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https://github.com/TheAlgorithms/JavaScript.git
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327e18f450
* feat: Added Elementary Cellular Automata Algorithm w/ explanation, examples, and further reading * test: Added tests for Elementary Cellular Automata Algorithm * chore: add Wikipedia link to Elementary Cellular Automata Algorithm * Used | Bitwise OR and ^= (Bitwise XOR) operators in calculating next Elementary Generation over Addition + and Subtraction -=
94 lines
3.9 KiB
JavaScript
94 lines
3.9 KiB
JavaScript
import { getNextElementaryGeneration } from '../Elementary'
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describe('Elementary Cellular Automata', () => {
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describe('Rule Errors', () => {
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it('Correct', () => {
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expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 128)).not.toThrow()
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})
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it('Less than 0', () => {
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expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], -1)).toThrow()
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})
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it('Greater than 255', () => {
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expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 256)).toThrow()
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})
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it('Decimal', () => {
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expect(() => getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 100.4)).toThrow()
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})
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})
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describe('Rule 54 Iterations', () => {
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it('Generation 1', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 54)).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
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})
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it('Generation 2', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 54)).toEqual([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0])
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})
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it('Generation 3', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 54)).toEqual([0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0])
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})
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it('Generation 4', () => {
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expect(getNextElementaryGeneration([0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0], 54)).toEqual([0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0])
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})
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})
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describe('Rule 222 Iterations', () => {
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it('Generation 1', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 222)).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
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})
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it('Generation 2', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 222)).toEqual([0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0])
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})
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it('Generation 3', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0], 222)).toEqual([0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0])
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})
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it('Generation 4', () => {
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expect(getNextElementaryGeneration([0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0], 222)).toEqual([0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0])
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})
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})
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describe('Rule 60 Iterations', () => {
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it('Generation 1', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 60)).toEqual([0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0])
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})
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it('Generation 2', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0], 60)).toEqual([0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0])
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})
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it('Generation 3', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0], 60)).toEqual([0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0])
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})
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it('Generation 4', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0], 60)).toEqual([0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0])
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})
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})
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describe('Rule 90 Iterations', () => {
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it('Generation 1', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 90)).toEqual([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0])
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})
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it('Generation 2', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0], 90)).toEqual([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0])
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})
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it('Generation 3', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], 90)).toEqual([0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0])
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})
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it('Generation 4', () => {
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expect(getNextElementaryGeneration([0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0], 90)).toEqual([0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0])
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})
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})
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describe('Rule 30 Iterations', () => {
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it('Generation 1', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0], 30)).toEqual([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0])
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})
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it('Generation 2', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0], 30)).toEqual([0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0])
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})
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it('Generation 3', () => {
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expect(getNextElementaryGeneration([0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0], 30)).toEqual([0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0])
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})
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})
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})
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