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testReleasesItsComponents() — netty Function Reference

Architecture documentation for the testReleasesItsComponents() function in AbstractCompositeByteBufTest.java from the netty codebase.

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Dependency Diagram

graph TD
  03c0ba18_3c27_6e28_aefe_a090c6a49343["testReleasesItsComponents()"]
  47bc0a20_e243_89ff_132b_99ac6b23835f["AbstractCompositeByteBufTest"]
  03c0ba18_3c27_6e28_aefe_a090c6a49343 -->|defined in| 47bc0a20_e243_89ff_132b_99ac6b23835f
  style 03c0ba18_3c27_6e28_aefe_a090c6a49343 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java lines 1301–1328

    @Test
    public void testReleasesItsComponents() {
        ByteBuf buffer = PooledByteBufAllocator.DEFAULT.buffer(); // 1

        buffer.writeBytes(new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9, 10});

        ByteBuf s1 = buffer.readSlice(2).retain(); // 2
        ByteBuf s2 = s1.readSlice(2).retain(); // 3
        ByteBuf s3 = s2.readSlice(2).retain(); // 4
        ByteBuf s4 = s3.readSlice(2).retain(); // 5

        ByteBuf composite = PooledByteBufAllocator.DEFAULT.compositeBuffer()
            .addComponent(s1)
            .addComponents(s2, s3, s4)
            .order(ByteOrder.LITTLE_ENDIAN);

        assertEquals(1, composite.refCnt());
        assertEquals(5, buffer.refCnt());

        // releasing composite should release the 4 components
        ReferenceCountUtil.release(composite);
        assertEquals(0, composite.refCnt());
        assertEquals(1, buffer.refCnt());

        // last remaining ref to buffer
        ReferenceCountUtil.release(buffer);
        assertEquals(0, buffer.refCnt());
    }

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Frequently Asked Questions

What does testReleasesItsComponents() do?
testReleasesItsComponents() is a function in the netty codebase, defined in buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java.
Where is testReleasesItsComponents() defined?
testReleasesItsComponents() is defined in buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java at line 1301.

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