/*

 * 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.

 *

 */

/* @test

 * @summary Unit test for java.net.URL (Based on the URI tests that is authored by Mark Reinhold)

 * @bug 4496251

 */

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.io.PrintStream;

import java.net.URL;

import java.net.MalformedURLException;

public class Test {

    static PrintStream out = System.out;

    static int testCount = 0;

    // Properties that we check

    static final int PARSEFAIL   = 1 << 0;

    static final int PROTOCOL    = 1 << 1;

    static final int USERINFO    = 1 << 2;

    static final int HOST        = 1 << 3;

    static final int PORT        = 1 << 4;

    static final int PATH        = 1 << 5;

    static final int QUERY       = 1 << 6;

    static final int REF         = 1 << 7;

    String input;

    URL url = null;

    URL originalURL;

    URL base = null;                    // Base for resolution/relativization

    String op = null;                   // Op performed if url != originalURL

    int checked = 0;                    // Mask for checked properties

    int failed = 0;                     // Mask for failed properties

    Exception exc = null;

    private Test(String s) {

        testCount++;

        input = s;

        try {

            url = new URL(s);

        } catch (MalformedURLException x) {

            exc = x;

        }

        originalURL = url;

    }

    static Test test(String s) {

        return new Test(s);

    }

    private Test(String s, boolean xxx) {

        testCount++;

        try {

            url = new URL(s);

        } catch (Exception x) {

            exc = x;

        }

        if (url != null)

            input = url.toString();

        originalURL = url;

    }

    static Test test(URL base, String spec) {

        return new Test(base, spec);

    }

    private Test(URL base, String spec) {

        testCount++;

        try {

            url = new URL(base, spec);

        } catch (Exception x) {

            exc = x;

        }

        if (url != null)

            input = url.toString();

        originalURL = url;

    }

   static Test test(String protocol, String host, int port, String file) {

        return new Test(protocol, host, port, file);

    }

    private Test(String protocol, String host, int port, String file) {

        testCount++;

        try {

            url = new URL(protocol, host, port, file);

        } catch (Exception x) {

            exc = x;

        }

        if (url != null)

            input = url.toString();

        originalURL = url;

    }

    boolean parsed() {

        return url != null;

    }

    boolean resolved() {

        return base != null;

    }

    URL url() {

        return url;

    }

    // Operations on Test instances

    //

    // These are short so as to make test cases compact.

    //

    //    s      Scheme

    //    u      User info

    //    h      Host

    //    n      port Number

    //    p      Path

    //    q      Query

    //    f      Fragment

    //

    //    rslv   Resolve against given base

    //    rtvz   Relativize

    //    psa    Parse server Authority

    //    norm   Normalize

    //

    //    x      Check that parse failed as expected

    //    z      End -- ensure that unchecked components are null

    private boolean check1(int prop) {

        checked |= prop;

        if (!parsed()) {

            failed |= prop;

            return false;

        }

        return true;

    }

    private void check2(String s, String ans, int prop) {

        if (s == null && ans == null)

            return;

        if ((s == null) || !s.equals(ans))

            failed |= prop;

    }

    Test s(String s) {

        if (check1(PROTOCOL)) check2(url.getProtocol(), s, PROTOCOL);

        return this;

    }

    Test u(String s) {

        if (check1(USERINFO)) check2(url.getUserInfo(), s, USERINFO);

        return this;

    }

    Test h(String s) {

        if (check1(HOST)) check2(url.getHost(), s, HOST);

        return this;

    }

    Test n(int n) {

        checked |= PORT;

        if (!parsed() || (url.getPort() != n))

            failed |= PORT;

        return this;

    }

    Test p(String s) {

        if (check1(PATH)) check2(url.getPath(), s, PATH);

        return this;

    }

    Test q(String s) {

        if (check1(QUERY)) check2(url.getQuery(), s, QUERY);

        return this;

    }

    Test f(String s) {

        if (check1(REF)) check2(url.getRef(), s, REF);

        return this;

