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testGetBytesAndSetBytesWithFileChannel() — netty Function Reference

Architecture documentation for the testGetBytesAndSetBytesWithFileChannel() function in AbstractByteBufTest.java from the netty codebase.

Function java Buffer Allocators calls 1

Entity Profile

Dependency Diagram

graph TD
  864baa57_b4b0_74ef_ec3a_853bb1a3c152["testGetBytesAndSetBytesWithFileChannel()"]
  6540f2d1_cdad_6705_dd1d_9a24e2e53242["AbstractByteBufTest"]
  864baa57_b4b0_74ef_ec3a_853bb1a3c152 -->|defined in| 6540f2d1_cdad_6705_dd1d_9a24e2e53242
  3b376070_a080_cb6d_9a78_e8acbbdd5c2c["close()"]
  864baa57_b4b0_74ef_ec3a_853bb1a3c152 -->|calls| 3b376070_a080_cb6d_9a78_e8acbbdd5c2c
  style 864baa57_b4b0_74ef_ec3a_853bb1a3c152 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java lines 5855–5898

    @Test
    public void testGetBytesAndSetBytesWithFileChannel() throws IOException {
        File file = PlatformDependent.createTempFile("file-channel", ".tmp", null);
        RandomAccessFile randomAccessFile = null;
        try {
            randomAccessFile = new RandomAccessFile(file, "rw");
            FileChannel channel = randomAccessFile.getChannel();
            // channelPosition should never be changed
            long channelPosition = channel.position();

            byte[] bytes = {'a', 'b', 'c', 'd'};
            int len = bytes.length;
            ByteBuf buffer = newBuffer(len);
            buffer.resetReaderIndex();
            buffer.resetWriterIndex();
            buffer.writeBytes(bytes);

            int oldReaderIndex = buffer.readerIndex();
            assertEquals(len, buffer.getBytes(oldReaderIndex, channel, 10, len));
            assertEquals(oldReaderIndex, buffer.readerIndex());
            assertEquals(channelPosition, channel.position());

            ByteBuf buffer2 = newBuffer(len);
            buffer2.resetReaderIndex();
            buffer2.resetWriterIndex();
            int oldWriterIndex = buffer2.writerIndex();
            assertEquals(buffer2.setBytes(oldWriterIndex, channel, 10, len), len);
            assertEquals(channelPosition, channel.position());

            assertEquals(oldWriterIndex, buffer2.writerIndex());
            assertEquals('a', buffer2.getByte(oldWriterIndex));
            assertEquals('b', buffer2.getByte(oldWriterIndex + 1));
            assertEquals('c', buffer2.getByte(oldWriterIndex + 2));
            assertEquals('d', buffer2.getByte(oldWriterIndex + 3));

            buffer.release();
            buffer2.release();
        } finally {
            if (randomAccessFile != null) {
                randomAccessFile.close();
            }
            file.delete();
        }
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does testGetBytesAndSetBytesWithFileChannel() do?
testGetBytesAndSetBytesWithFileChannel() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java.
Where is testGetBytesAndSetBytesWithFileChannel() defined?
testGetBytesAndSetBytesWithFileChannel() is defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java at line 5855.
What does testGetBytesAndSetBytesWithFileChannel() call?
testGetBytesAndSetBytesWithFileChannel() calls 1 function(s): close.

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