import { quote } from './quote';
import { run, parse } from '../api';

describe('Unit: util/quote', () => {
  describe('quote', () => {
    it('basic', () => {
      const range = document.createRange();
      const el = run(parse('>>1\n> a\n>>?\n> 2\n>>4 `b` ${c}$\n [e](f) ')).firstElementChild!;
      range.setStart(el.firstChild!.firstChild!, 0);
      range.setEnd(el.lastChild!.lastChild!.lastChild!, 1);
      assert.deepStrictEqual(quote('3', range), `>>>1\n>> a\n>>>?\n>> 2\n>>3\n> >>4 \`b\` \${c}$\n>  e`);
    });

    it('adjustment', () => {
      const range = document.createRange();
      const el = run(parse('>>>1\n>> a')).firstElementChild!;
      range.setEnd(el.lastChild!.lastChild!, 4);
      range.setStart(el.children[0].firstChild!, 0);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[0].firstChild!, 1);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[0].firstChild!, 2);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[0].firstElementChild!.firstChild!, 0);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[0].firstElementChild!.firstChild!, 1);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[0].firstElementChild!.firstChild!, 2);
      assert(quote('2', range) === '>>>>1\n>>> a\n>>2');
      range.setStart(el.children[1], 0);
      assert(quote('2', range) === '>>> a\n>>2');
      range.setStart(el.children[2].firstChild!, 0);
      assert(quote('2', range) === '>>> a\n>>2');
      range.setStart(el.children[2].firstChild!, 1);
      assert(quote('2', range) === '>>> a\n>>2');
      range.setStart(el.children[2].firstChild!, 2);
      assert(quote('2', range) === '>>> a\n>>2');
      range.setStart(el.children[2].firstChild!, 3);
      assert(quote('2', range) === '>>2\n> a');
      range.setStart(el.children[2].firstChild!, 4);
      assert(quote('2', range) === '');
    });

  });

});