/*
* Copyright ( c ) 2013 , 2019 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
package gc.g1;
/*
* @ test TestRegionAlignment . java
* @ bug 8013791
* @ requires vm . gc . G1
* @ summary Make sure that G1 ergonomics pick a heap size that is aligned with the region size
* @ run main / othervm - XX : + UseG1GC - XX : G1HeapRegionSize = 32 m - XX : MaxRAM = 555 m gc . g1 . TestRegionAlignment
*
* When G1 ergonomically picks a maximum heap size it must be aligned to the region size .
* This test tries to get the VM to pick a small and unaligned heap size ( by using MaxRAM = 555 ) and a
* large region size ( by using - XX : G1HeapRegionSize = 32 m ) . This will fail without the fix for 8013791 .
*/
public class TestRegionAlignment {
public static void main(String[] args) { }
}
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