    }

    Test x() {

        checked |= PARSEFAIL;

        if (parsed())

            failed |= PARSEFAIL;

        return this;

    }

    private void checkEmpty(String s, int prop) {

        if (((checked & prop) == 0) && (s != null))

            failed |= prop;

    }

    // Check that unchecked component properties are not defined,

    // and report any failures

    Test z() {

        if (!parsed()) {

            report();

            return this;

        }

        checkEmpty(url.getProtocol(), PROTOCOL);

        checkEmpty(url.getUserInfo(), USERINFO);

        checkEmpty(url.getHost(), HOST);

        if (((checked & PORT) == 0) && (url.getPort() != -1)) failed |= PORT;

        checkEmpty(url.getPath(), PATH);

        checkEmpty(url.getQuery(), QUERY);

        checkEmpty(url.getRef(), REF);

        report();

        return this;

    }

    // Summarization and reporting

    static void header(String s) {

        out.println();

        out.println();

        out.println("-- " + s + " --");

    }

    static void show(String prefix, MalformedURLException x) {

        out.println(prefix + ": " + x.getMessage());

    }

    private void summarize() {

        out.println();

        StringBuffer sb = new StringBuffer();

        if (input.length() == 0)

            sb.append("\"\"");

        else

            sb.append(input);

        if (base != null) {

            sb.append(" ");

            sb.append(base);

        }

        if (!parsed()) {

            String s = (((checked & PARSEFAIL) != 0)

                        ? "Correct exception" : "UNEXPECTED EXCEPTION");

            if (exc instanceof MalformedURLException)

                show(s, (MalformedURLException)exc);

            else {

                out.println(sb.toString());

                out.print(s + ": ");

                exc.printStackTrace(out);

            }

        } else {

            if (url != originalURL) {

                sb.append(" ");

                sb.append(op);

                sb.append(" --> ");

                sb.append(url);

            }

            out.println(sb.toString());

        }

    }

    static void show(String n, String v) {

        out.println("  " + n + "          = ".substring(n.length()) + v);

    }

    public static void show(URL u) {

        show("scheme", u.getProtocol());

        show("authority", u.getAuthority());

        show("userInfo", u.getUserInfo());

        show("host", u.getHost());

        show("port", "" + u.getPort());

        show("path", u.getPath());

        show("query", u.getQuery());

        show("ref", u.getRef());

    }

    private void report() {

        summarize();

        if (failed == 0) return;

        StringBuffer sb = new StringBuffer();

        sb.append("FAIL:");

        if ((failed & PARSEFAIL) != 0) sb.append(" parsefail");

        if ((failed & PROTOCOL) != 0) sb.append(" scheme");

        if ((failed & USERINFO) != 0) sb.append(" userinfo");

        if ((failed & HOST) != 0) sb.append(" host");

        if ((failed & PORT) != 0) sb.append(" port");

        if ((failed & PATH) != 0) sb.append(" path");

        if ((failed & QUERY) != 0) sb.append(" query");

        if ((failed & REF) != 0) sb.append(" fragment");

        out.println(sb.toString());

        if (url != null) show(url);

        throw new RuntimeException("Test failed");

    }

    // -- Tests --

    static void rfc2396() {

        header("RFC2396: Basic examples");

        test("ftp://ftp.is.co.za/rfc/rfc1808.txt")

            .s("ftp").h("ftp.is.co.za").p("/rfc/rfc1808.txt").z();

        test("gopher://spinaltap.micro.umn.edu/00/Weather/California/Los%20Angeles")

            .s("gopher").h("spinaltap.micro.umn.edu")

            .p("/00/Weather/California/Los%20Angeles").z();

        test("http://www.math.uio.no/faq/compression-faq/part1.html")

            .s("http").h("www.math.uio.no").p("/faq/compression-faq/part1.html").z();

        test("http://www.w3.org/Addressing/")

