russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
118 lines
4 KiB
Java
118 lines
4 KiB
Java
/*
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* Copyright (c) 2023, 2026, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import com.sun.net.httpserver.HttpExchange;
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import com.sun.net.httpserver.HttpHandler;
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import com.sun.net.httpserver.HttpServer;
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import jdk.test.lib.net.URIBuilder;
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import org.junit.jupiter.api.Test;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.Proxy;
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import java.net.URL;
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import java.util.concurrent.CountDownLatch;
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import java.util.logging.ConsoleHandler;
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import java.util.logging.Handler;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import static org.junit.jupiter.api.Assertions.*;
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import static com.sun.net.httpserver.HttpExchange.RSPBODY_EMPTY;
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/*
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* @test
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* @bug 8219083
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* @summary HttpExchange.getResponseBody write and close should not throw
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* even when response length is zero
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* @library /test/lib
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* @comment We use othervm because this test configures logging handlers
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* for the system wide "com.sun.net.httpserver" logger
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* @run junit/othervm ${test.main.class}
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*/
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public class ZeroLengthOutputStream {
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private static final Logger LOGGER = Logger.getLogger("com.sun.net.httpserver");
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public volatile boolean closed;
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public CountDownLatch cdl = new CountDownLatch(1);
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@Test
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void test() throws IOException, InterruptedException {
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HttpServer httpServer = startHttpServer();
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int port = httpServer.getAddress().getPort();
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try {
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URL url = URIBuilder.newBuilder()
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.scheme("http")
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.loopback()
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.port(port)
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.path("/flis/")
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.toURLUnchecked();
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HttpURLConnection uc = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY);
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uc.getResponseCode();
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cdl.await();
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assertTrue(closed, "OutputStream close did not complete");
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} finally {
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httpServer.stop(0);
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}
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}
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private static void setupLogging() {
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final Handler handler = new ConsoleHandler();
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handler.setLevel(Level.FINEST);
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LOGGER.setLevel(Level.FINEST);
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LOGGER.addHandler(handler);
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}
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/**
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* Http Server
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*/
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HttpServer startHttpServer() throws IOException {
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setupLogging(); // merely for debugging
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InetAddress loopback = InetAddress.getLoopbackAddress();
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HttpServer httpServer = HttpServer.create(new InetSocketAddress(loopback, 0), 0);
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httpServer.createContext("/flis/", new MyHandler());
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httpServer.start();
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return httpServer;
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}
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class MyHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange t) throws IOException {
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try {
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OutputStream os = t.getResponseBody();
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t.sendResponseHeaders(200, RSPBODY_EMPTY);
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os.write(new byte[0]);
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os.close();
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System.out.println("Output stream closed");
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closed = true;
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} finally {
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cdl.countDown();
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}
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}
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}
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}
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