import { describe, expect, it } from '@jest/globals';
import { toBoolean as $b, fromBoolean as _b } from '../src/bool';
import { fromNumber as _n } from '../src/num';
import { toChar as $, fromChar as _, eq } from '../src/char';

describe('Char', () => {
  describe('toChar', () => {
    it('converts "0"', () => {
      expect($(_n(48))).toBe('0');
    });

    it('converts "a"', () => {
      expect($(_n(97))).toBe('a');
    });

    it('converts "Z"', () => {
      expect($(_n(90))).toBe('Z');
    });

    it('converts "-"', () => {
      expect($(_n(45))).toBe('-');
    });
  });

  describe('fromChar', () => {
    it('converts "0"', () => {
      expect($(_('0'))).toBe('0');
    });

    it('converts "a"', () => {
      expect($(_('a'))).toBe('a');
    });

    it('converts "Z"', () => {
      expect($(_('Z'))).toBe('Z');
    });

    it('converts "-"', () => {
      expect($(_('-'))).toBe('-');
    });
  });

  describe('eq', () => {
    it('"0" eq "0" is True', () => {
      expect(eq).toDeferEvaluationOf(_('0'), _('0'));
      expect($b(eq._(_('0'))._(_('0')))).toBe(true);
    });

    it('"0" eq "a" is False', () => {
      expect(eq).toDeferEvaluationOf(_('0'), _('a'));
      expect($b(eq._(_('0'))._(_('a')))).toBe(false);
    });

    it('"a" eq "a" is True', () => {
      expect(eq).toDeferEvaluationOf(_('a'), _('a'));
      expect($b(eq._(_('a'))._(_('a')))).toBe(true);
    });

    it('"a" eq "z" is True', () => {
      expect(eq).toDeferEvaluationOf(_('a'), _('z'));
      expect($b(eq._(_('a'))._(_('z')))).toBe(false);
    });
  });
});