/* * 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). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions.
*/
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=32m -XX:MaxRAM=555m 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=32m). This will fail without the fix for 8013791.
*/ publicclass TestRegionAlignment { publicstaticvoid main(String[] args) { }
}
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