the layout once more at the end if previous heuristics cause an overlap. * Added mixpanel tracking.
46 lines
1.6 KiB
JavaScript
46 lines
1.6 KiB
JavaScript
import { fromJS } from 'immutable';
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describe('MathUtils', () => {
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const MathUtils = require('../math-utils');
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describe('modulo', () => {
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const f = MathUtils.modulo;
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it('it should calculate the modulo (also for negatives)', () => {
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expect(f(5, 5)).toBe(0);
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expect(f(4, 5)).toBe(4);
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expect(f(3, 5)).toBe(3);
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expect(f(2, 5)).toBe(2);
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expect(f(1, 5)).toBe(1);
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expect(f(0, 5)).toBe(0);
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expect(f(-1, 5)).toBe(4);
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expect(f(-2, 5)).toBe(3);
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expect(f(-3, 5)).toBe(2);
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expect(f(-4, 5)).toBe(1);
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expect(f(-5, 5)).toBe(0);
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});
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});
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describe('minEuclideanDistanceBetweenPoints', () => {
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const f = MathUtils.minEuclideanDistanceBetweenPoints;
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const entryA = { pointA: { x: 0, y: 0 } };
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const entryB = { pointB: { x: 30, y: 0 } };
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const entryC = { pointC: { x: 0, y: -40 } };
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const entryD = { pointD: { x: -1000, y: 567 } };
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const entryE = { pointE: { x: -999, y: 567 } };
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const entryF = { pointF: { x: 30, y: 0 } };
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it('it should return the minimal distance between any two points in the collection', () => {
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expect(f(fromJS({}))).toBe(0);
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expect(f(fromJS({...entryA}))).toBe(0);
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expect(f(fromJS({...entryA, ...entryB}))).toBe(30);
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expect(f(fromJS({...entryA, ...entryC}))).toBe(40);
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expect(f(fromJS({...entryB, ...entryC}))).toBe(50);
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expect(f(fromJS({...entryA, ...entryB, ...entryC, ...entryD}))).toBe(30);
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expect(f(fromJS({...entryA, ...entryB, ...entryC, ...entryD, ...entryE}))).toBe(1);
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expect(f(fromJS({...entryA, ...entryB, ...entryC, ...entryD, ...entryF}))).toBe(0);
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});
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});
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});
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