UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getMessage());
    }

    public void test_getCause() {
        // Test that getCause returns null (no cause set in constructor)
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getCause());
    }

        }
        String message = longMessage.toString();

        SsoLoginException exception = new SsoLoginException(message);
        assertEquals(message, exception.getMessage());
    }

    public void test_getCause() {
        // Test getCause() method explicitly
        Exception cause = new IllegalArgumentException("Invalid SSO token");
        SsoLoginException exception = new SsoLoginException("SSO error", cause);

        assertEquals("org.apache.lucene.queryparser.classic.ParseException: " + errorMessage, queryParseException.getMessage());
    }

    public void test_getCause() {
        // Test that the cause is properly set and retrievable
        ParseException parseException = new ParseException("Query parsing failed");

        assertThat(ex.getArgs()[0], is((Object) "hoge"));
        System.out.println(ex.getMessage());
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetCause() throws Exception {
        final Throwable t = new NullPointerException("test");
        final ClRuntimeException ex = new ClRuntimeException("ECL0017", asArray(t), t);
        assertThat(ex.getCause(), is(t));