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testCustomHandshake() — netty Function Reference

Architecture documentation for the testCustomHandshake() function in PerMessageDeflateClientExtensionHandshakerTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  7ee65e0e_8220_b850_d60f_0e088c3fd264["testCustomHandshake()"]
  96c9ad65_49f4_dedc_4a3d_ff783cf8c162["PerMessageDeflateClientExtensionHandshakerTest"]
  7ee65e0e_8220_b850_d60f_0e088c3fd264 -->|defined in| 96c9ad65_49f4_dedc_4a3d_ff783cf8c162
  style 7ee65e0e_8220_b850_d60f_0e088c3fd264 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateClientExtensionHandshakerTest.java lines 82–131

    @Test
    public void testCustomHandshake() {
        WebSocketClientExtension extension;
        Map<String, String> parameters;

        // initialize
        PerMessageDeflateClientExtensionHandshaker handshaker =
                new PerMessageDeflateClientExtensionHandshaker(6, true, 10, true, true, 0);

        parameters = new HashMap<String, String>();
        parameters.put(CLIENT_MAX_WINDOW, "12");
        parameters.put(SERVER_MAX_WINDOW, "8");
        parameters.put(CLIENT_NO_CONTEXT, null);
        parameters.put(SERVER_NO_CONTEXT, null);

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

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

        // initialize
        parameters = new HashMap<String, String>();
        parameters.put(SERVER_MAX_WINDOW, "10");
        parameters.put(SERVER_NO_CONTEXT, null);

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

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

        // initialize
        parameters = new HashMap<String, String>();

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

        // test
        assertNull(extension);
    }

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Frequently Asked Questions

What does testCustomHandshake() do?
testCustomHandshake() is a function in the netty codebase, defined in codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateClientExtensionHandshakerTest.java.
Where is testCustomHandshake() defined?
testCustomHandshake() is defined in codec-http/src/test/java/io/netty/handler/codec/http/websocketx/extensions/compression/PerMessageDeflateClientExtensionHandshakerTest.java at line 82.

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