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testNormalHandshake() — netty Function Reference

Architecture documentation for the testNormalHandshake() function in PerMessageDeflateServerExtensionHandshakerTest.java from the netty codebase.

Function java Buffer Allocators

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Dependency Diagram

graph TD
  71fc230b_cc8e_e037_1de0_bf25f132f7bf["testNormalHandshake()"]
  7f670299_1326_6445_834b_912c2028d4ba["PerMessageDeflateServerExtensionHandshakerTest"]
  71fc230b_cc8e_e037_1de0_bf25f132f7bf -->|defined in| 7f670299_1326_6445_834b_912c2028d4ba
  style 71fc230b_cc8e_e037_1de0_bf25f132f7bf fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateServerExtensionHandshakerTest.java lines 36–95

    @Test
    public void testNormalHandshake() {
        WebSocketServerExtension extension;
        WebSocketExtensionData data;
        Map<String, String> parameters;

        // initialize
        PerMessageDeflateServerExtensionHandshaker handshaker =
                new PerMessageDeflateServerExtensionHandshaker(0);

        // execute
        extension = handshaker.handshakeExtension(
                new WebSocketExtensionData(PERMESSAGE_DEFLATE_EXTENSION, Collections.<String, String>emptyMap()));

        // test
        assertNotNull(extension);
        assertEquals(WebSocketServerExtension.RSV1, extension.rsv());
        assertTrue(extension.newExtensionDecoder() instanceof PerMessageDeflateDecoder);
        assertTrue(extension.newExtensionEncoder() instanceof PerMessageDeflateEncoder);

        // execute
        data = extension.newReponseData();

        assertEquals(PERMESSAGE_DEFLATE_EXTENSION, data.name());
        assertTrue(data.parameters().isEmpty());

        // initialize
        parameters = new HashMap<String, String>();
        parameters.put(CLIENT_MAX_WINDOW, null);
        parameters.put(CLIENT_NO_CONTEXT, null);

        // execute
        extension = handshaker.handshakeExtension(
                new WebSocketExtensionData(PERMESSAGE_DEFLATE_EXTENSION, Collections.<String, String>emptyMap()));

        // test
        assertNotNull(extension);
        assertEquals(WebSocketServerExtension.RSV1, extension.rsv());
        assertTrue(extension.newExtensionDecoder() instanceof PerMessageDeflateDecoder);
        assertTrue(extension.newExtensionEncoder() instanceof PerMessageDeflateEncoder);

        // execute
        data = extension.newReponseData();

        // test
        assertEquals(PERMESSAGE_DEFLATE_EXTENSION, data.name());
        assertTrue(data.parameters().isEmpty());

        // initialize
        parameters = new HashMap<String, String>();
        parameters.put(SERVER_MAX_WINDOW, "12");
        parameters.put(SERVER_NO_CONTEXT, null);

        // execute
        extension = handshaker.handshakeExtension(
                new WebSocketExtensionData(PERMESSAGE_DEFLATE_EXTENSION, parameters));

        // test
        assertNull(extension);
    }

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Frequently Asked Questions

What does testNormalHandshake() do?
testNormalHandshake() is a function in the netty codebase, defined in codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateServerExtensionHandshakerTest.java.
Where is testNormalHandshake() defined?
testNormalHandshake() is defined in codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateServerExtensionHandshakerTest.java at line 36.

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