--- /dev/null 2015-07-27 10:42:09.070650165 -0700 +++ new/test/runtime/SharedArchiveFile/SharedStrings.java 2015-07-28 10:26:34.243240360 -0700 @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2015, 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 Check to make sure that shared strings in the bootstrap CDS archive + * are actually shared + * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows + * @requires (sun.arch.data.model != "32") & (os.family != "windows") + * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true) + * @requires (vm.gc=="G1" | vm.gc=="null") + * @library /testlibrary /../../test/lib + * @modules java.base/sun.misc + * java.management + * @build SharedStringsWb SharedStrings BasicJarBuilder + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run main SharedStrings + */ + +import jdk.test.lib.*; + +public class SharedStrings { + public static void main(String[] args) throws Exception { + BasicJarBuilder.build("whitebox", "sun/hotspot/WhiteBox"); + + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./test.jsa", + "-XX:+PrintSharedSpaces", + // Needed for bootclasspath match, for CDS to work with WhiteBox API + "-Xbootclasspath/a:" + BasicJarBuilder.getTestJar("whitebox.jar"), + "-Xshare:dump"); + + (new OutputAnalyzer(pb.start())) + .shouldContain("Loading classes to share") + .shouldContain("Shared string table stats") + .shouldHaveExitValue(0); + + pb = ProcessTools.createJavaProcessBuilder( + "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./test.jsa", + // these are required modes for shared strings + "-XX:+UseCompressedOops", "-XX:+UseG1GC", + // needed for access to white box test API + "-Xbootclasspath/a:" + BasicJarBuilder.getTestJar("whitebox.jar"), + "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", + "-Xshare:on", "-showversion", "SharedStringsWb"); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + + try { + output.shouldContain("sharing"); + output.shouldHaveExitValue(0); + } catch (RuntimeException e) { + output.shouldContain("Unable to use shared archive"); + output.shouldHaveExitValue(1); + } + } +}