132 lines
3.9 KiB
Java
132 lines
3.9 KiB
Java
/*
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* Copyright (c) 2006, 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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/*
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* @test
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* @bug 6446990
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* @run main/othervm TestAvailable
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* @summary HttpURLConnection#available() reads more and more data into memory
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*/
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import java.net.*;
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import java.util.*;
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import java.io.*;
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import com.sun.net.httpserver.*;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ExecutorService;
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public class TestAvailable
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{
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com.sun.net.httpserver.HttpServer httpServer;
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ExecutorService executorService;
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public static void main(String[] args)
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{
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new TestAvailable();
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}
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public TestAvailable()
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{
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try {
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startHttpServer();
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doClient();
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} catch (IOException ioe) {
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System.err.println(ioe);
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}
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}
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void doClient() {
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try {
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InetSocketAddress address = httpServer.getAddress();
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URL url = new URL("http://localhost:" + address.getPort() + "/testAvailable/");
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HttpURLConnection uc = (HttpURLConnection)url.openConnection();
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uc.setDoOutput(true);
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uc.setRequestMethod("POST");
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uc.setChunkedStreamingMode(0);
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OutputStream os = uc.getOutputStream();
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for (int i=0; i< (128 * 1024); i++)
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os.write('X');
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os.close();
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InputStream is = uc.getInputStream();
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int avail = 0;
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while (avail == 0) {
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try { Thread.sleep(2000); } catch (Exception e) {}
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avail = is.available();
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}
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try { Thread.sleep(2000); } catch (Exception e) {}
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int nextAvail = is.available();
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is.close();
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if (nextAvail > avail) {
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throw new RuntimeException
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("Failed: calling available multiple times should not return more data");
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}
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} catch (IOException e) {
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throw new RuntimeException(e);
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} finally {
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httpServer.stop(1);
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executorService.shutdown();
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}
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}
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/**
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* Http Server
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*/
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public void startHttpServer() throws IOException {
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httpServer = com.sun.net.httpserver.HttpServer.create(new InetSocketAddress(0), 0);
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// create HttpServer context
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HttpContext ctx = httpServer.createContext("/testAvailable/", new MyHandler());
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executorService = Executors.newCachedThreadPool();
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httpServer.setExecutor(executorService);
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httpServer.start();
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}
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class MyHandler implements HttpHandler {
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public void handle(HttpExchange t) throws IOException {
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InputStream is = t.getRequestBody();
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byte[] ba = new byte[1024];
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while (is.read(ba) != -1);
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is.close();
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t.sendResponseHeaders(200, 0);
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OutputStream os = t.getResponseBody();
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for (int i=0; i< (128 * 1024); i++)
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os.write('X');
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os.close();
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t.close();
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}
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}
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}
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