buffer.put(new byte[] { 0, 0, 0, 0, 0, 1 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        // Group SID at offset 40
        buffer.position(40);
        buffer.put((byte) 0x01); // Revision
        buffer.put((byte) 0x01); // SubAuthorityCount
        buffer.put(new byte[] { 0, 0, 0, 0, 0, 2 }); // IdentifierAuthority
        buffer.putInt(0); // SubAuthority

        return Stream.of(Arguments.of(NtStatus.NT_STATUS_ACCESS_DENIED, NtStatus.NT_STATUS_ACCESS_DENIED),
                Arguments.of(NtStatus.NT_STATUS_SUCCESS, NtStatus.NT_STATUS_SUCCESS),
                Arguments.of(0x00001234, NtStatus.NT_STATUS_UNSUCCESSFUL));
    }

    @ParameterizedTest
    @MethodSource("intErrorCodes")
    @DisplayName("int ctor: sets message and NT status as expected")

        assertEquals("00FF", Hexdump.toHexString(255, 4));
        assertEquals("FF", Hexdump.toHexString(255, 2));

        // Test larger values
        assertEquals("00001234", Hexdump.toHexString(0x1234, 8));
        assertEquals("1234", Hexdump.toHexString(0x1234, 4));
        assertEquals("34", Hexdump.toHexString(0x1234, 2));

        // Test negative values (treated as unsigned)

        src[srcIndex] = 0x04;

        // B-node (00)
        System.arraycopy("BNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 1, 16);
        src[srcIndex + 16] = 0x00;
        src[srcIndex + 17] = 0x04; // 00000100 - B-node, active

        // P-node (01)
        System.arraycopy("PNODE           ".getBytes("US-ASCII"), 0, src, srcIndex + 19, 16);
        src[srcIndex + 34] = 0x00;

            b[off + 2] = 0x00;
            b[off + 3] = 0x00;
            return 4;
        }).when(raf).read(any(byte[].class), anyInt(), eq(4));
        assertEquals(1.0f, raf.readFloat(), 0.00001);

        // double 1.0 -> 0x3FF0000000000000
        doAnswer(inv -> {
            byte[] b = inv.getArgument(0);
            int off = inv.getArgument(1);
            b[off] = 0x3F;