testSequentialDirectBufferTransfer1() — netty Function Reference

Architecture documentation for the testSequentialDirectBufferTransfer1() function in AbstractByteBufTest.java from the netty codebase.

Function java Buffer Telemetry

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Buffer→ Telemetry→ testSequentialDirectBufferTransfer1() — netty Function Reference

Dependency Diagram

graph TD
  99b83d8d_8011_e103_ca04_8c433ec2a78a["testSequentialDirectBufferTransfer1()"]
  6540f2d1_cdad_6705_dd1d_9a24e2e53242["AbstractByteBufTest"]
  99b83d8d_8011_e103_ca04_8c433ec2a78a -->|defined in| 6540f2d1_cdad_6705_dd1d_9a24e2e53242
  style 99b83d8d_8011_e103_ca04_8c433ec2a78a fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java lines 1670–1703

    @Test
    public void testSequentialDirectBufferTransfer1() {
        byte[] valueContent = new byte[BLOCK_SIZE * 2];
        ByteBuf value = directBuffer(BLOCK_SIZE * 2);
        buffer.writerIndex(0);
        for (int i = 0; i < buffer.capacity() - BLOCK_SIZE + 1; i += BLOCK_SIZE) {
            random.nextBytes(valueContent);
            value.setBytes(0, valueContent);
            assertEquals(0, buffer.readerIndex());
            assertEquals(i, buffer.writerIndex());
            buffer.writeBytes(value, random.nextInt(BLOCK_SIZE), BLOCK_SIZE);
            assertEquals(0, value.readerIndex());
            assertEquals(0, value.writerIndex());
        }

        random.setSeed(seed);
        byte[] expectedValueContent = new byte[BLOCK_SIZE * 2];
        ByteBuf expectedValue = wrappedBuffer(expectedValueContent);
        for (int i = 0; i < buffer.capacity() - BLOCK_SIZE + 1; i += BLOCK_SIZE) {
            random.nextBytes(expectedValueContent);
            int valueOffset = random.nextInt(BLOCK_SIZE);
            value.setBytes(0, valueContent);
            assertEquals(i, buffer.readerIndex());
            assertEquals(CAPACITY, buffer.writerIndex());
            buffer.readBytes(value, valueOffset, BLOCK_SIZE);
            for (int j = valueOffset; j < valueOffset + BLOCK_SIZE; j ++) {
                assertEquals(expectedValue.getByte(j), value.getByte(j));
            }
            assertEquals(0, value.readerIndex());
            assertEquals(0, value.writerIndex());
        }
        value.release();
        expectedValue.release();
    }