ImmutableSet<String> edges = ImmutableSet.copyOf(network.edges());
    assertThat(networkAsMutableNetwork.addEdge(N1, N2, E12)).isFalse();
    assertThat(network.edges()).containsExactlyElementsIn(edges);
    assertThat(networkAsMutableNetwork.addEdge(N2, N1, E12)).isFalse();
    assertThat(network.edges()).containsExactlyElementsIn(edges);
  }

  @Test

        // Test writing a comment line
        updater.write("# This is a comment");

        updater.close();
    }

    // Test edge cases
    @Test
    public void test_emptyFile() {
        String content = "";
        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        stopwordsFile.reload(null, is);

            // Then: Should return binding's string representation
            assertEquals("mockBindingString", result);
        }
    }

    @Nested
    @DisplayName("Edge Cases and Error Handling")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle null binding toString")
        void testToStringWithNullBinding() {

  //    visible to done(). This is because there is no happens before edge between the write and a
  //    (hypothetical) unsafe read by our caller. Note: adding 'volatile' does not fix this issue,
  //    it would just add an edge such that if done() observed non-null, then it would also
  //    definitely observe all earlier writes, but we still have no guarantee that done() would see

            assertEquals("DCERPC_BIND_ERR_ABSTRACT_SYNTAX_NOT_SUPPORTED", exception.getMessage(), "Should return correct error message");
        }
    }

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

        @Test
        @DisplayName("Should handle various result codes correctly")
        void testVariousResultCodes() throws Exception {

        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));

            assertEquals(size, mock.size());
            assertEquals(size, mock.encode(new byte[size * 2], 0));
        }
    }

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

        @Test
        @DisplayName("Should handle large buffer encoding")
        void testLargeBufferEncode() {
            byte[] largeName = new byte[1024];

            request.writeBytesWireFormat(buffer, 0);

            assertEquals(Smb2ReadRequest.SMB2_CHANNEL_NONE, SMBUtil.readInt4(buffer, 36));
        }
    }

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

        @Test
        @DisplayName("Should handle negative offset")
        void testNegativeOffset() {
            request.setOffset(-1L);

	// 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.

            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() {