79 lines
3.5 KiB
Java
79 lines
3.5 KiB
Java
/*
|
|
* Copyright (c) 2019, 2020, 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.arguments;
|
|
|
|
/*
|
|
* @test TestSoftMaxHeapSizeFlag
|
|
* @library /test/lib
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.management
|
|
* @run driver gc.arguments.TestSoftMaxHeapSizeFlag
|
|
*/
|
|
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
public class TestSoftMaxHeapSizeFlag {
|
|
// Note: Xms and Xmx values get aligned up by HeapAlignment which is 32M with 64k pages.
|
|
private static final long Xms = 224 * 1024 * 1024;
|
|
private static final long Xmx = 320 * 1024 * 1024;
|
|
private static final long greaterThanXmx = Xmx + 1;
|
|
private static final long betweenXmsAndXmx = (Xms + Xmx) / 2;
|
|
|
|
public static void main(String args[]) throws Exception {
|
|
// Test default value
|
|
ProcessTools.executeTestJava("-Xms" + Xms, "-Xmx" + Xmx,
|
|
"-XX:+PrintFlagsFinal", "-version")
|
|
.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xmx)
|
|
.shouldHaveExitValue(0);
|
|
|
|
// Test setting small value
|
|
ProcessTools.executeTestJava("-Xms" + Xms, "-Xmx" + Xmx,
|
|
"-XX:SoftMaxHeapSize=" + Xms,
|
|
"-XX:+PrintFlagsFinal", "-version")
|
|
.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xms)
|
|
.shouldHaveExitValue(0);
|
|
|
|
// Test setting middle value
|
|
ProcessTools.executeTestJava("-Xms" + Xms, "-Xmx" + Xmx,
|
|
"-XX:SoftMaxHeapSize=" + betweenXmsAndXmx,
|
|
"-XX:+PrintFlagsFinal", "-version")
|
|
.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + betweenXmsAndXmx)
|
|
.shouldHaveExitValue(0);
|
|
|
|
// Test setting largest value
|
|
ProcessTools.executeTestJava("-Xms" + Xms, "-Xmx" + Xmx,
|
|
"-XX:SoftMaxHeapSize=" + Xmx,
|
|
"-XX:+PrintFlagsFinal", "-version")
|
|
.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xmx)
|
|
.shouldHaveExitValue(0);
|
|
|
|
// Test setting a too large value
|
|
ProcessTools.executeTestJava("-Xms" + Xms, "-Xmx" + Xmx,
|
|
"-XX:SoftMaxHeapSize=" + greaterThanXmx,
|
|
"-XX:+PrintFlagsFinal", "-version")
|
|
.shouldContain("SoftMaxHeapSize must be less than or equal to the maximum heap size")
|
|
.shouldHaveExitValue(1);
|
|
}
|
|
}
|