/*

 * Copyright (c) 2000, 2011, 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

 * @summary Unit test for java.net.URI

 * @bug 4464135 4505046 4503239 4438319 4991359 4866303 7023363 7041800

 * @author Mark Reinhold

 */

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.URI;

import java.net.URISyntaxException;

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 SCHEME      = 1 << 1;

    static final int SSP         = 1 << 2;

    static final int SSP_D       = 1 << 3;      // Decoded form

    static final int OPAQUEPART  = 1 << 4;      // SSP, and URI is opaque

    static final int USERINFO    = 1 << 5;

    static final int USERINFO_D  = 1 << 6;      // Decoded form

    static final int HOST        = 1 << 7;

    static final int PORT        = 1 << 8;

    static final int REGISTRY    = 1 << 9;

    static final int REGISTRY_D  = 1 << 10;     // Decoded form

    static final int PATH        = 1 << 11;

    static final int PATH_D      = 1 << 12;     // Decoded form

    static final int QUERY       = 1 << 13;

    static final int QUERY_D     = 1 << 14;     // Decoded form

    static final int FRAGMENT    = 1 << 15;

    static final int FRAGMENT_D  = 1 << 16;     // Decoded form

    static final int TOASCII     = 1 << 17;

    static final int IDENT_STR   = 1 << 18;     // Identities

    static final int IDENT_URI1  = 1 << 19;

    static final int IDENT_URI3  = 1 << 20;

    static final int IDENT_URI5  = 1 << 21;

    static final int IDENT_URI7  = 1 << 22;

    static final int TOSTRING    = 1 << 23;

    String input;

    URI uri = null;

    URI originalURI;

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

    String op = null;                   // Op performed if uri != originalURI

    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 {

            uri = new URI(s);

        } catch (URISyntaxException x) {

            exc = x;

        }

        originalURI = uri;

    }

    static Test test(String s) {

        return new Test(s);

    }

    private Test(String s, String u, String h, int n,

                 String p, String q, String f)

    {

        testCount++;

        try {

            uri = new URI(s, u, h, n, p, q, f);

        } catch (URISyntaxException x) {

            exc = x;

            input = x.getInput();

        }

        if (uri != null)

            input = uri.toString();

        originalURI = uri;

    }

    static Test test(String s, String u, String h, int n,

                     String p, String q, String f) {

        return new Test(s, u, h, n, p, q, f);

    }

    private Test(String s, String a,

                 String p, String q, String f)

    {

        testCount++;

        try {

            uri = new URI(s, a, p, q, f);

        } catch (URISyntaxException x) {

            exc = x;

            input = x.getInput();

        }

        if (uri != null)

            input = uri.toString();

        originalURI = uri;

    }

    static Test test(String s, String a,

                     String p, String q, String f) {

        return new Test(s, a, p, q, f);

    }

    private Test(String s, String h, String p, String f) {

        testCount++;

        try {

            uri = new URI(s, h, p, f);

        } catch (URISyntaxException x) {

            exc = x;

            input = x.getInput();

        }

        if (uri != null)

            input = uri.toString();

        originalURI = uri;

    }

    static Test test(String s, String h, String p, String f) {

        return new Test(s, h, p, f);

    }

    private Test(String s, String ssp, String f) {

        testCount++;

        try {

            uri = new URI(s, ssp, f);

        } catch (URISyntaxException x) {

            exc = x;

            input = x.getInput();

        }

        if (uri != null)

            input = uri.toString();

        originalURI = uri;

    }

    static Test test(String s, String ssp, String f) {

        return new Test(s, ssp, f);

    }

    private Test(String s, boolean xxx) {

        testCount++;

        try {

            uri = URI.create(s);

        } catch (IllegalArgumentException x) {

            exc = x;

        }

        if (uri != null)

            input = uri.toString();

        originalURI = uri;

    }

    static Test testCreate(String s) {

        return new Test(s, false);

    }

    boolean parsed() {

        return uri != null;

    }

    boolean resolved() {

        return base != null;

    }

    URI uri() {

        return uri;

