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test/hotspot/jtreg/vmTestbase/gc/gctests/JumbleGC/JumbleGC.java

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rev 59094 : imported patch randomness-keyword_vmTestbase_gc
rev 59095 : imported patch 8243430.00
   1 /*
   2  * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @key stress gc
  27  *
  28  * @summary converted from VM Testbase gc/gctests/JumbleGC.
  29  * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
  30  * VM Testbase readme:
  31  * A vector of 10 elements is filled up with references to
  32  * CicrcularLinkedList and Binary Trees of 0.1 Meg. Once this
  33  * entire structure has been built, all elements in the Vecor are set to null
  34  * creating 1Meg of garbage. The Vector is repopulated once again.
  35  * With ineffective garbage collection, the heap will soon fill up.
  36  * If an OutofMemoryError is thrown, the test fails.
  37  *
  38  * @library /vmTestbase
  39  *          /test/lib
  40  * @run driver jdk.test.lib.FileInstaller . .
  41  * @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.JumbleGC.JumbleGC
  42  */
  43 
  44 package gc.gctests.JumbleGC;
  45 
  46 import nsk.share.test.*;


   1 /*
   2  * Copyright (c) 2002, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @key stress gc randomness
  27  *
  28  * @summary converted from VM Testbase gc/gctests/JumbleGC.
  29  * VM Testbase keywords: [gc, stress, stressopt, nonconcurrent]
  30  * VM Testbase readme:
  31  * A vector of 10 elements is filled up with references to
  32  * CicrcularLinkedList and Binary Trees of 0.1 Meg. Once this
  33  * entire structure has been built, all elements in the Vecor are set to null
  34  * creating 1Meg of garbage. The Vector is repopulated once again.
  35  * With ineffective garbage collection, the heap will soon fill up.
  36  * If an OutofMemoryError is thrown, the test fails.
  37  *
  38  * @library /vmTestbase
  39  *          /test/lib
  40  * @run driver jdk.test.lib.FileInstaller . .
  41  * @run main/othervm -XX:-UseGCOverheadLimit gc.gctests.JumbleGC.JumbleGC
  42  */
  43 
  44 package gc.gctests.JumbleGC;
  45 
  46 import nsk.share.test.*;


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