testPipelineOperation() — netty Function Reference

Architecture documentation for the testPipelineOperation() function in DefaultChannelPipelineTest.java from the netty codebase.

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Dependency Diagram

graph TD
  83093a77_1a36_e69f_7063_95474ef572e6["testPipelineOperation()"]
  666d912b_4166_a807_ed10_ba12f328a7b2["DefaultChannelPipelineTest"]
  83093a77_1a36_e69f_7063_95474ef572e6 -->|defined in| 666d912b_4166_a807_ed10_ba12f328a7b2
  ac4e68ef_f839_82a9_88bf_102a3c997dd8["newHandlers()"]
  83093a77_1a36_e69f_7063_95474ef572e6 -->|calls| ac4e68ef_f839_82a9_88bf_102a3c997dd8
  4b537eb5_ea5f_db6e_51cd_6385e6861dda["verifyContextNumber()"]
  83093a77_1a36_e69f_7063_95474ef572e6 -->|calls| 4b537eb5_ea5f_db6e_51cd_6385e6861dda
  style 83093a77_1a36_e69f_7063_95474ef572e6 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/test/java/io/netty/channel/DefaultChannelPipelineTest.java lines 624–650

    @Test
    public void testPipelineOperation() {
        ChannelPipeline pipeline = new LocalChannel().pipeline();

        final int handlerNum = 5;
        ChannelHandler[] handlers1 = newHandlers(handlerNum);
        ChannelHandler[] handlers2 = newHandlers(handlerNum);

        final String prefixX = "x";
        for (int i = 0; i < handlerNum; i++) {
            if (i % 2 == 0) {
                pipeline.addFirst(prefixX + i, handlers1[i]);
            } else {
                pipeline.addLast(prefixX + i, handlers1[i]);
            }
        }

        for (int i = 0; i < handlerNum; i++) {
            if (i % 2 != 0) {
                pipeline.addBefore(prefixX + i, String.valueOf(i), handlers2[i]);
            } else {
                pipeline.addAfter(prefixX + i, String.valueOf(i), handlers2[i]);
            }
        }

        verifyContextNumber(pipeline, handlerNum * 2);
    }