return Stream.of("custom message", "", " ", "αβγ", "x".repeat(1000), null);
    }

    @Test
    @DisplayName("Default constructor sets the expected message and no cause")
    void defaultConstructor_setsExpectedMessage_andNoCause() {
        // Arrange & Act
        SmbUnsupportedOperationException ex = new SmbUnsupportedOperationException();

        // Assert