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preflightEmptyLastDiscarded() — netty Function Reference

Architecture documentation for the preflightEmptyLastDiscarded() function in CorsHandlerTest.java from the netty codebase.

Function java Buffer Allocators

Entity Profile

Dependency Diagram

graph TD
  27f7d42e_e8df_6ac5_3a24_98ca4e1a8cef["preflightEmptyLastDiscarded()"]
  e946b2e4_b243_053e_5c0a_3d1a9a50042d["CorsHandlerTest"]
  27f7d42e_e8df_6ac5_3a24_98ca4e1a8cef -->|defined in| e946b2e4_b243_053e_5c0a_3d1a9a50042d
  style 27f7d42e_e8df_6ac5_3a24_98ca4e1a8cef fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/test/java/io/netty/handler/codec/http/cors/CorsHandlerTest.java lines 520–541

    @Test
    public void preflightEmptyLastDiscarded() {
        CorsConfig config = forOrigin("http://allowed").build();
        EmbeddedChannel ch = new EmbeddedChannel(new CorsHandler(config));

        FullHttpRequest preflight = new DefaultFullHttpRequest(HTTP_1_1, OPTIONS, "/test");
        preflight.headers().set(ORIGIN, "http://allowed");
        preflight.headers().set(ACCESS_CONTROL_REQUEST_METHOD, "GET");

        assertFalse(ch.writeInbound(preflight));

        Object outbound = ch.readOutbound();
        assertNotNull(outbound); // preflight response

        LastHttpContent lastHttpContent = LastHttpContent.EMPTY_LAST_CONTENT;
        assertFalse(ch.writeInbound(lastHttpContent));

        // Nothing should have been forwarded
        assertNull(ch.readInbound());

        assertFalse(ch.finish());
    }

Domain

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Defined In

Source

Frequently Asked Questions

What does preflightEmptyLastDiscarded() do?
preflightEmptyLastDiscarded() is a function in the netty codebase, defined in codec-http/src/test/java/io/netty/handler/codec/http/cors/CorsHandlerTest.java.
Where is preflightEmptyLastDiscarded() defined?
preflightEmptyLastDiscarded() is defined in codec-http/src/test/java/io/netty/handler/codec/http/cors/CorsHandlerTest.java at line 520.

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