    }

    // Operations on Test instances

    //

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

    //

    //    s      Scheme

    //    sp     Scheme-specific part

    //    spd    Scheme-specific part, decoded

    //    o      Opaque part (isOpaque() && ssp matches)

    //    g      reGistry (authority matches, and host is not defined)

    //    gd     reGistry, decoded

    //    u      User info

    //    ud     User info, decoded

    //    h      Host

    //    n      port Number

    //    p      Path

    //    pd     Path, decoded

    //    q      Query

    //    qd     Query, decoded

    //    f      Fragment

    //    fd     Fragment, decoded

    //

    //    rslv   Resolve against given base

    //    rtvz   Relativize

    //    psa    Parse server Authority

    //    norm   Normalize

    //    ta     ASCII form

    //

    //    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) || !s.equals(ans))

            failed |= prop;

    }

    Test s(String s) {

        if (check1(SCHEME)) check2(uri.getScheme(), s, SCHEME);

        return this;

    }

    Test u(String s) {

        if (check1(USERINFO)) check2(uri.getRawUserInfo(), s, USERINFO);

        return this;

    }

    Test ud(String s) {

        if (check1(USERINFO_D)) {

            check2(uri.getUserInfo(), s, USERINFO_D);

        }

        return this;

    }

    Test h(String s) {

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

        return this;

    }

    Test g(String s) {

        if (check1(REGISTRY)) {

            if (uri.getHost() != null)

                failed |= REGISTRY;

            else

                check2(uri.getRawAuthority(), s, REGISTRY);

        }

        return this;

    }

    Test gd(String s) {

        if (check1(REGISTRY_D)) {

            if (uri.getHost() != null)

                failed |= REGISTRY_D;

            else

                check2(uri.getAuthority(), s, REGISTRY_D);

        }

        return this;

    }

    Test n(int n) {

        checked |= PORT;

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

            failed |= PORT;

        return this;

    }

    Test p(String s) {

        if (check1(PATH)) check2(uri.getRawPath(), s, PATH);

        return this;

    }

    Test pd(String s) {

        if (check1(PATH_D)) check2(uri.getPath(), s, PATH_D);

        return this;

    }

    Test o(String s) {

        if (check1(OPAQUEPART)) {

            if (!uri.isOpaque())

                failed |= OPAQUEPART;

            else

                check2(uri.getSchemeSpecificPart(), s, OPAQUEPART);

        }

        return this;

    }

    Test sp(String s) {

        if (check1(SSP)) check2(uri.getRawSchemeSpecificPart(), s, SSP);

        return this;

    }

    Test spd(String s) {

        if (check1(SSP_D)) check2(uri.getSchemeSpecificPart(), s, SSP_D);

        return this;

    }

    Test q(String s) {

        if (check1(QUERY)) check2(uri.getRawQuery(), s, QUERY);

        return this;

    }

    Test qd(String s) {

        if (check1(QUERY_D)) check2(uri.getQuery(), s, QUERY_D);

        return this;

    }

    Test f(String s) {

        if (check1(FRAGMENT)) check2(uri.getRawFragment(), s, FRAGMENT);

        return this;

    }

    Test fd(String s) {

        if (check1(FRAGMENT_D)) check2(uri.getFragment(), s, FRAGMENT_D);

        return this;

    }

    Test ta(String s) {

        if (check1(TOASCII))

            check2(uri.toASCIIString(), s, TOASCII);

        return this;

    }

    Test ts(String s) {

        if (check1(TOSTRING))

            check2(uri.toString(), s, TOSTRING);

        return this;

    }

    Test x() {

        checked |= PARSEFAIL;

        if (parsed())

            failed |= PARSEFAIL;

        return this;

    }

    Test rslv(URI base) {

        if (!parsed())

            return this;

        this.base = base;

        op = "rslv";

        URI u = uri;

        uri = null;

        try {

            this.uri = base.resolve(u);

        } catch (IllegalArgumentException x) {

            exc = x;

        }

        checked = 0;

        failed = 0;

        return this;

    }

    Test norm() {

        if (!parsed())

            return this;

        op = "norm";

        uri = uri.normalize();

        return this;