            .s("http").h("www.w3.org").p("/Addressing/").z();

        test("ftp://ds.internic.net/rfc/")

            .s("ftp").h("ds.internic.net").p("/rfc/").z();

        test("http://www.ics.uci.edu/pub/ietf/url/historical.html#WARNING")

            .s("http").h("www.ics.uci.edu").p("/pub/ietf/url/historical.html")

            .f("WARNING").z();

        test("http://www.ics.uci.edu/pub/ietf/url/#Related")

            .s("http").h("www.ics.uci.edu").p("/pub/ietf/url/")

            .f("Related").z();

        test("file:/home/someone/dir1/dir2/file").s("file").h("").p("/home/someone/dir1/dir2/file").z();

        header("RFC2396: Normal relative-URL examples (appendix C)");

        URL base = (test("http://a/b/c/d;p?q")

                    .s("http").h("a").p("/b/c/d;p").q("q").z().url());

        // g:h       g:h

        // test(base, "http:h").s("g").p("h").z();

        // g         http://a/b/c/g

        test(base, "g").s("http").h("a").p("/b/c/g").z();

        // ./g       http://a/b/c/g

        test(base, "./g").s("http").h("a").p("/b/c/g").z();

        // g/        http://a/b/c/g/

        test(base, "g/").s("http").h("a").p("/b/c/g/").z();

        // /g        http://a/g

        test(base, "/g").s("http").h("a").p("/g").z();

        // //g       http://g

        test(base,"//g").s("http").h("g").p("").z();

        // ?y        http://a/b/c/?y

        test(base, "?y").s("http").h("a").p("/b/c/").q("y").z();

        // g?y       http://a/b/c/g?y

        test(base, "g?y").s("http").h("a").p("/b/c/g").q("y").z();

        // #s        (current document)#s

        // DEVIATION: Lone fragment parses as relative URL with empty path,

        // and resolves without removing the last segment of the base path.

        // test(base,"#s").s("http").h("a").p("/b/c/d;p").f("s").z();

        test(base,"#s").s("http").h("a").p("/b/c/d;p").q("q").f("s").z();

        // g#s       http://a/b/c/g#s

        test(base, "g#s").s("http").h("a").p("/b/c/g").f("s").z();

        // g?y#s     http://a/b/c/g?y#s

        test(base,"g?y#s").s("http").h("a").p("/b/c/g").q("y").f("s").z();

        // ;x        http://a/b/c/;x

        test(base,";x").s("http").h("a").p("/b/c/;x").z();

        // g;x       http://a/b/c/g;x

        test(base,"g;x").s("http").h("a").p("/b/c/g;x").z();

        // g;x?y#s   http://a/b/c/g;x?y#s

        test(base,"g;x?y#s").s("http").h("a").p("/b/c/g;x").q("y").f("s").z();

        // .         http://a/b/c/

        test(base,".").s("http").h("a").p("/b/c/").z();

        // ./        http://a/b/c/

        test(base,"./").s("http").h("a").p("/b/c/").z();

        // ..        http://a/b/

        test(base,"..").s("http").h("a").p("/b/").z();

        // ../       http://a/b/

        test(base,"../").s("http").h("a").p("/b/").z();

        // ../g      http://a/b/g

        test(base,"../g").s("http").h("a").p("/b/g").z();

        // ../..     http://a/

        test(base,"../..").s("http").h("a").p("/").z();

        // ../../    http://a/

        test(base,"../../").s("http").h("a").p("/").z();

        // ../../g   http://a/g

        test(base,"../../g").s("http").h("a").p("/g").z();

        // http://u@s1/p1 http://s2/p2

        test(test("http://u:p@s1/p1").url(),"http://s2/p2")

             .s("http").h("s2").u(null).p("/p2").z();

        header("RFC2396: Abnormal relative-URL examples (appendix C)");

        // ../../../g    =  http://a/../g

        test(base,"../../../g").s("http").h("a").p("/../g").z();

