import org.junit.jupiter.api.Test;
import org.mockito.Mockito;

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Credentials;

/**
 * Security-focused test cases for SmbSessionImpl to verify race condition fixes.
 */
public class SmbSessionImplSecurityTest {

    private CIFSContext mockContext;
    private SmbTransportImpl mockTransport;
    private Configuration mockConfig;

        ndrLong.decode(mockNdrBuffer);

        // Verify that dec_ndr_long was called exactly once
        verify(mockNdrBuffer, times(1)).dec_ndr_long();
        // Verify that the value field was updated correctly
        assertEquals(decodedValue, ndrLong.value, "Decode should correctly assign the value returned by dec_ndr_long.");
        // Verify that no other interactions occurred with the mock buffer

        assertEquals(12345L, size);

        // Verify precise interactions
        verify(mockEntry, times(1)).getName();
        verify(mockEntry, times(2)).getType();
        verify(mockEntry, times(1)).getAttributes();
        verify(mockEntry, times(1)).createTime();
        verify(mockEntry, times(1)).lastModified();
        verify(mockEntry, times(1)).lastAccess();
        verify(mockEntry, times(1)).length();

        run: |
          sudo sysctl net.ipv6.conf.all.disable_ipv6=0
          sudo sysctl net.ipv6.conf.default.disable_ipv6=0
          make verify-healing
          make verify-healing-inconsistent-versions
          make verify-healing-with-root-disks

                buffer.encode(dst, 0);

                // Verify SMBUtil.writeInt2 was called for referral level (with long parameter)
                mockedSMBUtil.verify(() -> SMBUtil.writeInt2(eq((long) maxReferralLevel), any(byte[].class), eq(0)));
                // Verify SMBUtil.writeInt2 was called for null terminator
                mockedSMBUtil.verify(() -> SMBUtil.writeInt2(eq(0L), any(byte[].class), anyInt()));
            }

        } catch (Exception e) {
            // It's ok if it fails, we just want to verify reset was called
        }

        // Request/response reset should happen on retry
        verify(req, atLeastOnce()).reset();
        verify(resp, atLeastOnce()).reset();
        // Verify disconnect was called on retry
        verify(c, atLeastOnce()).disconnect(eq(true));
    }

    @Test

        // Verify resumeKey (4 bytes)
        assertEquals(TEST_RESUME_KEY, SMBUtil.readInt4(buffer, 6));

        // Verify tflags (2 bytes) - should be 0x00
        assertEquals(0x00, SMBUtil.readInt2(buffer, 10));

        // Verify filename
        String actualFilename = readString(buffer, 12, written - 12);
        assertEquals(TEST_FILENAME, actualFilename);

        // Verify total bytes written

            int totalBytes = copy.encode(buffer, 0);

            // Then
            assertEquals(HEADER_SIZE + 20 + 24 + 22, totalBytes);
            verify(mockChunk1).encode(buffer, HEADER_SIZE);
            verify(mockChunk2).encode(buffer, HEADER_SIZE + 20);
            verify(mockChunk3).encode(buffer, HEADER_SIZE + 20 + 24);
        }
    }

		t.Fatalf("Initializing xlStorage failed with %s.", err)
	}

	// Attempt to create a volume to verify the permissions later.
	// MakeVol creates directory with 0777 perms.
	if err = disk.MakeVol(t.Context(), testCase.volName); err != nil {
		t.Fatalf("Creating a volume failed with %s expected to pass.", err)
	}

	// Attempt to create a file to verify the permissions later.
	// AppendFile creates file with 0666 perms.

            // Verify source offset
            assertEquals(sourceOffset, SMBUtil.readInt8(buffer, startIndex));

            // Verify target offset
            assertEquals(targetOffset, SMBUtil.readInt8(buffer, startIndex + 8));

            // Verify length
            assertEquals(length, SMBUtil.readInt4(buffer, startIndex + 16));

            // Verify reserved bytes are zeros