    }

    Test rtvz(URI base) {

        if (!parsed())

            return this;

        this.base = base;

        op = "rtvz";

        uri = base.relativize(uri);

        checked = 0;

        failed = 0;

        return this;

    }

    Test psa() {

        try {

            uri.parseServerAuthority();

        } catch (URISyntaxException x) {

            exc = x;

            uri = null;

        }

        checked = 0;

        failed = 0;

        return this;

    }

    private void checkEmpty(String s, int prop) {

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

            failed |= prop;

    }

    // Check identity for the seven-argument URI constructor

    //

    void checkURI7() {

        // Only works on hierarchical URIs

        if (uri.isOpaque())

            return;

        // Only works with server-based authorities

        if ((uri.getAuthority() == null)

            != ((uri.getUserInfo() == null) && (uri.getHost() == null)))

            return;

        // Not true if non-US-ASCII chars are encoded unnecessarily

        if (uri.getPath().indexOf('\u20AC') >= 0)

            return;

        try {

            URI u2 = new URI(uri.getScheme(), uri.getUserInfo(),

                             uri.getHost(), uri.getPort(), uri.getPath(),

                             uri.getQuery(), uri.getFragment());

            if (!uri.equals(u2))

                failed |= IDENT_URI7;

        } catch (URISyntaxException x) {

            failed |= IDENT_URI7;

        }

    }

    // Check identity for the five-argument URI constructor

    //

    void checkURI5() {

        // Only works on hierarchical URIs

        if (uri.isOpaque())

            return;

        try {

            URI u2 = new URI(uri.getScheme(), uri.getAuthority(),

                             uri.getPath(), uri.getQuery(), uri.getFragment());

            if (!uri.equals(u2))

                failed |= IDENT_URI5;

        } catch (URISyntaxException x) {

            failed |= IDENT_URI5;

        }

    }

    // Check identity for the three-argument URI constructor

    //

    void checkURI3() {

        try {

            URI u2 = new URI(uri.getScheme(),

                             uri.getSchemeSpecificPart(),

                             uri.getFragment());

            if (!uri.equals(u2))

                failed |= IDENT_URI3;

        } catch (URISyntaxException x) {

            failed |= IDENT_URI3;

        }

    }

    // Check all identities mentioned in the URI class specification

    //

    void checkIdentities() {

        if (input != null) {

            if (!uri.toString().equals(input))

                failed |= IDENT_STR;

        }

        try {

            if (!(new URI(uri.toString())).equals(uri))

                failed |= IDENT_URI1;

        } catch (URISyntaxException x) {

            failed |= IDENT_URI1;

        }

        // Remaining identities fail if "//" given but authority is undefined

        if ((uri.getAuthority() == null)

            && (uri.getSchemeSpecificPart() != null)

            && (uri.getSchemeSpecificPart().startsWith("///")

                || uri.getSchemeSpecificPart().startsWith("//?")

                || uri.getSchemeSpecificPart().equals("//")))

            return;

        // Remaining identities fail if ":" given but port is undefined

        if ((uri.getHost() != null)

            && (uri.getAuthority() != null)

            && (uri.getAuthority().equals(uri.getHost() + ":")))

            return;

        // Remaining identities fail if non-US-ASCII chars are encoded

        // unnecessarily

        if ((uri.getPath() != null) && uri.getPath().indexOf('\u20AC') >= 0)

            return;

        checkURI3();

        checkURI5();

        checkURI7();

    }

    // Check identities, check that unchecked component properties are not

    // defined, and report any failures

    //

    Test z() {

        if (!parsed()) {

            report();

            return this;

        }

        if (op == null)

            checkIdentities();

        // Check that unchecked components are undefined

        checkEmpty(uri.getScheme(), SCHEME);

        checkEmpty(uri.getUserInfo(), USERINFO);

        checkEmpty(uri.getHost(), HOST);

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

        checkEmpty(uri.getPath(), PATH);

        checkEmpty(uri.getQuery(), QUERY);

        checkEmpty(uri.getFragment(), FRAGMENT);