--- /dev/null 2020-01-06 09:26:36.005120671 -0800 +++ new/test/hotspot/jtreg/runtime/appcds/cacheObject/DifferentHeapSizes.java 2020-01-24 15:11:57.898419106 -0800 @@ -0,0 +1,100 @@ +/* + * Copyright (c) 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 + * or visit www.oracle.com if you need additional information or have any + * questions. + * + */ + +/* + * @test + * @summary Test automatic relocation of archive heap regions dur to heap size changes. + * @requires vm.cds.archived.java.heap + * @requires (vm.gc=="null") + * @library /test/lib /test/hotspot/jtreg/runtime/appcds + * @modules jdk.jartool/sun.tools.jar + * @compile ../test-classes/Hello.java + * @build sun.hotspot.WhiteBox + * @run driver ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. DifferentHeapSizes + */ + +import jdk.test.lib.process.OutputAnalyzer; +import sun.hotspot.WhiteBox; +import jdk.test.lib.cds.CDSTestUtils; + +public class DifferentHeapSizes { + static class Scenario { + int dumpSize; // in MB + int runSizes[]; // in MB + Scenario(int ds, int... rs) { + dumpSize = ds; + runSizes = rs; + } + } + + static Scenario[] scenarios = { + // dump -Xmx , run -Xmx + new Scenario( 32, 32, 64, 512, 2048, 4097, 16374, 31000), + new Scenario( 128, 32, 64, 512, 2048, 4097, 16374, 31000, 40000), + new Scenario( 2048, 32, 512, 2600, 4097, 8500, 31000, 40000), + new Scenario( 17000, 32, 512, 2048, 4097, 8500, 31000, 40000), + new Scenario( 31000, 32, 512, 2048, 4097, 8500, 17000, 40000) + }; + + public static void main(String[] args) throws Exception { + String dedup = "-XX:+UseStringDeduplication"; // This increases code coverage. + JarBuilder.getOrCreateHelloJar(); + String appJar = TestCommon.getTestJar("hello.jar"); + String appClasses[] = TestCommon.list("Hello"); + + for (Scenario s : scenarios) { + String dumpXmx = "-Xmx" + s.dumpSize + "m"; + OutputAnalyzer output = TestCommon.dump(appJar, appClasses, dumpXmx); + + for (int runSize : s.runSizes) { + String runXmx = "-Xmx" + runSize + "m"; + CDSTestUtils.Result result = TestCommon.run("-cp", appJar, "-showversion", + "-Xlog:cds", runXmx, dedup, "Hello"); + if (runSize < 32768) { + result + .assertNormalExit("Hello World") + .assertNormalExit(out -> { + out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP); + out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE); + }); + } else { + result.assertAbnormalExit("Unable to use shared archive: UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces."); + } + } + } + String flag = "HeapBaseMinAddress"; + String xxflag = "-XX:" + flag + "="; + String mx = "-Xmx128m"; + long base = WhiteBox.getWhiteBox().getSizeTVMFlag(flag).longValue(); + + TestCommon.dump(appJar, appClasses, mx, xxflag + base); + TestCommon.run("-cp", appJar, "-showversion", "-Xlog:cds", mx, xxflag + (base + 256 * 1024 * 1024), dedup, "Hello") + .assertNormalExit("Hello World") + .assertNormalExit(out -> { + out.shouldNotContain(CDSTestUtils.MSG_RANGE_NOT_WITHIN_HEAP); + out.shouldNotContain(CDSTestUtils.MSG_RANGE_ALREADT_IN_USE); + }); + } +}