*     #from(ValueGraph)}.
 * @since 20.0
 */
@Beta
public final class ValueGraphBuilder<N, V> extends AbstractGraphBuilder<N> {

  /** Creates a new instance with the specified edge directionality. */
  private ValueGraphBuilder(boolean directed) {
    super(directed);
  }

  /** Returns a {@link ValueGraphBuilder} for building directed graphs. */

        assertArrayEquals(testData, actualData);
    }

    @Test
    void testReadDataWireFormatNullOutputBuffer() {
        // Test behavior when outputBuffer is null (edge case)
        TransTransactNamedPipeResponse nullBufferResponse = new TransTransactNamedPipeResponse(mockConfig, null);
        byte[] buffer = new byte[100];

            assertEquals("smb://server/share/path/filetxt", loc.getCanonicalURL());
            assertFalse(loc.isRoot());
        }
    }

    @Nested
    @DisplayName("Invalid inputs and edge cases")
    class Invalid {
        @Test
        void nullUrlThrows() {
            assertThrows(IllegalArgumentException.class, () -> new DummySmbResourceLocator(null));
        }

        @Test

        SSPContext ctx1 = creds.createContext(mockContext, null, "", null, false);
        assertNotNull(ctx1);
    }

    @Nested
    @DisplayName("getSubject edge cases")
    class SubjectTests {
        @Test
        @DisplayName("returns provided subject")
        void subject_non_null() {
            Subject s = new Subject();

/**
 * Tests for StaticJAASConfiguration.
 *
 * Coverage goals:
 * - Happy path with default and custom options.
 * - Null/empty/ignored name parameter handling.
 * - Null options edge case.
 * - Repeated calls equivalence and instance separation.
 * - Interaction check that passed options are not mutated.
 */
@ExtendWith(MockitoExtension.class)
class StaticJAASConfigurationTest {

        // Service accessors
        assertEquals("cifs", auth.getService());
        auth.setService("");
        assertEquals("", auth.getService());

        // Lifetime accessors (edge: zero/negative)
        auth.setUserLifeTime(0);
        assertEquals(0, auth.getUserLifeTime());
        auth.setUserLifeTime(-1);
        assertEquals(-1, auth.getUserLifeTime());

        auth.setLifeTime(0);

        // Third invocation
        curtainFinallyHook.hook(assistantDirector);

        // All invocations should complete successfully
        assertTrue(true);
    }

    // Test with null assistant director (edge case)
    public void test_hook_withNullAssistantDirector() {
        // Hook should handle null parameter gracefully
        curtainFinallyHook.hook(null);

        // Verify no NullPointerException is thrown

        assertEquals(0L, response.getOffset(), "Offset should be initialized to 0");
    }

    /* ------------------------------------------------------------------ */
    /* 2. Parameter word reading - happy path & edge cases                */
    /* ------------------------------------------------------------------ */

    /**
     * Provides test cases for {@link SmbComSeekResponse#readParameterWordsWireFormat(byte[], int)}.

    @RetainedLocalRef Future<?> localTimer = timer;
    // Try to cancel the timer as an optimization.
    // timer may be null if this call to run was by the timer task since there is no happens-before
    // edge between the assignment to timer and an execution of the timer task.
    if (localTimer != null) {
      localTimer.cancel(false);
    }

    delegateRef = null;
    timer = null;
  }

            int result = response.readBytesWireFormat(buffer, bufferIndex);
            assertEquals(2, result, "Should consistently return 2 on call " + (i + 1));
        }
    }

    @Test
    @DisplayName("Test edge case with maximum buffer index")
    void testReadBytesWireFormatMaxBufferIndex() throws SMBProtocolDecodingException {
        byte[] buffer = new byte[65536]; // Large buffer
        int bufferIndex = 65534; // Near the end