/* * Copyright (c) 2020, 2026, 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 id=COH * @bug 8232069 * @requires vm.cds * @requires vm.bits == 64 * @requires vm.gc.Z * @requires vm.gc.Serial * @requires vm.gc == null * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @compile test-classes/Hello.java * @comment Only run if COH is unset or enabled. * @requires vm.opt.UseCompactObjectHeaders != "false" * @comment Driver sets compressed oops/class pointers, jtreg overrides will cause problems. Only run the test if the flags are not set via the command line. * @requires vm.opt.UseCompressedOops == null * @run driver TestZGCWithCDS true */ /* * @test id=NO-COH * @bug 8232069 * @requires vm.cds * @requires vm.bits == 64 * @requires vm.gc.Z * @requires vm.gc.Serial * @requires vm.gc == null * @library /test/lib /test/hotspot/jtreg/runtime/cds/appcds * @compile test-classes/Hello.java * @comment Only run if COH is unset or disabled. * @requires vm.opt.UseCompactObjectHeaders != "true" * @comment Driver sets compressed oops/class pointers, jtreg overrides will cause problems. Only run the test if the flags are not set via the command line. * @requires vm.opt.UseCompressedOops == null * @run driver TestZGCWithCDS false */ import jdk.test.lib.Platform; import jdk.test.lib.process.OutputAnalyzer; public class TestZGCWithCDS { public final static String HELLO = "Hello World"; public final static String UNABLE_TO_USE_ARCHIVE = "Unable to use shared archive."; public final static String ERR_MSG = "The saved state of UseCompressedOops (0) is different from runtime (1), CDS will be disabled."; public static void main(String... args) throws Exception { boolean compactHeadersOn = Boolean.valueOf(args[0]); String compactHeaders = "-XX:" + (compactHeadersOn ? "+" : "-") + "UseCompactObjectHeaders"; String helloJar = JarBuilder.build("hello", "Hello"); System.out.println("0. Dump with ZGC"); OutputAnalyzer out = TestCommon .dump(helloJar, new String[] {"Hello"}, "-XX:+UseZGC", compactHeaders, "-Xlog:cds"); out.shouldContain("Dumping shared data to file:"); out.shouldHaveExitValue(0); System.out.println("Run with same args of dump"); out = TestCommon .exec(helloJar, "-XX:+UseZGC", compactHeaders, "-Xlog:cds", "Hello"); out.shouldContain(HELLO); out.shouldHaveExitValue(0); System.out.println("Run with ZGC, +UseCompressedOops"); out = TestCommon .exec(helloJar, "-XX:-UseZGC", "-XX:+UseCompressedOops", // in case turned off by vmoptions compactHeaders, "-Xlog:cds", "Hello"); out.shouldContain(UNABLE_TO_USE_ARCHIVE); out.shouldContain(ERR_MSG); out.shouldHaveExitValue(1); System.out.println("Run with SerialGC, -UseCompressedOops"); out = TestCommon .exec(helloJar, "-XX:+UseSerialGC", "-XX:-UseCompressedOops", compactHeaders, "-Xlog:cds", "Hello"); out.shouldContain(HELLO); out.shouldHaveExitValue(0); System.out.println("Run with SerialGC, +UseCompressedOops"); out = TestCommon .exec(helloJar, "-XX:+UseSerialGC", "-XX:+UseCompressedOops", compactHeaders, "-Xlog:cds", "Hello"); out.shouldContain(UNABLE_TO_USE_ARCHIVE); out.shouldContain(ERR_MSG); out.shouldHaveExitValue(1); } }