import {describe, it, expect, beforeEach, ddescribe, iit, xit, el} from 'angular2/test_lib';

import {ListWrapper} from 'angular2/src/facade/collection';
import {
  isPresent,
  RegExpWrapper,
  RegExpMatcherWrapper,
  StringWrapper,
  CONST_EXPR
} from 'angular2/src/facade/lang';

export function main() {
  describe('RegExp', () => {it('should expose the index for each match', () => {
                       var re = RegExpWrapper.create('(!)');
                       var matcher = RegExpWrapper.matcher(re, '0!23!567!!');
                       var indexes = [];
                       var m;

                       while (isPresent(m = RegExpMatcherWrapper.next(matcher))) {
                         ListWrapper.push(indexes, m.index);
                         expect(m[0]).toEqual('!');
                         expect(m[1]).toEqual('!');
                         expect(m.length).toBe(2);
                       }

                       expect(indexes).toEqual([1, 4, 8, 9]);
                     })});

  describe('const', () => {it('should support const expressions both in TS and Dart', () => {
                      const numbers = CONST_EXPR([1, 2, 3]);
                      expect(numbers).toEqual([1, 2, 3]);
                    })});

  describe('String', () => {
    var upper, lower;

    beforeEach(() => {
      upper = 'SOMETHING';
      lower = 'something';
    });

    it('should upper case a string', () => {
      var str = StringWrapper.toUpperCase(lower);

      expect(str).toEqual(upper);
    });

    it('should lower case a string', () => {
      var str = StringWrapper.toLowerCase(upper);

      expect(str).toEqual(lower);
    });
  });
}