/*
 * Copyright (c) 2002, 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.
 *
 * 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
 * questions.
 */

/**
 * @test
 * @modules java.base/sun.net.www
 * @summary Tests for HeaderParser and MessageHeader
 *
 * Test of HeaderParser, MessageHeader changes
 * introduced for bug fix 4722333.
 */

import sun.net.www.HeaderParser;
import sun.net.www.MessageHeader;
import java.io.*;
import java.util.Iterator;

public class HeaderTests {

    static MessageHeader createMessageHeader (String s) {
        ByteArrayInputStream bis = new ByteArrayInputStream (s.getBytes());
        MessageHeader h = new MessageHeader ();
        try {
            h.parseHeader (bis);
        } catch (IOException e) {
            throw new RuntimeException ("IOException parsing header");
        }
        return h;
    }

    /* String to parse */

    static String s1 =
                "Foo: bar\r\n"+
                "Fub: abc\r\n"+
                "Foo:\r\n"+
                "Fub: \r\n"+
                "Foo: param1=one param2=\"two\" param3 param4=\"value=4\"\r\n"+
                "Fub: xparam1=one xparam2=\"two\" xparam3 xparam4=\"value=4\"\r\n";

    static String s2 = "p1=1 p2=2 p3=3 p4=4 p5=5 p6=\"six\" p7=7 p8=8 p9=9 p10=10 p11=11 p12=12";

    static String s3 = "p1=1, p2=2, p3=3, p4=4, p5=5, p6=\"six\", p7=7, p8=8, p9=9, p10=10, p11=11, p12=12";

    static String s23_expect[][] = {{"p2","2"},{"p3","3"},{"p4","4"},{"p5","5"},{"p6","six"},
                                    {"p7","7"},{"p8","8"},{"p9","9"},{"p10","10"},{"p11","11"},{"p12","12"}};

    static String s23_expect1[][] = {{"p1","1"},{"p2","2"},{"p3","3"},{"p4","4"},{"p5","5"},{"p6","six"},
                                    {"p7","7"},{"p8","8"},{"p9","9"},{"p10","10"},{"p11","11"}};

    static String s23_expect2[][] = {{"p5","5"},{"p6","six"}};

    /* Expected header parser contents for Foo headers */
    static String s1_Foo[][][] = {{{"bar", null}
                                  },
                                  {{"param1","one"},{"param2","two"},
                                   {"param3", null},{"param4","value=4"}
                                  }
                                 };

    /* Expected header parser contents for Fub headers */
    static String s1_Fub[][][] = {{{"abc", null}
                                  },
                                  {{"xparam1","one"},{"xparam2","two"},
                                   {"xparam3", null},{"xparam4","value=4"}
                                  }
                                 };

    public static void main (String args[]) {
        MessageHeader head = createMessageHeader (s1);
        Iterator iter = head.multiValueIterator ("Foo");
        checkHeader (iter, s1_Foo);
        iter = head.multiValueIterator ("Fub");
        checkHeader (iter, s1_Fub);

        HeaderParser hp = new HeaderParser (s2).subsequence (1,12);
        check (hp, s23_expect);

        hp = new HeaderParser (s3).subsequence (1,12);
        check (hp, s23_expect);

        hp = new HeaderParser (s3).subsequence (0,11);
        check (hp, s23_expect1);

        hp = new HeaderParser (s2).subsequence (4,6);
        check (hp, s23_expect2);
    }

    static void checkHeader (Iterator iter, String[][][] expect) {
        for (int i=0; iter.hasNext (); ) {
            String s = (String) iter.next();
            HeaderParser p = new HeaderParser (s);
            boolean empty = check (p, expect[i]);
            if (!empty) {
                i++;
            }
        }
    }

        static boolean check (HeaderParser p, String[][]expect) {
            Iterator keys = p.keys();
            Iterator vals = p.values();
            boolean empty = true;
            for (int j=0; keys.hasNext(); j++) {
                empty = false;
                String key = (String)keys.next();
                String ival = (String)vals.next();
                String val = p.findValue (key);
                if (val == null && ival == null)
                    continue;
                if (!val.equals(ival)) {
                    throw new RuntimeException ("Error " + val + "/" + ival);
                }
                if (!expect[j][0].equals (key)) {
                    throw new RuntimeException ("Error "+key+"/" + expect[j][0]);
                }
                if (expect[j][1] != null && !expect[j][1].equals (val)) {
                    throw new RuntimeException ("Error "+val+"/" + expect[j][1]);
                }
            }
            return empty;
        }
}