--- old/test/gc/class_unloading/TestG1ClassUnloadingEnabledHWM.java 2014-08-05 10:04:50.056562454 +0200 +++ /dev/null 2014-08-04 09:47:04.384576507 +0200 @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2014, 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 - * @key gc - * @bug 8049831 - * @library /testlibrary /testlibrary/whitebox - * @build TestG1ClassUnloadingEnabledHWM AllocateBeyondMetaspaceSize - * @run main ClassFileInstaller sun.hotspot.WhiteBox - * @run driver TestG1ClassUnloadingEnabledHWM - * @summary Test that -XX:-G1ClassUnloadingEnabled will trigger a Full GC when more than MetaspaceSize metadata is allocated. - */ - -import com.oracle.java.testlibrary.OutputAnalyzer; -import com.oracle.java.testlibrary.ProcessTools; - -import java.util.ArrayList; -import java.util.Arrays; - -public class TestG1ClassUnloadingEnabledHWM { - private static long MetaspaceSize = 32 * 1024 * 1024; - private static long YoungGenSize = 32 * 1024 * 1024; - - private static OutputAnalyzer run(boolean enableUnloading) throws Exception { - ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( - "-Xbootclasspath/a:.", - "-XX:+WhiteBoxAPI", - "-XX:MetaspaceSize=" + MetaspaceSize, - "-Xmn" + YoungGenSize, - "-XX:+UseG1GC", - "-XX:" + (enableUnloading ? "+" : "-") + "G1ClassUnloadingEnabled", - "-XX:+PrintHeapAtGC", - "-XX:+PrintGCDetails", - "AllocateBeyondMetaspaceSize", - "" + MetaspaceSize, - "" + YoungGenSize); - return new OutputAnalyzer(pb.start()); - } - - public static OutputAnalyzer runWithG1ClassUnloading() throws Exception { - return run(true); - } - - public static OutputAnalyzer runWithoutG1ClassUnloading() throws Exception { - return run(false); - } - - public static void testWithoutG1ClassUnloading() throws Exception { - // -XX:-G1ClassUnloadingEnabled is used, so we expect a full GC instead of a concurrent cycle. - OutputAnalyzer out = runWithoutG1ClassUnloading(); - - out.shouldMatch(".*Full GC.*"); - out.shouldNotMatch(".*initial-mark.*"); - } - - public static void testWithG1ClassUnloading() throws Exception { - // -XX:+G1ClassUnloadingEnabled is used, so we expect a concurrent cycle instead of a full GC. - OutputAnalyzer out = runWithG1ClassUnloading(); - - out.shouldMatch(".*initial-mark.*"); - out.shouldNotMatch(".*Full GC.*"); - } - - public static void main(String args[]) throws Exception { - testWithG1ClassUnloading(); - testWithoutG1ClassUnloading(); - } -} - --- /dev/null 2014-08-04 09:47:04.384576507 +0200 +++ new/test/gc/class_unloading/TestG1ClassUnloadingHWM.java 2014-08-05 10:04:49.860562462 +0200 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2014, 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 + * @key gc + * @bug 8049831 + * @library /testlibrary /testlibrary/whitebox + * @build TestG1ClassUnloadingHWM AllocateBeyondMetaspaceSize + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * @run driver TestG1ClassUnloadingHWM + * @summary Test that -XX:-ClassUnloadingWithConcurrentMark will trigger a Full GC when more than MetaspaceSize metadata is allocated. + */ + +import com.oracle.java.testlibrary.OutputAnalyzer; +import com.oracle.java.testlibrary.ProcessTools; + +import java.util.ArrayList; +import java.util.Arrays; + +public class TestG1ClassUnloadingHWM { + private static long MetaspaceSize = 32 * 1024 * 1024; + private static long YoungGenSize = 32 * 1024 * 1024; + + private static OutputAnalyzer run(boolean enableUnloading) throws Exception { + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( + "-Xbootclasspath/a:.", + "-XX:+WhiteBoxAPI", + "-XX:MetaspaceSize=" + MetaspaceSize, + "-Xmn" + YoungGenSize, + "-XX:+UseG1GC", + "-XX:" + (enableUnloading ? "+" : "-") + "ClassUnloadingWithConcurrentMark", + "-XX:+PrintHeapAtGC", + "-XX:+PrintGCDetails", + "AllocateBeyondMetaspaceSize", + "" + MetaspaceSize, + "" + YoungGenSize); + return new OutputAnalyzer(pb.start()); + } + + public static OutputAnalyzer runWithG1ClassUnloading() throws Exception { + return run(true); + } + + public static OutputAnalyzer runWithoutG1ClassUnloading() throws Exception { + return run(false); + } + + public static void testWithoutG1ClassUnloading() throws Exception { + // -XX:-ClassUnloadingWithConcurrentMark is used, so we expect a full GC instead of a concurrent cycle. + OutputAnalyzer out = runWithoutG1ClassUnloading(); + + out.shouldMatch(".*Full GC.*"); + out.shouldNotMatch(".*initial-mark.*"); + } + + public static void testWithG1ClassUnloading() throws Exception { + // -XX:+ClassUnloadingWithConcurrentMark is used, so we expect a concurrent cycle instead of a full GC. + OutputAnalyzer out = runWithG1ClassUnloading(); + + out.shouldMatch(".*initial-mark.*"); + out.shouldNotMatch(".*Full GC.*"); + } + + public static void main(String args[]) throws Exception { + testWithG1ClassUnloading(); + testWithoutG1ClassUnloading(); + } +} +