if (iterable instanceof Collection) {
      return ((Collection<?>) iterable).isEmpty();
    }
    return !iterable.iterator().hasNext();
  }

  /**
   * Returns an iterable over the merged contents of all given {@code iterables}. Equivalent entries
   * will not be de-duplicated.
   *
   * <p>Callers must ensure that the source {@code iterables} are in non-descending order as this

        String result = facetQueryView.toString();
        assertNotNull(result);
        assertTrue(result.contains("title=Empty Map Test"));
        assertTrue(result.contains("queryMap={}"));
    }

    // Test edge cases
    @Test
    public void test_addQuery_withNullValues() {
        facetQueryView.addQuery(null, "query1");
        assertEquals("query1", facetQueryView.getQueryMap().get(null));

	// This matches the limit used by libarchive.
	maxSpecialFileSize = 1 << 20
)

// blockPadding computes the number of bytes needed to pad offset up to the
// nearest block edge where 0 <= n < blockSize.
func blockPadding(offset int64) (n int64) {
	return -offset & (blockSize - 1)
}

var zeroBlock block

type block [blockSize]byte

// Convert block to any number of formats.

                            prefix, "version", problems, errOn30, Version.V20, d.getVersion(), d.getManagementKey(), d);

                    /*
                     * Extensions like Flex Mojos use custom scopes like "merged", "internal", "external", etc. In
                     * order to not break backward-compat with those, only warn but don't error out.
                     */
                    validateDependencyScope(

1C82          ; mapped                 ; 043E          # 9.0  CYRILLIC SMALL LETTER NARROW O
1C83          ; mapped                 ; 0441          # 9.0  CYRILLIC SMALL LETTER WIDE ES
1C84..1C85    ; mapped                 ; 0442          # 9.0  CYRILLIC SMALL LETTER TALL TE..CYRILLIC SMALL LETTER THREE-LEGGED TE

            request.setData(new byte[7], 0, 7); // Not 8-byte aligned
            assertEquals(((Smb2Constants.SMB2_HEADER_LENGTH + 48 + 7 + 7) / 8) * 8, request.size());
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle null data with non-zero length")
        void testNullDataNonZeroLength() {
            request.setData(null, 0, 100);

            assertEquals(0, dst[nullTerminatorIndex]);
            assertEquals(0, dst[nullTerminatorIndex + 1]);
        }
    }

    @Nested
    @DisplayName("Edge Cases and Boundary Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle maximum path length")
        void testMaximumPathLength() {

        // Since these are protected fields, we can't access them directly
        // But we can verify the object is created successfully with these values
    }

    @Test
    @DisplayName("Test information level mapping edge cases")
    void testInformationLevelMappingEdgeCases() {
        // Test with SMB_INFO_ALLOCATION (-1 as byte)
        trans2QueryFSInfo = new Trans2QueryFSInformation(config, FileSystemInformation.SMB_INFO_ALLOCATION);

        assertFalse(testClient.calledMethods.contains("switchAliases"));
    }

    // ==========================================================================
    // getDocumentCount and getAliasCount edge cases
    // ==========================================================================

    @Test
    public void test_getDocumentCount_returnsNegativeOneOnError() {

            assertEquals(24 + (24 * lockCount), bytesWritten);
            assertEquals(lockCount, SMBUtil.readInt2(buffer, 2));
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle null locks array")
        void testNullLocksArray() {