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testExpire() — netty Function Reference

Architecture documentation for the testExpire() function in DefaultDnsCnameCacheTest.java from the netty codebase.

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Dependency Diagram

graph TD
  c52befba_8fb5_0b2e_5f00_80d927410091["testExpire()"]
  16ad9679_0159_d6d4_e25b_e5cafe1bc921["DefaultDnsCnameCacheTest"]
  c52befba_8fb5_0b2e_5f00_80d927410091 -->|defined in| 16ad9679_0159_d6d4_e25b_e5cafe1bc921
  style c52befba_8fb5_0b2e_5f00_80d927410091 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

resolver-dns/src/test/java/io/netty/resolver/dns/DefaultDnsCnameCacheTest.java lines 34–60

    @Test
    public void testExpire() throws Throwable {
        EventLoopGroup group = new MultiThreadIoEventLoopGroup(1, LocalIoHandler.newFactory());

        try {
            EventLoop loop = group.next();
            final DefaultDnsCnameCache cache = new DefaultDnsCnameCache();
            cache.cache("netty.io", "mapping.netty.io", 1, loop);

            Throwable error = loop.schedule(new Callable<Throwable>() {
                @Override
                public Throwable call() {
                    try {
                        assertNull(cache.get("netty.io"));
                        return null;
                    } catch (Throwable cause) {
                        return cause;
                    }
                }
            }, 1, TimeUnit.SECONDS).get();
            if (error != null) {
                throw error;
            }
        } finally {
            group.shutdownGracefully();
        }
    }

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Frequently Asked Questions

What does testExpire() do?
testExpire() is a function in the netty codebase, defined in resolver-dns/src/test/java/io/netty/resolver/dns/DefaultDnsCnameCacheTest.java.
Where is testExpire() defined?
testExpire() is defined in resolver-dns/src/test/java/io/netty/resolver/dns/DefaultDnsCnameCacheTest.java at line 34.

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