import org.junit.Test;

import java.util.Arrays;

import java.util.Collections;

import java.util.List;

public class GroupAnagramsTest {

GroupAnagrams solver = new GroupAnagrams();

@Test

public void test1() {

String[] strs = {"abc", "bca", "aac", "cab", "bba"};

Arrays.sort(strs);

System.out.println(Arrays.toString(strs));

// [aac, abc, bba, bca, cab]

}

@Test

public void test2() {

String[] strs = {"abc", "bca", "aac", "cab", "bba"};

for(String str: strs) {

char[] array = str.toCharArray();

Arrays.sort(array);

System.out.println(array);

/**

* abc

* abc

* aac

* abc

* abb

*/

}

}

@Test

public void test3() {

String[] strs = {"eat", "tea", "tan", "ate", "nat", "bat"};

List<List<String>> res = solver.groupAnagrams(strs);

for(List<String> l: res) {

System.out.println(l);

}

/**

* [eat, tea, ate]

* [bat]

* [tan, nat]

*/

}

@Test

public void test4() {

String[] strs = {""};

List<List<String>> res = solver.groupAnagrams(strs);

for(List<String> l: res) {

System.out.println(l);

}

// []

}

@Test

public void test5() {

String[] strs = {"a"};

List<List<String>> res = solver.groupAnagrams(strs);

for(List<String> l: res) {

System.out.println(l);

}

// [a]

}

}