1 /* 2 * Copyright (c) 2020, 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 package gc.z; 25 26 /* 27 * @test TestAllocateHeapAt 28 * @requires vm.gc.Z & os.family == "linux" & !vm.graal.enabled 29 * @summary Test ZGC with -XX:AllocateHeapAt 30 * @library /test/lib 31 * @run main/othervm gc.z.TestAllocateHeapAt . true 32 * @run main/othervm gc.z.TestAllocateHeapAt non-existing-directory false 33 */ 34 35 import jdk.test.lib.process.ProcessTools; 36 37 public class TestAllocateHeapAt { 38 public static void main(String[] args) throws Exception { 39 final String directory = args[0]; 40 final boolean exists = Boolean.parseBoolean(args[1]); 41 final String backingFile = "Backing File: " + directory; 42 final String failedToCreateFile = "Failed to create file " + directory; 43 44 ProcessTools.executeProcess(ProcessTools.createJavaProcessBuilder(new String[] { 45 "-XX:+UnlockExperimentalVMOptions", 46 "-XX:+UseZGC", 47 "-Xlog:gc*", 48 "-Xms32M", 49 "-Xmx32M", 50 "-XX:AllocateHeapAt=" + directory, 51 "-version" })) 52 .shouldContain(exists ? backingFile : failedToCreateFile) 53 .shouldNotContain(exists ? failedToCreateFile : backingFile) 54 .shouldHaveExitValue(exists ? 0 : 1); 55 } 56 }