Reference: Base64 Encoding
Usage
void encode() {
//given
Base64 sut = SimpleBase64.getInstance()
String input = "f-lab";
//when
String actual = sut.encode(input, StandardCharsets.UTF_8);
//then
Assertions.assertEquals("Zi1sYWI=", actual);
}
void decode() {
//given
Base64 sut = SimpleBase64.getInstance()
String input = "Zi1sYWI=";
//when
String actual = sut.decode(input, StandardCharsets.UTF_8);
//then
Assertions.assertEquals("f-lab", actual);
}