1 /* 2 * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.net.InetAddress; 25 26 import org.testng.Assert; 27 import org.testng.annotations.Test; 28 29 import static impl.WithBootstrapResolverUsageProvider.numberOfGetCalls; 30 31 /** 32 * @test 33 * @summary Test that InetAddress class properly avoids stack-overflow by 34 * correctly tracking the bootstrap resolver instance when 35 * InetAddressResolverProvider.get method uses InetAddress lookup API. 36 * @library providers/bootstrapUsage 37 * @build bootstrap.usage.provider/impl.WithBootstrapResolverUsageProvider 38 * @run testng/othervm BootstrapResolverUsageTest 39 */ 40 41 public class BootstrapResolverUsageTest { 42 43 @Test 44 public void testSuccessfulProviderInstantiationTest() throws Exception { 45 System.err.println(InetAddress.getAllByName(InetAddress.getLocalHost().getHostName())); 46 Assert.assertEquals(numberOfGetCalls, 1, 47 "InetAddressResolverProvider.get was called more than once"); 48 } 49 }