109 lines
4.6 KiB
Java
109 lines
4.6 KiB
Java
/*
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* Copyright (c) 2015, 2022, 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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import java.lang.management.ManagementFactory;
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import java.lang.management.RuntimeMXBean;
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import java.util.List;
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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 static jdk.test.lib.Asserts.*;
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/*
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* @test
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* @library /test/lib
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* @build jdk.test.lib.Asserts
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* @bug 8042901 8283092
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* @summary Check encapsulation of PlatformMBeanProvider Constructor
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* @modules java.management/sun.management.spi
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* @run main PlatformMBeanProviderConstructorCheck
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*/
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public class PlatformMBeanProviderConstructorCheck {
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/**
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* jtreg invokes this test with module arguments that permit compilation
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* of the MyProvider class, which extends PlatformMBeanProvider.
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* First check we can invoke that class, then re-invoke ourself without
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* those module arguments, and expect a failure calling MyProvider.
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*/
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public static void main(String[] args) throws Exception {
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System.out.println("---PlatformMBeanProviderConstructorCheck:");
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boolean expectedFail = false;
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// Recognise argument to signify we were re-invoked, and MyProvider should fail:
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if (args.length == 1) {
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if (args[0].equals("--nomoduleargs")) {
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expectedFail = true;
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verifyNoModuleArguments();
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} else {
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throw new RuntimeException("unknown argument: '" + args[0] + "'");
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}
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}
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System.out.println("---PlatformMBeanProviderConstructorCheck: invoke MyProvider with expectedFail = " + expectedFail);
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Throwable e = null;
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try {
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new MyProvider();
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} catch (IllegalAccessError iae) {
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System.out.println("---PlatformMBeanProviderConstructorCheck got exception: " + iae);
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e = iae;
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}
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if (!expectedFail) {
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// This was the first invocation, should have worked OK:
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assertNull(e);
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System.out.println("---PlatformMBeanProviderConstructorCheck PASSED (1) (expectedFail = " + expectedFail + ")");
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// Re-invoke this test to check failure:
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System.out.println("---PlatformMBeanProviderConstructorCheck: re-invoke without --add-modules or --add-exports");
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OutputAnalyzer output = ProcessTools.executeTestJava("PlatformMBeanProviderConstructorCheck", "--nomoduleargs");
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output.reportDiagnosticSummary();
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output.shouldContain("java.lang.IllegalAccessError: superclass access check failed:");
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output.shouldContain(" module java.management does not export sun.management.spi to ");
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output.shouldNotContain("MyProvider constructor.");
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} else {
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// This was the re-invocation without module access, should fail:
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assertNotNull(e);
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System.out.println("---PlatformMBeanProviderConstructorCheck PASSED (2) (expectedFail = " + expectedFail + ")");
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}
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}
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private static void verifyNoModuleArguments() {
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RuntimeMXBean mxbean = ManagementFactory.getRuntimeMXBean();
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for (String s : mxbean.getInputArguments()) {
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if (s.startsWith("--add-modules") || s.startsWith("--add-exports")) {
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System.out.println("arg: " + s);
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throw new RuntimeException("argument list contains: " + s);
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}
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}
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}
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private static class MyProvider extends sun.management.spi.PlatformMBeanProvider {
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@Override
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public List<PlatformComponent<?>> getPlatformComponentList() {
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System.out.println("MyProvider constructor.");
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return null;
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}
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}
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}
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