package com.baeldung; import org.junit.Test; import static org.assertj.core.api.Assertions.assertThat; public class CharToStringUnitTest { @Test public void givenChar_whenCallingStringValueOf_shouldConvertToString() { final char givenChar = 'x'; final String result = String.valueOf(givenChar); assertThat(result).isEqualTo("x"); } @Test public void givenChar_whenCallingToStringOnCharacter_shouldConvertToString() { final char givenChar = 'x'; final String result = Character.toString(givenChar); assertThat(result).isEqualTo("x"); } @Test public void givenChar_whenCallingCharacterConstructor_shouldConvertToString3() { final char givenChar = 'x'; final String result = new Character(givenChar).toString(); assertThat(result).isEqualTo("x"); } @Test public void givenChar_whenConcatenated_shouldConvertToString4() { final char givenChar = 'x'; final String result = givenChar + ""; assertThat(result).isEqualTo("x"); } @Test public void givenChar_whenFormated_shouldConvertToString5() { final char givenChar = 'x'; final String result = String.format("%c", givenChar); assertThat(result).isEqualTo("x"); } }