stateChanges() — netty Function Reference

Architecture documentation for the stateChanges() function in Http2FrameCodecTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Buffer→ Allocators→ stateChanges() — netty Function Reference

Dependency Diagram

graph TD
  220ce60e_282e_a12d_b6ae_a5f8c2f25fc5["stateChanges()"]
  71f17950_8fc4_c3e9_2e13_384d1ac7ea2c["Http2FrameCodecTest"]
  220ce60e_282e_a12d_b6ae_a5f8c2f25fc5 -->|defined in| 71f17950_8fc4_c3e9_2e13_384d1ac7ea2c
  style 220ce60e_282e_a12d_b6ae_a5f8c2f25fc5 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http2/src/test/java/io/netty/handler/codec/http2/Http2FrameCodecTest.java lines 167–197

    @Test
    public void stateChanges() throws Exception {
        frameInboundWriter.writeInboundHeaders(1, request, 31, true);

        Http2Stream stream = frameCodec.connection().stream(1);
        assertNotNull(stream);
        assertEquals(State.HALF_CLOSED_REMOTE, stream.state());

        Http2FrameStreamEvent event = inboundHandler.readInboundMessageOrUserEvent();
        assertEquals(State.HALF_CLOSED_REMOTE, event.stream().state());

        Http2StreamFrame inboundFrame = inboundHandler.readInbound();
        Http2FrameStream stream2 = inboundFrame.stream();
        assertNotNull(stream2);
        assertEquals(1, stream2.id());
        assertEquals(inboundFrame, new DefaultHttp2HeadersFrame(request, true, 31).stream(stream2));
        assertNull(inboundHandler.readInbound());

        channel.writeOutbound(new DefaultHttp2HeadersFrame(response, true, 27).stream(stream2));
        verify(frameWriter).writeHeaders(
                eqFrameCodecCtx(), eq(1), eq(response),
                eq(27), eq(true), anyChannelPromise());
        verify(frameWriter, never()).writeRstStream(
                eqFrameCodecCtx(), anyInt(), anyLong(), anyChannelPromise());

        assertEquals(State.CLOSED, stream.state());
        event = inboundHandler.readInboundMessageOrUserEvent();
        assertEquals(State.CLOSED, event.stream().state());

        assertTrue(channel.isActive());
    }