1var assert = require('assert');
2
3function reverseString(str) {
4  let strArr = str.split('');
5  let start = 0;
6  let end = str.length - 1;
7
8  while (start <= end) {
9    const temp = strArr[start];
10    strArr[start] = strArr[end];
11    strArr[end] = temp;
12    start++;
13    end--;
14  }
15
16  return strArr.join('');
17}
18
19try {
20  assert.equal(
21    reverseString('njnschnjkdasn j32 uida'),
22    'adiu 23j nsadkjnhcsnjn'
23  );
24
25  console.log(
26    'PASSED: ' +
27      "`reverseString('njnschnjkdasn j32 uida')` should return `'adiu 23j nsadkjnhcsnjn'`"
28  );
29} catch (err) {
30  console.log(err);
31}
32
33try {
34  assert.equal(reverseString('timbuktu12'), '21utkubmit');
35
36  console.log(
37    'PASSED: ' + "`reverseString('timbuktu12')` should return `'21utkubmit'`"
38  );
39} catch (err) {
40  console.log(err);
41}
42
43try {
44  assert.equal(reverseString(''), '');
45
46  console.log('PASSED: ' + "`reverseString('')` should return `''`");
47} catch (err) {
48  console.log(err);
49}
50
51try {
52  assert.equal(reverseString('reverseastring'), 'gnirtsaesrever');
53
54  console.log(
55    'PASSED: ' +
56      "`reverseString('reverseastring')` should return `'gnirtsaesrever'`"
57  );
58} catch (err) {
59  console.log(err);
60}