assertNotNull(columns);
        assertEquals(4, columns.length);
        assertEquals("Name", columns[0]);
        assertEquals("Email", columns[1]);
        assertEquals("Age", columns[2]);
        assertEquals("Department", columns[3]);

        // Verify row count
        final String rowCount = extractData.getValues("row_count")[0];
        assertEquals("4", rowCount);
    }

        if (msg == null) {
            assertNull(ex.getMessage(), "Null message should remain null");
        } else {
            assertEquals(msg, ex.getMessage(), "Message should be stored as provided");
        }
        assertNull(ex.getCause(), "Cause should be null for message-only ctor");
        assertEquals(NtStatus.NT_STATUS_UNSUCCESSFUL, ex.getNtStatus(), "Status should default to unsuccessful for message ctor");
    }

  }

  @Test fun overflowMaxCodePoint() {
    assertNull(Punycode.decode("xn--a-b.net"))
    assertNull(Punycode.decode("xn--a-9b.net"))
    assertEquals("a՚.net", Punycode.decode("xn--a-99b.net"))
    assertEquals("a溠.net", Punycode.decode("xn--a-999b.net"))
    assertEquals("a\uD8E2\uDF5C.net", Punycode.decode("xn--a-9999b.net"))
    assertNull(Punycode.decode("xn--a-99999b.net"))
  }

  @Test fun dashInPrefix() {

        // Verify replaceIfExists flag at correct position
        assertEquals(1, buffer[dstIndex]);

        // Verify file name length at correct position
        int nameLength = SMBUtil.readInt4(buffer, dstIndex + 16);
        assertEquals(fileName.getBytes(StandardCharsets.UTF_16LE).length, nameLength);

        // Verify bytes written
        assertEquals(20 + nameLength, bytesWritten);
    }

    @Test

    void testConstructor() {
        // Then
        assertEquals(ServerMessageBlock.SMB_COM_TRANSACTION2, trans2SetFileInformation.command);
        assertEquals(Trans2SetFileInformation.TRANS2_SET_FILE_INFORMATION, trans2SetFileInformation.subCommand);
        assertEquals(6, trans2SetFileInformation.maxParameterCount);
        assertEquals(0, trans2SetFileInformation.maxDataCount);
        assertEquals(0, trans2SetFileInformation.maxSetupCount);
    }

                50 // maxConcurrentRequests
        );

        try {
            assertEquals("full-test", fullCb.getName());
            assertEquals(7, fullCb.getCurrentFailureThreshold());
            assertEquals(SmbCircuitBreaker.State.CLOSED, fullCb.getState());
            assertEquals(0, fullCb.getActiveRequests());

        } finally {
            fullCb.close();
        }
    }

    assertThat(factory.getTypeParameters()).hasLength(2);
    assertEquals(type.getTypeParameters()[0], factory.getTypeParameters()[0]);
    assertEquals(constructor.getTypeParameters()[0], factory.getTypeParameters()[1]);
    ParameterizedType returnType = (ParameterizedType) factory.getReturnType().getType();
    assertEquals(type, returnType.getRawType());
    assertEquals(
        ImmutableList.copyOf(type.getTypeParameters()),

            transport.acquire();
            assertEquals(initial + 1, transport.getUsageCount());
        }

        @Test
        @DisplayName("release should decrement usage count")
        void shouldDecrementUsageCount() {
            transport.acquire();
            long beforeRelease = transport.getUsageCount();
            transport.release();
            assertEquals(beforeRelease - 1, transport.getUsageCount());

            assertNotNull(basicInfo);
            assertEquals(0L, basicInfo.getCreateTime());
            assertEquals(0L, basicInfo.getLastWriteTime());
            assertEquals(0L, basicInfo.getSize());
            assertEquals(0, basicInfo.getAttributes());
        }

        @Test
        @DisplayName("Should set and get basic info attributes")

    assertThat(table.put("foo", 3, cellValue('c'))).isNull();
    assertEquals((Character) 'a', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));
    assertEquals((Character) 'b', table.get("bar", 1));
    assertSize(3);
    assertEquals((Character) 'd', table.put("foo", 1, cellValue('d')));
    assertEquals((Character) 'd', table.get("foo", 1));
    assertSize(3);
  }