public void testAbsent() {
    assertEquals(
        "Map.merge(absent, value, function) should return value",
        v3(),
        getMap()
            .merge(
                k3(),
                v3(),
                (oldV, newV) -> {
                  throw new AssertionFailedError(
                      "Should not call merge function if key was absent");
                }));
    expectAdded(e3());
  }

            // Should throw exception for unsupported version
            assertThrows(Exception.class, () -> {
                buffer.decode(testBuffer, 0, testBuffer.length);
            });
        }
    }

    @Nested
    @DisplayName("ToString Tests")
    class ToStringTests {

        @Test
        @DisplayName("Should return string representation with no referrals")

        assertTrue(endLatch.await(10, TimeUnit.SECONDS), "All threads should complete");
        executor.shutdown();

        // Then - Session should be in consistent state
        // The double-check pattern should prevent inconsistent cleanup
        assertTrue(releaseCount.get() > 0 || acquireCount.get() > 0, "Release and acquire counts should be processed");
    }

    /**

        @Test
        @DisplayName("Should create request with configuration only")
        void testConstructorWithConfig() {
            TestServerMessageBlock2Request request = new TestServerMessageBlock2Request(mockConfig);
            assertNotNull(request);
            assertEquals(mockConfig, request.getConfig());
        }

        @Test
        @DisplayName("Should create request with configuration and command")

        SessionServicePacket.writeInt2(0xABCD, dst, 4);

        assertEquals((byte) 0xFF, dst[2]); // Should be unchanged
        assertEquals((byte) 0xFF, dst[3]); // Should be unchanged
        assertEquals((byte) 0xAB, dst[4]);
        assertEquals((byte) 0xCD, dst[5]);
    }

    @Test
    @DisplayName("writeInt4 should correctly write 32-bit integer")
    void testWriteInt4() {
        byte[] dst = new byte[8];

		t.Fatalf("No error should happened when create scanner valuer struct, but got %v", err)
	}

	var result ScannerValuerStruct

	if err := DB.Find(&result, "id = ?", data.ID).Error; err != nil {
		t.Fatalf("no error should happen when query scanner, valuer struct, but got %v", err)
	}

	if result.ExampleStructPtr.Val != "value2" {

        assertNotNull(provider, "Auto provider selection should return a provider");
        assertTrue(provider.isAvailable(), "Returned provider should be available");
    }

    @Test
    public void testCreateProviderTcp() {
        RdmaProvider provider = RdmaProviderFactory.createProvider("tcp");
        assertNotNull(provider, "TCP provider should always be available");

    }

    @Test
    @DisplayName("Should preserve stack trace")
    void testStackTracePreservation() {
        // When
        RuntimeCIFSException exception = new RuntimeCIFSException("Test exception");

        // Then
        assertNotNull(exception.getStackTrace());
        assertTrue(exception.getStackTrace().length > 0);

        // Should contain this test method in stack trace

        };

        // Act & Assert: test with different file names
        assertTrue(filter.accept(mockDir, "document.txt"), "Should accept .txt files in the correct path");
        assertFalse(filter.accept(mockDir, "image.png"), "Should reject non-.txt files");
        assertFalse(filter.accept(mockDir, null), "Should reject null names");

        // Verify getPath was called three times (once for each accept call)

            assertNotNull(lock);
        }

        @Test
        @DisplayName("Should create lock with zero offset and length")
        void testConstructorWithZeroValues() {
            lock = new Smb2Lock(0L, 0L, 0);

            assertNotNull(lock);
        }

        @Test
        @DisplayName("Should create lock with maximum values")
        void testConstructorWithMaxValues() {