2004
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1 /*
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2 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 /**
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26 * @test
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27 * @bug 7002666
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28 * @summary eclipse CDT projects crash with compressed oops
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29 *
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30 * @run main/othervm -Xbatch -XX:CompileOnly=Test7002666.test,java/lang/reflect/Array Test7002666
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31 *
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32 * This will only reliably fail with a fastdebug build since it relies
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33 * on seeing garbage in the heap to die. It could be made more
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34 * reliable in product mode but that would require greatly increasing
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35 * the runtime.
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36 */
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37
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38 public class Test7002666 {
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39 public static void main(String[] args) {
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40 for (int i = 0; i < 25000; i++) {
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41 Object[] a = test(Test7002666.class, new Test7002666());
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42 if (a[0] != null) {
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43 // The element should be null but if it's not then
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44 // we've hit the bug. This will most likely crash but
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45 // at least throw an exception.
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46 System.err.println(a[0]);
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47 throw new InternalError(a[0].toString());
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48
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49 }
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50 }
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51 }
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52 public static Object[] test(Class c, Object o) {
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53 // allocate an array small enough to be trigger the bug
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54 Object[] a = (Object[])java.lang.reflect.Array.newInstance(c, 1);
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55 return a;
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56 }
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57 }
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