void nullTreeHandle() {
        // Arrange
        SmbTreeHandleImpl nullTree = null;

        // Act + Assert
        assertThrows(NullPointerException.class,
                () -> TestIterator.create(nullTree, parent, "*", null, 0, entry("a"), List.of(new FileEntry[][] { new FileEntry[] {} })));
    }

        void nullHandle() {
            assertThrows(NullPointerException.class, () -> new SmbPipeInputStream(null, tree));
        }

        @Test
        @DisplayName("null tree throws NPE")
        void nullTree() {
            assertThrows(NullPointerException.class, () -> new SmbPipeInputStream(handle, null));
        }
    }