--- /dev/null 2017-10-09 17:27:46.152969745 -0700 +++ new/test/hotspot/jtreg/gc/TestAllocateHeapAt.java 2017-11-03 14:47:03.974113462 -0700 @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2017, 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. + */ + +/* @test TestAllocateHeapAt.java + * @key gc + * @summary Test to check allocation of Java Heap with AllocateHeapAt option + * @library /test/lib + * @modules java.base/jdk.internal.misc + */ + +import jdk.test.lib.JDKToolFinder; +import jdk.test.lib.process.ProcessTools; +import jdk.test.lib.process.OutputAnalyzer; +import java.util.ArrayList; +import java.util.Collections; + +public class TestAllocateHeapAt { + public static void main(String args[]) throws Exception { + ArrayList vmOpts = new ArrayList(); + + String testVmOptsStr = System.getProperty("test.java.opts"); + if (!testVmOptsStr.isEmpty()) { + String[] testVmOpts = testVmOptsStr.split(" "); + Collections.addAll(vmOpts, testVmOpts); + } + String test_dir = System.getProperty("test.dir", "."); + Collections.addAll(vmOpts, new String[] {"-XX:AllocateHeapAt=" + test_dir, + "-Xlog:gc+heap=info", + "-Xmx32m", + "-Xms32m", + "-version"}); + + System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java")); + for (int i = 0; i < vmOpts.size(); i += 1) { + System.out.print(" " + vmOpts.get(i)); + } + System.out.println(); + + ProcessBuilder pb = + ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()])); + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + + System.out.println("Output:\n" + output.getOutput()); + + output.shouldContain("Successfully allocated Java heap at location"); + output.shouldHaveExitValue(0); + } +}