109 lines
4.0 KiB
Java
109 lines
4.0 KiB
Java
/*
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* Copyright (c) 2021, 2022, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2021, BELLSOFT. 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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* LoadLibraryUnloadTest ensures all objects (NativeLibrary) are deallocated
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* when loaded in concurrent mode.
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*/
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/*
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* @test
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* @bug 8266310 8289919 8293282
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* @summary Checks that JNI_OnLoad is invoked only once when multiple threads
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* call System.loadLibrary concurrently, and JNI_OnUnload is invoked
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* when the native library is loaded from a custom class loader.
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* @library /test/lib
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* @build LoadLibraryUnload p.Class1
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* @run main/othervm/native LoadLibraryUnloadTest
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.process.OutputAnalyzer;
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import java.lang.ProcessBuilder;
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import java.lang.Process;
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import java.io.File;
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import java.util.*;
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public class LoadLibraryUnloadTest {
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private static String testClassPath = System.getProperty("test.classes");
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private static String testLibraryPath = System.getProperty("test.nativepath");
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private static Process runJavaCommand(String... command) throws Throwable {
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String java = JDKToolFinder.getJDKTool("java");
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List<String> commands = new ArrayList<>();
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Collections.addAll(commands, java);
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Collections.addAll(commands, command);
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System.out.println("COMMAND: " + String.join(" ", commands));
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return new ProcessBuilder(commands.toArray(new String[0]))
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.redirectErrorStream(true)
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.directory(new File(testClassPath))
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.start();
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}
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private final static long countLines(OutputAnalyzer output, String string) {
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return output.asLines()
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.stream()
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.filter(s -> s.contains(string))
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.count();
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}
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private final static void dump(OutputAnalyzer output) {
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output.asLines()
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.stream()
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.forEach(s -> System.out.println(s));
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}
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public static void main(String[] args) throws Throwable {
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Process process = runJavaCommand(
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"-Dtest.classes=" + testClassPath,
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"-Djava.library.path=" + testLibraryPath,
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"LoadLibraryUnload");
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OutputAnalyzer outputAnalyzer = new OutputAnalyzer(process);
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dump(outputAnalyzer);
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Asserts.assertTrue(
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countLines(outputAnalyzer, "Native library loaded from Class1.") == 2,
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"Native library expected to be loaded in 2 threads.");
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long refCount = countLines(outputAnalyzer, "Native library loaded.");
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Asserts.assertTrue(refCount > 0, "Failed to load native library.");
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System.out.println("Native library loaded in " + refCount + " threads");
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Asserts.assertTrue(refCount == 1, "Native library is loaded more than once.");
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Asserts.assertTrue(
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countLines(outputAnalyzer, "Native library unloaded.") == refCount,
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"Failed to unload native library");
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Asserts.assertEquals(0, outputAnalyzer.getExitValue(),
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"LoadLibraryUnload exit value not zero");
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}
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}
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