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()

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

    Callable {
      val buffer = Buffer()
      while (source!!.read(buffer, 16384) != -1L) {
      }
      source.close()
      buffer.readByteString()
    }

  private fun assertFile(
    prefix: ByteString,
    upstreamSize: Long,
    metadataSize: Int,
    upstream: String?,
    metadata: ByteString?,
  ) {
    val source = file.source().buffer()

        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 += 2;
        this.size = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.serverType = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.rflags = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        if (this.version == 3) {
            this.proximity = SMBUtil.readInt2(buffer, bufferIndex);
            bufferIndex += 2;

        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

        info.allocationSize = readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        info.endOfFile = readInt8(buffer, bufferIndex);
        bufferIndex += 8;
        info.numberOfLinks = readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        info.deletePending = (buffer[bufferIndex] & 0xFF) > 0;
        bufferIndex++;
        info.directory = (buffer[bufferIndex++] & 0xFF) > 0;
        this.info = info;

        buffer.putInt(4, 8); // Offset

        System.arraycopy(content, 0, data, 8, content.length); // Place content at offset 8

        byte[] result = NtlmMessage.readSecurityBuffer(data, 0);
        assertArrayEquals(content, result, "Should read security buffer content correctly.");

        // Test with zero length buffer
        buffer.putShort(0, (short) 0);
        buffer.putShort(2, (short) 0);

        byte[] buffer = new byte[1024];

        request.writeBytesWireFormat(buffer, 0);

        // Control code is at offset 4 (4 bytes)
        int encodedControlCode = (buffer[4] & 0xFF) | ((buffer[5] & 0xFF) << 8) | ((buffer[6] & 0xFF) << 16) | ((buffer[7] & 0xFF) << 24);
        assertEquals(testControlCode, encodedControlCode);
    }

    protected int readParameterWordsWireFormat(final byte[] buffer, int bufferIndex) {
        final int start = bufferIndex;

        buffer[bufferIndex] = (byte) 0x00; // Reserved
        bufferIndex++;
        buffer[bufferIndex++] = (byte) 0x00; // Reserved
        buffer[bufferIndex++] = (byte) 0x00; // Reserved

        this.totalParameterCount = SMBUtil.readInt4(buffer, bufferIndex);
        if (this.bufDataStart == 0) {