import okhttp3.logging.internal.isProbablyUtf8
import okio.Buffer
import org.junit.jupiter.api.Test

class IsProbablyUtf8Test {
  @Test fun isProbablyUtf8() {
    assertThat(Buffer().isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("abc").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("new\r\nlines").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeUtf8("white\t space").isProbablyUtf8()).isTrue()

        this.dataCount = dataCount;
    }

    /**
     * Sets the transaction buffer
     * @param buffer
     *            the transaction buffer to use
     */
    public void setBuffer(final byte[] buffer) {
        this.txn_buf = buffer;
    }

    /**
     * Releases and returns the transaction buffer
     * @return the txn_buf
     */
    public byte[] releaseBuffer() {

    if (readBuffer.remaining() <= buffer.remaining()) {
      buffer.put(readBuffer);
      munchIfFull();
      return this;
    }

    // First add just enough to fill buffer size, and munch that
    int bytesToCopy = bufferSize - buffer.position();
    for (int i = 0; i < bytesToCopy; i++) {
      buffer.put(readBuffer.get());
    }
    munch(); // buffer becomes empty here, since chunkSize divides bufferSize

  private fun String.map(): String {
    val buffer = Buffer()
    for (codePoint in codePoints()) {
      require(table.map(codePoint, buffer))
    }
    return buffer.readUtf8()
  }

  private fun String.mapExpectingErrors(): String {
    val buffer = Buffer()
    var errorCount = 0
    for (codePoint in codePoints()) {
      if (!table.map(codePoint, buffer)) errorCount++
    }

        byte[] buffer = new byte[100];

        // Define behavior
        when(mockFileInfo.decode(buffer, 0, 100)).thenReturn(8);

        // Test decode
        int decoded = mockFileInfo.decode(buffer, 0, 100);
        assertEquals(8, decoded);

        // Verify interaction
        verify(mockFileInfo).decode(buffer, 0, 100);
    }

    /**

            // Encode
            byte[] buffer = new byte[1024];
            int encodedSize = original.encode(buffer, 0);

            // Decode
            PreauthIntegrityNegotiateContext decoded = new PreauthIntegrityNegotiateContext();
            int decodedSize = decoded.decode(buffer, 0, encodedSize);

            // Verify
            assertEquals(encodedSize, decodedSize);

        val read = delegate.read(buffer, byteCount)
        if (read != -1L) {
          sink.write(buffer.readByteString().toAsciiUppercase())
        }
        return read
      }
    }
  }

        byte[] buffer = new byte[100];
        int result = response.readSetupWireFormat(buffer, 10, 50);
        assertEquals(0, result);
    }

    @Test
    void testReadParametersWireFormat() {
        // Test that readParametersWireFormat returns 0
        byte[] buffer = new byte[100];
        int result = response.readParametersWireFormat(buffer, 20, 60);
        assertEquals(0, result);
    }

        assertEquals(getField(cmd, "timeout"), (long) SMBUtil.readInt4(buffer, 4));
        assertEquals(1, SMBUtil.readInt2(buffer, 8));
        assertEquals(1, SMBUtil.readInt2(buffer, 10));
    }

    /**
     * Test that a large file lock (bit 0x10 set) is encoded and decoded correctly.
     */
    @ParameterizedTest
    @ValueSource(ints = { 0x10, 0x11 })

        bufferIndex += 8;

        this.allocationSize = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        this.endOfFile = SMBUtil.readInt8(buffer, bufferIndex);
        bufferIndex += 8;

        this.fileAttributes = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        bufferIndex += 4; // Reserved2