102 lines
3.8 KiB
Java
102 lines
3.8 KiB
Java
/*
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* Copyright (c) 2018, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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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* @test
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* @summary Verifies the creation and cleaup of entries in the Protection Domain Table
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* @requires vm.flagless
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run driver CleanProtectionDomain
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*/
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import java.security.ProtectionDomain;
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import jdk.test.lib.compiler.InMemoryJavaCompiler;
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import jdk.internal.misc.Unsafe;
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import static jdk.test.lib.Asserts.*;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.whitebox.WhiteBox;
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public class CleanProtectionDomain {
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public static void main(String args[]) throws Exception {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Xlog:protectiondomain+table=debug",
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"--add-exports=java.base/jdk.internal.misc=ALL-UNNAMED",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+WhiteBoxAPI",
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"-Xbootclasspath/a:.",
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"-Djava.security.manager=allow",
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Test.class.getName());
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldContain("protection domain added");
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output.shouldContain("protection domain unlinked");
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output.shouldHaveExitValue(0);
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}
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static class Test {
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public static void test() throws Exception {
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TestClassLoader classloader = new TestClassLoader();
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ProtectionDomain pd = new ProtectionDomain(null, null);
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byte klassbuf[] = InMemoryJavaCompiler.compile("TestClass", "class TestClass { }");
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Class<?> klass = classloader.defineClass("TestClass", klassbuf, pd);
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}
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public static void main(String[] args) throws Exception {
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WhiteBox wb = WhiteBox.getWhiteBox();
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int removedCountOrig = wb.protectionDomainRemovedCount();
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int removedCount;
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test();
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// Wait until ServiceThread cleans ProtectionDomain table.
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// When the TestClassLoader is unloaded by GC, at least one
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// ProtectionDomainCacheEntry will be eligible for removal.
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int cnt = 0;
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while (true) {
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if (cnt++ % 30 == 0) {
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System.gc();
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}
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removedCount = wb.protectionDomainRemovedCount();
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if (removedCountOrig != removedCount) {
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break;
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}
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Thread.sleep(100);
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}
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}
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private static class TestClassLoader extends ClassLoader {
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public TestClassLoader() {
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super();
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}
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public Class<?> defineClass(String name, byte[] bytes, ProtectionDomain pd) {
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return defineClass(name, bytes, 0, bytes.length, pd);
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}
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}
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}
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}
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