package com.baeldung; import static org.junit.Assert.*; import org.junit.Test; public class StringToCharArrayUnitTest { @Test public void givenString_whenCallingStringToCharArray_shouldConvertToCharArray() { String givenString = "characters"; char[] result = givenString.toCharArray(); char[] expectedCharArray = { 'c', 'h', 'a', 'r', 'a', 'c', 't', 'e', 'r', 's' }; assertArrayEquals(expectedCharArray, result); } }