data-fns/src/lib/binaryToIndices.test.ts

This library provides utility functions for working with array data that are useful in many contexts, including creative coding. It offers generic functions that perform common operations such as offsetting an array, generating an array based on a callbac

import { binaryToIndices } from './binaryToIndices'

describe('binaryToIndices', () => {
  it('should convert a binary array to an array of indices with the corresponding elements set to true', () => {
    expect(binaryToIndices([1, 1, 1, 0, 0])).toEqual([0, 1, 2])
  })

  it('should handle an empty binary array', () => {
    expect(binaryToIndices([])).toEqual([])
  })

  it('should handle a binary array with no true elements', () => {
    expect(binaryToIndices([0, 0, 0])).toEqual([])
  })

  it('should handle a binary array with some true elements', () => {
    expect(binaryToIndices([1, 0, 1])).toEqual([0, 2])
  })

  it('should handle negative indices by ignoring them', () => {
    expect(binaryToIndices([1, 1, 0, 0])).toEqual([0, 1])
  })
})