test/jdk/java/net/spi/InetAddressResolverProvider/BootstrapResolverUsageTest.java - master - githubmirror/jdk22

test/jdk/java/net/spi/InetAddressResolverProvider/BootstrapResolverUsageTest.java

49 строк2 KB

Aleksei Efimov

8244202: Implementation of JEP 418: Internet-Address Resolution SPI

11 ноя 2021, 17:33

11 ноя 2021, 17:332ca4ff8

/*
 * Copyright (c) 2021, 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.
 */

import java.net.InetAddress;

import org.testng.Assert;
import org.testng.annotations.Test;

import static impl.WithBootstrapResolverUsageProvider.numberOfGetCalls;

/**
 * @test
 * @summary Test that InetAddress class properly avoids stack-overflow by
 * correctly tracking the bootstrap resolver instance when
 * InetAddressResolverProvider.get method uses InetAddress lookup API.
 * @library providers/bootstrapUsage
 * @build bootstrap.usage.provider/impl.WithBootstrapResolverUsageProvider
 * @run testng/othervm BootstrapResolverUsageTest
 */

public class BootstrapResolverUsageTest {

    @Test
    public void testSuccessfulProviderInstantiationTest() throws Exception {
        System.err.println(InetAddress.getAllByName(InetAddress.getLocalHost().getHostName()));
        Assert.assertEquals(numberOfGetCalls, 1,
                "InetAddressResolverProvider.get was called more than once");
    }
}