@Test
public void thisAlwaysPasses() {
Solution sol = new Solution();
assertEquals(1, sol.lengthOfLongestSubstring("bbbbb"));
assertEquals(3, sol.lengthOfLongestSubstring("abcabcbb"));
}
@Test
public void thisAlwaysPasses() {
Solution sol = new Solution();
TreeNode root = new TreeNode(3);
root.left = new TreeNode(1);
root.right = new TreeNode(5);
root.left.right = new TreeNode(2);
assertTrue(sol.isBalanced(root));
}
@Test
public void thisAlwaysPasses() {
Solution sol = new Solution();
assertEquals("231", sol.getPermutation(3, 4));
}
