--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/net/httpclient/ProxyAuthTest.java	Fri Aug 26 08:33:28 2016 -0700
@@ -0,0 +1,174 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ */
+
+/*
+ * @test
+ * @bug 8163561
+ * @modules java.base/sun.net.www
+ * @summary Verify that Proxy-Authenticate header is correctly handled
+ *
+ * @run main/othervm ProxyAuthTest
+ */
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+import java.net.Authenticator;
+import java.net.InetSocketAddress;
+import java.net.PasswordAuthentication;
+import java.net.ProxySelector;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpResponse;
+import java.util.Base64;
+
+import sun.net.www.MessageHeader;
+
+public class ProxyAuthTest {
+    private static final String AUTH_USER = "user";
+    private static final String AUTH_PASSWORD = "password";
+
+    public static void main(String[] args) throws Exception {
+        try (ServerSocket ss = new ServerSocket(0)) {
+            int port = ss.getLocalPort();
+            MyProxy proxy = new MyProxy(ss);
+            (new Thread(proxy)).start();
+            System.out.println("Proxy listening port " + port);
+
+            Auth auth = new Auth();
+            InetSocketAddress paddr = new InetSocketAddress("localhost", port);
+
+            URI uri = new URI("http://www.google.ie/");
+            HttpClient client = HttpClient.create()
+                    .proxy(ProxySelector.of(paddr))
+                    .authenticator(auth)
+                    .build();
+            HttpResponse resp = client.request(uri)
+                    .GET()
+                    .responseAsync()
+                    .get();
+            if (resp.statusCode() != 404) {
+                throw new RuntimeException("Unexpected status code: " + resp.statusCode());
+            }
+
+            if (auth.isCalled) {
+                System.out.println("Authenticator is called");
+            } else {
+                throw new RuntimeException("Authenticator is not called");
+            }
+
+            if (!proxy.matched) {
+                throw new RuntimeException("Proxy authentication failed");
+            }
+        }
+    }
+
+    static class Auth extends Authenticator {
+        private volatile boolean isCalled;
+
+        @Override
+        protected PasswordAuthentication getPasswordAuthentication() {
+            System.out.println("scheme: " + this.getRequestingScheme());
+            isCalled = true;
+            return new PasswordAuthentication(AUTH_USER,
+                    AUTH_PASSWORD.toCharArray());
+        }
+    }
+
+    static class MyProxy implements Runnable {
+        final ServerSocket ss;
+        private volatile boolean matched;
+
+        MyProxy(ServerSocket ss) {
+            this.ss = ss;
+        }
+
+        public void run() {
+            for (int i = 0; i < 2; i++) {
+                try (Socket s = ss.accept();
+                     InputStream in = s.getInputStream();
+                     OutputStream os = s.getOutputStream();
+                     BufferedWriter writer = new BufferedWriter(
+                             new OutputStreamWriter(os));
+                     PrintWriter out = new PrintWriter(writer);) {
+                    MessageHeader headers = new MessageHeader(in);
+                    System.out.println("Proxy: received " + headers);
+
+                    String authInfo = headers
+                            .findValue("Proxy-Authorization");
+                    if (authInfo != null) {
+                        authenticate(authInfo);
+                        out.print("HTTP/1.1 404 Not found\r\n");
+                        out.print("\r\n");
+                        System.out.println("Proxy: 404");
+                        out.flush();
+                    } else {
+                        out.print("HTTP/1.1 407 Proxy Authorization Required\r\n");
+                        out.print(
+                                "Proxy-Authenticate: Basic realm=\"a fake realm\"\r\n");
+                        out.print("\r\n");
+                        System.out.println("Proxy: Authorization required");
+                        out.flush();
+                    }
+                } catch (IOException x) {
+                    System.err.println("Unexpected IOException from proxy.");
+                    x.printStackTrace();
+                    break;
+                }
+            }
+        }
+
+        private void authenticate(String authInfo) throws IOException {
+            try {
+                authInfo.trim();
+                int ind = authInfo.indexOf(' ');
+                String recvdUserPlusPass = authInfo.substring(ind + 1).trim();
+                // extract encoded username:passwd
+                String value = new String(
+                        Base64.getMimeDecoder().decode(recvdUserPlusPass));
+                String userPlusPassword = AUTH_USER + ":" + AUTH_PASSWORD;
+                if (userPlusPassword.equals(value)) {
+                    matched = true;
+                    System.out.println("Proxy: client authentication successful");
+                } else {
+                    System.err.println(
+                            "Proxy: client authentication failed, expected ["
+                                    + userPlusPassword + "], actual [" + value
+                                    + "]");
+                }
+            } catch (Exception e) {
+                throw new IOException(
+                        "Proxy received invalid Proxy-Authorization value: "
+                                + authInfo);
+            }
+        }
+    }
+
+}
+