problem = new DefaultProblem(null, null, null, Integer.MIN_VALUE, -1, null);
        assertEquals(Integer.MIN_VALUE, problem.getLineNumber());
    }

    @Test
    void testGetColumnNumber() {
        DefaultProblem problem = new DefaultProblem(null, null, null, -1, -1, null);
        assertEquals(-1, problem.getColumnNumber());

        problem = new DefaultProblem(null, null, null, -1, 42, null);