Test the conditional equivalence of 2 conditional statements

index.ts

// Live run here: https://replit.com/@vindard/Conditional-Equivalence-TS

type fn = (a: boolean, b: boolean) => boolean
const test = (fn1: fn, fn2: fn) => {
  const check = (a: boolean, b: boolean) => fn1(a, b) === fn2(a, b)

  const cases: {[key: string]: [boolean, boolean]} = {
    ft: [false, true],
    ff: [false, false],
    tt: [true, true],
    tf: [true, false],
  }

  const checkRanArr: boolean[] = []
  const checkRanObj: {[key: string]: boolean} = {}
  for (const label in cases) {
    const checkRan = check(...cases[label])
    checkRanArr.push(checkRan)
    checkRanObj[label] = checkRan
  }

  return checkRanArr.every(el => !!el) ? true : checkRanObj
}

// <-- ADD FUNCTIONS TO TEST HERE
const test1 = (a, b) => a === b
const test2 = (a, b) => !a !== b

const xnor1 = (a, b) => !(!a != !b)
const xnor2 = (a, b) => !a === !b
// -->

// <-- SET TEST PAIR HERE
const testPair = [xnor1, xnor2]
// -->

console.log(...testPair)
console.log(test(...testPair))