/*

 * 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

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 * questions.

 */

/**

 * @test

 * @bug 8087112

 * @summary Basic test for headers

 */

import java.net.http.HttpHeaders;

import java.net.http.HttpRequest;

import java.net.URI;

import java.util.List;

import java.util.Iterator;

public class HeadersTest2 {

    static URI uri = URI.create("http://www.foo.com/");

    static class CompareTest {

        boolean succeed;

        List<String> nameValues1;

        List<String> nameValues2;

        /**

         * Each list contains header-name, header-value, header-name, header-value

         * sequences. The test creates two requests with the two lists

         * and compares the HttpHeaders objects returned from the requests

         */

        CompareTest(boolean succeed, List<String> l1, List<String> l2) {

            this.succeed = succeed;

            this.nameValues1 = l1;

            this.nameValues2 = l2;

        }

        public void run() {

            HttpRequest r1 = getRequest(nameValues1);

            HttpRequest r2 = getRequest(nameValues2);

            HttpHeaders h1 = r1.headers();

            HttpHeaders h2 = r2.headers();

            boolean equal = h1.equals(h2);

            if (equal && !succeed) {

                System.err.println("Expected failure");

                print(nameValues1);

                print(nameValues2);

                throw new RuntimeException();

            } else if (!equal && succeed) {

                System.err.println("Expected success");

                print(nameValues1);

                print(nameValues2);

                throw new RuntimeException();

            }

            // Ensures that headers never equal a non-HttpHeaders type

            if (h1.equals(new Object()))

                throw new RuntimeException("Unexpected h1 equals Object");

            if (h2.equals(r1))

                throw new RuntimeException("Unexpected h2 equals r1");

        }

        static void print(List<String> list) {

            System.err.print("{");

            for (String s : list) {

                System.err.print(s + " ");

            }

            System.err.println("}");

        }

        HttpRequest getRequest(List<String> headers) {

            HttpRequest.Builder builder = HttpRequest.newBuilder(uri);

            Iterator<String> iterator = headers.iterator();

            while (iterator.hasNext()) {

                String name = iterator.next();

                String value = iterator.next();

                builder.header(name, value);

            }

            return builder.GET().build();

        }

    }

    static CompareTest test(boolean s, List<String> l1, List<String> l2) {

        return new CompareTest(s, l1, l2);

    }

    static CompareTest[] compareTests = new CompareTest[] {

        test(true, List.of("Dontent-length", "99"), List.of("dontent-length", "99")),

        test(false, List.of("Dontent-length", "99"), List.of("dontent-length", "100")),

        test(false, List.of("Name1", "val1", "Name1", "val2", "name1", "val3"),

                    List.of("Name1", "val1", "Name1", "val2")),

        test(true, List.of("Name1", "val1", "Name1", "val2", "name1", "val3"),

                   List.of("NaMe1", "val1", "NAme1", "val2", "name1", "val3"))

    };

    public static void main(String[] args) {

        for (CompareTest test : compareTests) {

            test.run();

        }

    }

}