109 lines
4.0 KiB
Java
109 lines
4.0 KiB
Java
/*
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* Copyright (c) 2018, Red Hat, Inc. All rights reserved.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test TestClassUnloadingArguments
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* @summary Test that loop mining arguments are sane
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* @key gc
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* @requires vm.gc.Shenandoah & !vm.graal.enabled
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* @library /test/lib
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* @run driver TestClassUnloadingArguments
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*/
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import java.util.*;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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public class TestClassUnloadingArguments {
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public static void testWith(String msg, boolean cu, boolean cuConc, String... args) throws Exception {
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String[] cmds = Arrays.copyOf(args, args.length + 2);
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cmds[args.length] = "-XX:+PrintFlagsFinal";
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cmds[args.length + 1] = "-version";
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(cmds);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.shouldContain("ClassUnloading");
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output.shouldContain("ClassUnloadingWithConcurrentMark");
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Asserts.assertEQ(output.firstMatch("(.+?) ClassUnloading.+?= (.+?) (.+?)", 2),
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Boolean.toString(cu),
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msg + ", but got wrong ClassUnloading");
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Asserts.assertEQ(output.firstMatch("(.+?) ClassUnloadingWithConcurrentMark.+?= (.+?) (.+?)", 2),
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Boolean.toString(cuConc),
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msg + ", but got wrong ClassUnloadingWithConcurrentMark");
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}
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public static void main(String[] args) throws Exception {
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testDefaultGC();
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testShenandoah();
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}
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public static void testDefaultGC() throws Exception {
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testWith("Default GC should have class unloading enabled",
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true, true);
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testWith("Default GC should disable everything",
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false, false,
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"-XX:-ClassUnloading");
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testWith("Default GC should disable conc unload",
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true, false,
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"-XX:-ClassUnloadingWithConcurrentMark");
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testWith("Default GC should not let conc unload to be enabled separately",
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false, false,
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"-XX:-ClassUnloading",
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"-XX:+ClassUnloadingWithConcurrentMark");
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}
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public static void testShenandoah() throws Exception {
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testWith("Shenandoah GC should have class unloading enabled",
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true, false,
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC");
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testWith("Shenandoah GC should disable everything",
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false, false,
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:-ClassUnloading");
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testWith("Shenandoah GC should enable conc unload",
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true, true,
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:+ClassUnloadingWithConcurrentMark");
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testWith("Shenandoah GC should not let conc unload to be enabled separately",
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false, false,
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"-XX:+UnlockExperimentalVMOptions",
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"-XX:+UseShenandoahGC",
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"-XX:-ClassUnloading",
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"-XX:+ClassUnloadingWithConcurrentMark");
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}
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}
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