@ -30,5 +30,12 @@ class testProgramm {
int result = ProgrammMain.calculate("1010", "1011", '+');
assertEquals(10101, result);
}
@Test
public void testSubtraction() {
int result = ProgrammMain.calculate("1010", "1011", '-');
result++;
if (result <0 || result >0) {
assertTrue(true);