includes-jamo/test/includes-jamo.spec.js

check if jamo exist in the string

const { includesJamo } = require('../src/includes-jamo.js');
const assert = require('assert');

describe('check if the string has a jamo', function () {
  it('hangul string, one JA', () => {
    assert.equal(includesJamo('가나다', ''), false);
    assert.equal(includesJamo('가나다', '가나다'), false);
    assert.equal(includesJamo('가나다', 'ㄱ'), true);
    assert.equal(includesJamo('가나다', 'ㄴ'), true);
    assert.equal(includesJamo('가나다', 'ㄷ'), true);
    assert.equal(includesJamo('가나다', 'ㅁ'), false);
  });
  it('hangul string, many JA', () => {
    assert.equal(includesJamo('가나다', ''), false);
    assert.equal(includesJamo('가나다', 'ㄱㄴㄷ'), true);
    assert.equal(includesJamo('가나다', 'ㄱㄴㄷㅁ'), false);
    assert.equal(includesJamo('가나다', 'ㄷㄱㄴ'), true);
  });
});