package org.eidecker.oca8lernen.general;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;

public class FinallyTest {

	@Test
	public void testFinally() {
		int a = divZero(5);
		assertEquals(5, a);
	}


	private int divZero(int a) {
		try {
			return a/0;
		} catch (ArithmeticException e) {
			return sideEffect();
		} catch (Exception e) {
			System.out.println("Exception vom Typ Exception gefangen");
		} finally {
			return 5;
		}
	}

	@Test
	public void exceptionBloecke() {

		assertThrows(Exception.class, () -> {
			try {
				int a = 1/0;
			} catch (ArithmeticException e) {
				System.out.println("ArithmeticException gefangen");
				throw new Exception();
			} catch (Exception e) {
				System.out.println("Exception vom Typ Exception gefangen");
			} finally {
				System.out.println("Finally");
			}
		});

	}

	private int sideEffect() {
		System.out.println("Nur ein Seiteneffekt");
		return 0;
	}

}