coderpad test function

coderpad-test.ts

// TS
function test<T extends unknown>(actual: T, expected: T, text?: string): void {
  function difference<D>(a: Set<D>, b: Set<D>) {
    const arr: D[] = [];
    a.forEach(d => arr.push(d));
    return new Set<D>(arr.filter(x => !b.has(x)));
  }
  function same<S extends unknown>(o1: S, o2: S): boolean {
    const t1 = typeof o1;
    const t2 = typeof o2;
    if (t1 === 'bigint' || t2 === 'bigint') throw new Error();
    if (t1 === 'function' || t2 === 'function') throw new Error();
    if (t1 === 'symbol' || t2 === 'symbol') throw new Error();
    if (o2 === undefined && o2 === undefined) return true;
    if (o2 === null && o2 === null) return true;
    if (t1 === 'undefined' || t2 === 'undefined') throw new Error();

    if (
      t1 === t2 &&
      (
        t1 === 'string' ||
        t1 === 'number' ||
        t1 === 'boolean'
      )
    )
      return o1 === o2;

    const o1k = Object.keys(o1 as object);
    const o1ks = new Set(o1k);
    const o2ks = new Set(Object.keys(o2));
    if (
      difference(o1ks, o2ks).size > 0 ||
      difference(o2ks, o1ks).size > 0
    ) return false;

    return o1k.every(k => same((o1 as any)[k], (o2 as any)[k]));
  }

  const str = JSON.stringify;
  if (same(expected, actual)) console.warn(`[PASS] | ${text}`);
  else console.error(`[FAIL] ${text} | Expected ${str(expected)} Actual ${str(actual)}`);
}


// JS
function test(actual, expected, text) {
  function difference<D>(a, b) {
    const arr = [];
    a.forEach(d => arr.push(d));
    return new Set(arr.filter(x => !b.has(x)));
  }
  function same(o1, o2) {
    const t1 = typeof o1;
    const t2 = typeof o2;
    if (t1 === 'bigint' || t2 === 'bigint') throw new Error();
    if (t1 === 'function' || t2 === 'function') throw new Error();
    if (t1 === 'symbol' || t2 === 'symbol') throw new Error();
    if (o2 === undefined && o2 === undefined) return true;
    if (o2 === null && o2 === null) return true;
    if (t1 === 'undefined' || t2 === 'undefined') throw new Error();

    if (
      t1 === t2 &&
      (
        t1 === 'string' ||
        t1 === 'number' ||
        t1 === 'boolean'
      )
    )
      return o1 === o2;

    const o1k = Object.keys(o1);
    const o1ks = new Set(o1k);
    const o2ks = new Set(Object.keys(o2));
    if (
      difference(o1ks, o2ks).size > 0 ||
      difference(o2ks, o1ks).size > 0
    ) return false;

    return o1k.every(k => same(o1[k], o2[k]));
  }

  const str = JSON.stringify;
  if (same(expected, actual)) console.warn(`[PASS] | ${text}`);
  else console.error(`[FAIL] ${text} | Expected ${str(expected)} Actual ${str(actual)}`);
}