import { describe, expect, it } from '@jest/globals';
import { _, id, cnst } from '../src/core';

describe('id', () => {
  it('returns first argument', () => {
    expect(id).toDeferEvaluationOf(null);
    expect(id(_(null))).toEvaluateTo(null);
  });
});

describe('cnst', () => {
  it('returns first argument after receiving second', () => {
    expect(cnst).toDeferEvaluationOf(null, expect.skipped(null));
    expect(cnst(_(null))(_('whatever'))).toEvaluateTo(null);
  });
});