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test/gc/arguments/TestDynMinHeapFreeRatio.java@3b4e1b5c13a0 (annotated)

test/gc/arguments/TestDynMinHeapFreeRatio.java

Thu, 20 Mar 2014 16:31:47 +0100

author

jwilhelm

date

Thu, 20 Mar 2014 16:31:47 +0100

changeset 6400

3b4e1b5c13a0

parent 0

f90c822e73f8

child 6952

e2976043eac3

permissions

-rw-r--r--

8037510: CMM Testing: Min/MaxHeapFreeRatio flags should be manageable through the API
Summary: Added tests for Min/MaxHeapFreeRatio flags
Reviewed-by: jwilhelm, tschatzl
Contributed-by: andrey.x.zakharov@oracle.com

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/**
aoqi@0	25	* @test TestDynMinHeapFreeRatio
aoqi@0	26	* @bug 8028391
aoqi@0	27	* @summary Verify that MinHeapFreeRatio flag is manageable
aoqi@0	28	* @library /testlibrary
aoqi@0	29	* @run main TestDynMinHeapFreeRatio
aoqi@0	30	* @run main/othervm -XX:MinHeapFreeRatio=0 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio
aoqi@0	31	* @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 -XX:-UseAdaptiveSizePolicy TestDynMinHeapFreeRatio
aoqi@0	32	* @run main/othervm -XX:MinHeapFreeRatio=10 -XX:MaxHeapFreeRatio=50 TestDynMinHeapFreeRatio
aoqi@0	33	* @run main/othervm -XX:MinHeapFreeRatio=51 -XX:MaxHeapFreeRatio=52 TestDynMinHeapFreeRatio
aoqi@0	34	* @run main/othervm -XX:MinHeapFreeRatio=75 -XX:MaxHeapFreeRatio=100 TestDynMinHeapFreeRatio
aoqi@0	35	*/
aoqi@0	36	import com.oracle.java.testlibrary.TestDynamicVMOption;
aoqi@0	37	import com.oracle.java.testlibrary.DynamicVMOptionChecker;
aoqi@0	38
aoqi@0	39	public class TestDynMinHeapFreeRatio extends TestDynamicVMOption {
aoqi@0	40
aoqi@0	41	public static final String MinFreeRatioFlagName = "MinHeapFreeRatio";
aoqi@0	42	public static final String MaxFreeRatioFlagName = "MaxHeapFreeRatio";
aoqi@0	43
aoqi@0	44	public TestDynMinHeapFreeRatio() {
aoqi@0	45	super(MinFreeRatioFlagName);
aoqi@0	46	}
aoqi@0	47
aoqi@0	48	public void test() {
aoqi@0	49	int maxHeapFreeValue = DynamicVMOptionChecker.getIntValue(MaxFreeRatioFlagName);
aoqi@0	50	System.out.println(MaxFreeRatioFlagName + " = " + maxHeapFreeValue);
aoqi@0	51
aoqi@0	52	testPercentageValues();
aoqi@0	53
aoqi@0	54	checkInvalidValue(Integer.toString(maxHeapFreeValue + 1));
aoqi@0	55	checkValidValue(Integer.toString(maxHeapFreeValue));
aoqi@0	56	checkValidValue("0");
aoqi@0	57	}
aoqi@0	58
aoqi@0	59	public static void main(String args[]) throws Exception {
aoqi@0	60	new TestDynMinHeapFreeRatio().test();
aoqi@0	61	}
aoqi@0	62	}