/*

 * Copyright (c) 2015, 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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 */

/*

 * @test

 * @bug 8161157

 * @summary Test response body handlers/subscribers when there is no body

 * @library /lib/testlibrary http2/server

 * @build jdk.testlibrary.SimpleSSLContext

 * @modules java.base/sun.net.www.http

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

 *          java.net.http/jdk.internal.net.http.frame

 *          java.net.http/jdk.internal.net.http.hpack

 * @run testng/othervm

 *      -Djdk.internal.httpclient.debug=true

 *      -Djdk.httpclient.HttpClient.log=all

 *      NoBodyPartTwo

 */

import java.io.InputStream;

import java.net.URI;

import java.util.Optional;

import java.util.function.Consumer;

import java.net.http.HttpClient;

import java.net.http.HttpRequest;

import java.net.http.HttpRequest.BodyPublishers;

import java.net.http.HttpResponse;

import java.net.http.HttpResponse.BodyHandlers;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertTrue;

import static org.testng.Assert.fail;

public class NoBodyPartTwo extends AbstractNoBody {

    volatile boolean consumerHasBeenCalled;

    @Test(dataProvider = "variants")

    public void testAsByteArrayConsumer(String uri, boolean sameClient) throws Exception {

        printStamp(START, "testAsByteArrayConsumer(\"%s\", %s)", uri, sameClient);

        HttpClient client = null;

        for (int i=0; i< ITERATION_COUNT; i++) {

            if (!sameClient || client == null)

                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))

                    .PUT(BodyPublishers.ofString(SIMPLE_STRING))

                    .build();

            Consumer<Optional<byte[]>>  consumer = oba -> {

                consumerHasBeenCalled = true;

                oba.ifPresent(ba -> fail("Unexpected non-empty optional:" + ba));

            };

            consumerHasBeenCalled = false;

            client.send(req, BodyHandlers.ofByteArrayConsumer(consumer));

            assertTrue(consumerHasBeenCalled);

        }

        // We have created many clients here. Try to speed up their release.

        if (!sameClient) System.gc();

    }

    @Test(dataProvider = "variants")

    public void testAsInputStream(String uri, boolean sameClient) throws Exception {

        printStamp(START, "testAsInputStream(\"%s\", %s)", uri, sameClient);

        HttpClient client = null;

        for (int i=0; i< ITERATION_COUNT; i++) {

            if (!sameClient || client == null)

                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))

                    .PUT(BodyPublishers.ofString(SIMPLE_STRING))

                    .build();

            HttpResponse<InputStream> response = client.send(req, BodyHandlers.ofInputStream());

            byte[] body = response.body().readAllBytes();

            assertEquals(body.length, 0);

        }

        // We have created many clients here. Try to speed up their release.

        if (!sameClient) System.gc();

    }

    @Test(dataProvider = "variants")

    public void testBuffering(String uri, boolean sameClient) throws Exception {

        printStamp(START, "testBuffering(\"%s\", %s)", uri, sameClient);

        HttpClient client = null;

        for (int i=0; i< ITERATION_COUNT; i++) {

            if (!sameClient || client == null)

                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))

                    .PUT(BodyPublishers.ofString(SIMPLE_STRING))

                    .build();

            HttpResponse<byte[]> response = client.send(req,

                    BodyHandlers.buffering(BodyHandlers.ofByteArray(), 1024));

            byte[] body = response.body();

            assertEquals(body.length, 0);

        }

        // We have created many clients here. Try to speed up their release.

        if (!sameClient) System.gc();

    }

    @Test(dataProvider = "variants")

    public void testDiscard(String uri, boolean sameClient) throws Exception {

        printStamp(START, "testDiscard(\"%s\", %s)", uri, sameClient);

        HttpClient client = null;

        for (int i=0; i< ITERATION_COUNT; i++) {

            if (!sameClient || client == null)

                client = newHttpClient();

            HttpRequest req = HttpRequest.newBuilder(URI.create(uri))

                    .PUT(BodyPublishers.ofString(SIMPLE_STRING))

                    .build();

            Object obj = new Object();

            HttpResponse<Object> response = client.send(req, BodyHandlers.replacing(obj));

            assertEquals(response.body(), obj);

        }

        // We have created many clients here. Try to speed up their release.

        if (!sameClient) System.gc();

    }

}