a0f4a948bb
8308468: ProblemList containers/docker/TestMemoryAwareness.java on linux-x64 8308470: ProblemList javax/management/remote/mandatory/connection/BrokenConnectionTest.java on linux-all 8308471: ProblemList javax/management/remote/mandatory/loading/MissingClassTest.java on windows-x64 w/ loom 8308472: ProblemList javax/management/remote/mandatory/loading/RMIDownloadTest.java on windows-x64 w/ loom 8308473: ProblemList java/lang/instrument/NativeMethodPrefixAgent.java with loom Reviewed-by: lmesnik
103 lines
4.3 KiB
Java
103 lines
4.3 KiB
Java
/*
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* Copyright (c) 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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* @bug 8297977
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* @summary Test that throwing OOM from reflected method gets InvocationTargetException
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* @run main/othervm/timeout=150 ReflectOutOfMemoryError
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*/
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import java.lang.reflect.*;
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// This test salvaged out of vmTestbase except tests.
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public class ReflectOutOfMemoryError {
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private static volatile Object pool[] = null;
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public static void raiseOutOfMemory() throws OutOfMemoryError {
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try {
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// Repository for objects, which should be allocated:
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int index = 0;
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for (int size = 1 << 30; size > 0 && pool == null; size >>= 1)
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try {
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pool = new Object[size];
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} catch (OutOfMemoryError oome) {
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}
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if (pool == null)
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throw new Error("HS bug: cannot allocate new Object[1]");
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// Sum up time spent, when it was hard to JVM to allocate next object
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// (i.e.: when JVM has spent more than 1 second to allocate new object):
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double totalDelay = 0;
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long timeMark = System.currentTimeMillis();
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for (; index < pool.length; index++) {
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//-------------------------
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pool[index] = new Object();
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long nextTimeMark = System.currentTimeMillis();
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long elapsed = nextTimeMark - timeMark;
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timeMark = nextTimeMark;
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//----------------------
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if (elapsed > 1000) {
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double seconds = elapsed / 1000.0;
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System.out.println(
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"pool[" + index +
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"]=new Object(); // elapsed " + seconds + "s");
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totalDelay += seconds;
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if (totalDelay > 300) {
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System.out.println(
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"Memory allocation became slow: so heap seems exhausted.");
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throw new OutOfMemoryError();
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}
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}
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}
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// This method should never return:
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throw new Error("TEST_BUG: failed to provoke OutOfMemoryError");
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} finally {
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// Make sure there will be enough memory for next object allocation
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pool = null;
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}
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}
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public static void main(java.lang.String[] unused) throws Exception {
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System.out.println("Starting test");
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Class testClass = ReflectOutOfMemoryError.class;
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try {
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Method testMethod = testClass.getMethod("raiseOutOfMemory", new Class [0]);
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Object junk = testMethod.invoke(null, new Object [0]);
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throw new RuntimeException("InvocationTargetException should be thrown");
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} catch (InvocationTargetException ite) {
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Throwable targetException = ite.getTargetException();
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if (targetException instanceof OutOfMemoryError) {
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System.out.println("OutOfMemoryError thrown as expected.");
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System.out.println("Test passed.");
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} else {
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throw new RuntimeException("Unexpected InvocationTargetException: " + targetException);
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}
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} catch (Exception exception) {
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throw new RuntimeException("Unexpected exception: " + exception);
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}
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}
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}
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