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testSequentialByteBufferBackedHeapBufferTransfer2() — netty Function Reference

Architecture documentation for the testSequentialByteBufferBackedHeapBufferTransfer2() function in AbstractByteBufTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  edb31a19_86a7_02c2_7c99_40583ad188fa["testSequentialByteBufferBackedHeapBufferTransfer2()"]
  6540f2d1_cdad_6705_dd1d_9a24e2e53242["AbstractByteBufTest"]
  edb31a19_86a7_02c2_7c99_40583ad188fa -->|defined in| 6540f2d1_cdad_6705_dd1d_9a24e2e53242
  style edb31a19_86a7_02c2_7c99_40583ad188fa fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java lines 1780–1818

    @Test
    public void testSequentialByteBufferBackedHeapBufferTransfer2() {
        byte[] valueContent = new byte[BLOCK_SIZE * 2];
        ByteBuf value = wrappedBuffer(ByteBuffer.allocate(BLOCK_SIZE * 2));
        value.writerIndex(0);
        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());
            int readerIndex = random.nextInt(BLOCK_SIZE);
            value.readerIndex(0);
            value.writerIndex(readerIndex + BLOCK_SIZE);
            value.readerIndex(readerIndex);
            buffer.writeBytes(value);
            assertEquals(readerIndex + BLOCK_SIZE, value.writerIndex());
            assertEquals(value.writerIndex(), value.readerIndex());
        }

        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);
            value.setBytes(0, valueContent);
            int valueOffset = random.nextInt(BLOCK_SIZE);
            assertEquals(i, buffer.readerIndex());
            assertEquals(CAPACITY, buffer.writerIndex());
            value.readerIndex(valueOffset);
            value.writerIndex(valueOffset);
            buffer.readBytes(value, BLOCK_SIZE);
            for (int j = valueOffset; j < valueOffset + BLOCK_SIZE; j ++) {
                assertEquals(expectedValue.getByte(j), value.getByte(j));
            }
            assertEquals(valueOffset, value.readerIndex());
            assertEquals(valueOffset + BLOCK_SIZE, value.writerIndex());
        }
    }

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Frequently Asked Questions

What does testSequentialByteBufferBackedHeapBufferTransfer2() do?
testSequentialByteBufferBackedHeapBufferTransfer2() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java.
Where is testSequentialByteBufferBackedHeapBufferTransfer2() defined?
testSequentialByteBufferBackedHeapBufferTransfer2() is defined in buffer/src/test/java/io/netty/buffer/AbstractByteBufTest.java at line 1780.

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