jdk-24/test/jdk/java/net/URLConnection/B5052093.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/*
 * @test
 * @bug 5052093
 * @modules java.base/sun.net.www java.base/sun.net.www.protocol.file
 * @library ../../../sun/net/www/httptest/
 * @build HttpCallback TestHttpServer ClosedChannelList HttpTransaction
 * @run main B5052093
 * @summary URLConnection doesn't support large files
 */
import java.net.*;
import java.io.*;
import sun.net.www.protocol.file.FileURLConnection;

public class B5052093 implements HttpCallback {
    private static TestHttpServer server;
    private static long testSize = ((long) (Integer.MAX_VALUE)) + 2;

    public static class LargeFile extends File {
        public LargeFile() {
            super("/dev/zero");
        }

        public long length() {
            return testSize;
        }
    }

    public static class LargeFileURLConnection extends FileURLConnection {
        public LargeFileURLConnection(LargeFile f) throws IOException {
                super(new URL("file:///dev/zero"), f);
        }
    }

    public void request(HttpTransaction req) {
        try {
            req.setResponseHeader("content-length", Long.toString(testSize));
            req.sendResponse(200, "OK");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws Exception {
        InetAddress loopback = InetAddress.getLoopbackAddress();
        server = new TestHttpServer(new B5052093(), 1, 10, loopback, 0);
        try {
            URL url = new URL("http://" + server.getAuthority() + "/foo");
            URLConnection conn = url.openConnection();
            int i = conn.getContentLength();
            long l = conn.getContentLengthLong();
            if (i != -1 || l != testSize) {
                System.out.println("conn.getContentLength = " + i);
                System.out.println("conn.getContentLengthLong = " + l);
                System.out.println("testSize = " + testSize);
                throw new RuntimeException("Wrong content-length from http");
            }

            URLConnection fu = new LargeFileURLConnection(new LargeFile());
            i = fu.getContentLength();
            l = fu.getContentLengthLong();
            if (i != -1 || l != testSize) {
                System.out.println("fu.getContentLength = " + i);
                System.out.println("fu.getContentLengthLong = " + l);
                System.out.println("testSize = " + testSize);
                throw new RuntimeException("Wrong content-length from file");
            }
        } finally {
            server.terminate();
        }
    }
}