Examples of java.io.RandomAccessFile.readByte()

java.io.RandomAccessFile.readByte()
Reads an 8-bit byte value from this stream. @return byte the next byte value from the source stream. @throws IOException If a problem occurs reading from this DataInputStream. @see DataOutput#writeByte(int)

        buf.writeByte(100);
        buf.writeByte(-100);
        buf.flush();


        file.seek(0);
        assertThat(file.readByte(), is((byte) 100));
        assertThat(file.readByte(), is((byte) -100));


        eof(file);
    }

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        buf.writeByte(-100);
        buf.flush();


        file.seek(0);
        assertThat(file.readByte(), is((byte) 100));
        assertThat(file.readByte(), is((byte) -100));


        eof(file);
    }


    /**

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      Preconditions.checkState(open, "File closed");
      RandomAccessFile fileHandle = checkOut();
      boolean error = true;
      try {
        fileHandle.seek(offset);
        byte operation = fileHandle.readByte();
        Preconditions.checkState(operation == OP_RECORD);
        TransactionEventRecord record = TransactionEventRecord.
            fromDataInput(fileHandle);
        if(!(record instanceof Put)) {
          Preconditions.checkState(false, "Record is " +

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                }


                int entryFlagsOffset = (int)
                    (DbLsn.getFileOffset(lsn) + LogEntryHeader.FLAGS_OFFSET);
                file.seek(entryFlagsOffset);
                byte flags = file.readByte();
                byte newFlags = LogEntryHeader.makeInvisible(flags);
                file.seek(entryFlagsOffset);
                file.writeByte(newFlags);
            }
        } catch (IOException e) {

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    public void test_readByte() throws IOException {
        // Test for method byte java.io.RandomAccessFile.readByte()
        RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
        raf.writeByte(127);
        raf.seek(0);
        assertEquals("Incorrect bytes read/written", 127, raf.readByte());
        raf.close();
    }


    /**
     * @tests java.io.RandomAccessFile#readChar()

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    public void test_writeByteI() throws IOException {
        // Test for method void java.io.RandomAccessFile.writeByte(int)
        RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
        raf.writeByte(127);
        raf.seek(0);
        assertEquals("Incorrect byte read/written", 127, raf.readByte());
        raf.close();
    }


    /**
     * @tests java.io.RandomAccessFile#writeBytes(java.lang.String)

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    public void test_writeByteI() throws IOException {
        // Test for method void java.io.RandomAccessFile.writeByte(int)
        RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
        raf.writeByte(127);
        raf.seek(0);
        assertEquals("Incorrect byte read/written", 127, raf.readByte());
        raf.close();
    }


    /**
     * @tests java.io.RandomAccessFile#writeBytes(java.lang.String)

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    public void test_readByte() throws IOException {
        // Test for method byte java.io.RandomAccessFile.readByte()
        RandomAccessFile raf = new java.io.RandomAccessFile(fileName, "rw");
        raf.writeByte(127);
        raf.seek(0);
        assertEquals("Incorrect bytes read/written", 127, raf.readByte());
        raf.close();
    }


    /**
     * @tests java.io.RandomAccessFile#readChar()

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      // write(byte)/writeByte(byte)/readByte()
      raf.seek(0);
      raf.write(12);
      raf.seek(0);
      harness.check(raf.readByte(), 12, "write(byte)/readByte(), positive");
      raf.seek(0);
      raf.writeByte(-12);
      raf.seek(0);
      harness.check(raf.readByte(), -12, "writeByte(byte)/readByte(), negative");

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      raf.seek(0);
      harness.check(raf.readByte(), 12, "write(byte)/readByte(), positive");
      raf.seek(0);
      raf.writeByte(-12);
      raf.seek(0);
      harness.check(raf.readByte(), -12, "writeByte(byte)/readByte(), negative");


      // writeBoolean/readBoolean
      raf.seek(0);
      raf.writeBoolean(true);
      raf.writeBoolean(false);

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