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 * Copyright (c) 2018, 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

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 */

import java.io.IOException;

import java.net.http.HttpClient;

import java.net.http.HttpHeaders;

import java.net.http.HttpRequest;

import java.net.URI;

import java.net.http.HttpResponse;

import java.time.Duration;

import java.util.Optional;

import static java.net.http.HttpClient.Builder.NO_PROXY;

/**

 * @test

 * @bug 8199135

 * @modules java.net.http/jdk.internal.net.http.common

 * @summary Basic test for method names

 */

public class MethodsTest {

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

    static final String FORBIDDEN = "()<>@,;:\\\"/[]?={} \t\r\n";

    static final HttpClient client = HttpClient.newBuilder().proxy(NO_PROXY).build();

    static void bad(String name) throws IOException, InterruptedException {

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

        try {

            builder.method(name, HttpRequest.BodyPublishers.noBody());

            throw new RuntimeException("Expected IAE for method:" + name);

        } catch (IllegalArgumentException expected) {

            System.out.println("Got expected IAE: " + expected);

        }

        try {

            HttpRequest req = new HttpRequest() {

                @Override public Optional<BodyPublisher> bodyPublisher() {

                    return Optional.of(BodyPublishers.noBody());

                }

                @Override public String method() {

                    return name;

                }

                @Override public Optional<Duration> timeout() {

                    return Optional.empty();

                }

                @Override public boolean expectContinue() {

                    return false;

                }

                @Override public URI uri() {

                    return TEST_URI;

                }

                @Override public Optional<HttpClient.Version> version() {

                    return Optional.empty();

                }

                @Override public HttpHeaders headers() {

                }

            };

            client.send(req, HttpResponse.BodyHandlers.ofString());

            throw new RuntimeException("Expected IAE for method:" + name);

        } catch (IllegalArgumentException expected) {

            System.out.println("Got expected IAE: " + expected);

        }

    }

    static void good(String name) {

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

        try {

            builder.method(name, HttpRequest.BodyPublishers.noBody());

        } catch (IllegalArgumentException e) {

            throw new RuntimeException("Unexpected IAE for header:" + name);

        }

    }

    public static void main(String[] args) throws Exception {

        bad("bad:method");

        bad("Foo\n");

        good("X-Foo!");

        good("Bar~");

        good("x");

        bad(" ");

        bad("x y");

        bad("x\t");

        bad("Bar\r\n");

        good("Hello#world");

        good("Qwer#ert");

        bad("m\u00e9thode");

        for (char c =0; c < 256 ; c++) {

            if (c < 32 || FORBIDDEN.indexOf(c) > -1 || c >= 127) {

                bad("me" + c + "thod");

                bad(c + "thod");

                bad("me" + c);

            } else {

                good("me" + c + "thod");

                good(c + "thod");

                good("me" + c);

            }

        }

    }

}