verify(treeHandle).acquire();

        // Cleanup
        iterator.close();
    }

    @Test
    @DisplayName("Constructor should handle workgroup type with non-empty host")
    void testConstructor_WorkgroupNonEmptyHost() throws Exception {
        // Given: Workgroup type with non-empty host
        when(locator.getType()).thenReturn(SmbConstants.TYPE_WORKGROUP);