Examples of com.peterhi.runtime.Buffer.toByteArray()

com.peterhi.runtime.Buffer.toByteArray()
Exports the data in this {@link Buffer} to a {@code byte} array.the parameter {@code copyMethod} specifies how to copy the data. @param copyMethod How to copy the data from this {@link Buffer}to an array. Refer to {@code COPY_METHOD_*} for details. @return The {@code byte} array containing the data of this{@link Buffer}. @throws IllegalArgumentException the {@code copyMethod} is nota valid value (none of the specified {@code COPY_METHOD_*}values). @see #COPY_METHOD_DEFAULT @see #COPY_METHOD_ALIGNED @see #COPY_METHOD_ALL_DATA

    }
    
    {
      byte[] existingData = new byte[] { (byte )254, (byte )254 };
      Buffer testBuffer = new Buffer(existingData, 2, 8, true);
      assertArrayEquals(new byte[] { (byte )191 }, testBuffer.toByteArray(Buffer.COPY_METHOD_ALL_DATA));
    }
    
    try {
      Buffer nullExistingDataOffsetLengthBits = new Buffer(null, 0, 0, false);
      fail();

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  public void testToByteArray() throws Exception {
    {
      Buffer allData = new Buffer(1);
      allData.fill(8, 1);
      allData.read();
      assertArrayEquals(new byte[] { -1 }, allData.toByteArray(Buffer.COPY_METHOD_ALL_DATA));
    }
    
    {
      Buffer allData = new Buffer(2);
      allData.fill(12, 1);

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    {
      Buffer allData = new Buffer(2);
      allData.fill(12, 1);
      allData.skip(4);
      assertArrayEquals(new byte[] { -1, 15 }, allData.toByteArray(Buffer.COPY_METHOD_ALL_DATA));
    }
    
    {
      Buffer defaultBuf = new Buffer(1);
      defaultBuf.fill(8, 1);

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    {
      Buffer defaultBuf = new Buffer(1);
      defaultBuf.fill(8, 1);
      defaultBuf.read();
      assertArrayEquals(new byte[] { (byte )254 }, defaultBuf.toByteArray(Buffer.COPY_METHOD_DEFAULT));
    }
    
    {
      Buffer defaultBuf = new Buffer(2);
      defaultBuf.fill(12, 1);

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    {
      Buffer defaultBuf = new Buffer(2);
      defaultBuf.fill(12, 1);
      defaultBuf.skip(4);
      assertArrayEquals(new byte[] { (byte )240, 15 }, defaultBuf.toByteArray(Buffer.COPY_METHOD_DEFAULT));
    }
    
    {
      Buffer aligned = new Buffer(1);
      aligned.fill(8, 1);

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    {
      Buffer aligned = new Buffer(1);
      aligned.fill(8, 1);
      aligned.read();
      assertArrayEquals(new byte[] { 127 }, aligned.toByteArray(Buffer.COPY_METHOD_ALIGNED));
    }
    
    {
      Buffer aligned = new Buffer(2);
      aligned.fill(12, 1);

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    {
      Buffer aligned = new Buffer(2);
      aligned.fill(12, 1);
      aligned.skip(4);
      assertArrayEquals(new byte[] { (byte )255 }, aligned.toByteArray(Buffer.COPY_METHOD_ALIGNED));
    }
    
    try {
      Buffer invalidCopyMethod = new Buffer(new byte[0]);
      invalidCopyMethod.toByteArray(Integer.MIN_VALUE);

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      assertArrayEquals(new byte[] { (byte )255 }, aligned.toByteArray(Buffer.COPY_METHOD_ALIGNED));
    }
    
    try {
      Buffer invalidCopyMethod = new Buffer(new byte[0]);
      invalidCopyMethod.toByteArray(Integer.MIN_VALUE);
      fail();
    } catch (IllegalArgumentException ex) {
    }
  }

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