        // ../../../../g =  http://a/../../g

        test(base, "../../../../g").s("http").h("a").p("/../../g").z();

        // /./g          =  http://a/./g

        test(base,"/./g").s("http").h("a").p("/./g").z();

        // /../g         =  http://a/../g

        test(base,"/../g").s("http").h("a").p("/../g").z();

        // g.            =  http://a/b/c/g.

        test(base,"g.").s("http").h("a").p("/b/c/g.").z();

        // .g            =  http://a/b/c/.g

        test(base,".g").s("http").h("a").p("/b/c/.g").z();

        // g..           =  http://a/b/c/g..

        test(base,"g..").s("http").h("a").p("/b/c/g..").z();

        // ..g           =  http://a/b/c/..g

        test(base,"..g").s("http").h("a").p("/b/c/..g").z();

        // ./../g        =  http://a/b/g

        test(base,"./../g").s("http").h("a").p("/b/g").z();

        // ./g/.         =  http://a/b/c/g/

        test(base,"./g/.").s("http").h("a").p("/b/c/g/").z();

        // g/./h         =  http://a/b/c/g/h

        test(base,"g/./h").s("http").h("a").p("/b/c/g/h").z();

        // g/../h        =  http://a/b/c/h

        test(base,"g/../h").s("http").h("a").p("/b/c/h").z();

        // g;x=1/./y     =  http://a/b/c/g;x=1/y

        test(base,"g;x=1/./y").s("http").h("a").p("/b/c/g;x=1/y").z();

        // g;x=1/../y    =  http://a/b/c/y

        test(base,"g;x=1/../y").s("http").h("a").p("/b/c/y").z();

        // g?y/./x       =  http://a/b/c/g?y/./x

        test(base,"g?y/./x").s("http").h("a").p("/b/c/g").q("y/./x").z();

        // g?y/../x      =  http://a/b/c/g?y/../x

        test(base,"g?y/../x").s("http").h("a").p("/b/c/g").q("y/../x").z();

        // g#s/./x       =  http://a/b/c/g#s/./x

        test(base,"g#s/./x").s("http").h("a").p("/b/c/g").f("s/./x").z();

        // g#s/../x      =  http://a/b/c/g#s/../x

        test(base,"g#s/../x").s("http").h("a").p("/b/c/g").f("s/../x").z();

        // http:g        =  http:g

        // test(base,"http:g").s("http").p("g").z();

    }

    static void ip() {

        header("IP addresses");

        test("http://1.2.3.4:5")

            .s("http").h("1.2.3.4").n(5).p("").z();

        // From RFC2732

        test("http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:80/index.html")

            .s("http").h("[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]")

            .n(80).p("/index.html").z();

        test("http://[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210%12]:80/index.html")

            .s("http").h("[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210%12]")

            .n(80).p("/index.html").z();

        test("http://[1080:0:0:0:8:800:200C:417A]/index.html")

            .s("http").h("[1080:0:0:0:8:800:200C:417A]").p("/index.html").z();

        test("http://[1080:0:0:0:8:800:200C:417A%1]/index.html")

            .s("http").h("[1080:0:0:0:8:800:200C:417A%1]").p("/index.html").z();

        test("http://[3ffe:2a00:100:7031::1]")

            .s("http").h("[3ffe:2a00:100:7031::1]").p("").z();

        test("http://[1080::8:800:200C:417A]/foo")

            .s("http").h("[1080::8:800:200C:417A]").p("/foo").z();

        test("http://[::192.9.5.5]/ipng")

            .s("http").h("[::192.9.5.5]").p("/ipng").z();

        test("http://[::192.9.5.5%interface]/ipng")

            .s("http").h("[::192.9.5.5%interface]").p("/ipng").z();

        test("http://[::FFFF:129.144.52.38]:80/index.html")

            .s("http").h("[::FFFF:129.144.52.38]").n(80).p("/index.html").z();

        test("http://[2010:836B:4179::836B:4179]")