/**
* Assertions have been enabled via (-ea-)flag in run command
*
* @author orochi-100
* @version 13 May 2020
*/
public class Main {
private static boolean isTestingEnvironment;
static {
assert isTestingEnvironment = true;
}
public static void main(String[] args) {
Verify.verify(!isTestingEnvironment, "if you want to run the program, remove the -ea flag in the run command");
System.out.println("Hello World!");
}
}
/**
* Inspired by Google Guava
*
* @author orochi-100
* @version 15 May 2020
*/
public class VerifyException extends RuntimeException {
public VerifyException() {}
public VerifyException(Throwable cause) {
super(cause);
}
public VerifyException(String message) {
super(message);
}
}
/**
* Inspired by Google Guava
*
* @author orochi-100
* @version 15 May 2020
*/
public class Verify {
private Verify() {
assert false;
}
public static void verify(boolean condition) {
if (!condition) throw new VerifyException();
}
public static void verify(boolean condition, Object errorMsg) {
if (!condition) throw new VerifyException(errorMsg.toString());
}
}
