79 lines
3.6 KiB
Java
79 lines
3.6 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc.arguments;
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/*
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* @test TestSoftMaxHeapSizeFlag
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* @key gc
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* @run main/othervm gc.arguments.TestSoftMaxHeapSizeFlag
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*/
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import jdk.test.lib.process.ProcessTools;
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public class TestSoftMaxHeapSizeFlag {
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private static final long Xms = 200 * 1024 * 1024;
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private static final long Xmx = 300 * 1024 * 1024;
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private static final long greaterThanXmx = Xmx + 1;
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private static final long betweenXmsAndXmx = (Xms + Xmx) / 2;
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public static void main(String args[]) throws Exception {
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// Test default value
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ProcessTools.executeTestJvm(new String[]{ "-Xms" + Xms, "-Xmx" + Xmx,
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"-XX:+PrintFlagsFinal", "-version" })
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.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xmx)
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.shouldHaveExitValue(0);
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// Test setting small value
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ProcessTools.executeTestJvm(new String[]{ "-Xms" + Xms, "-Xmx" + Xmx,
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"-XX:SoftMaxHeapSize=" + Xms,
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"-XX:+PrintFlagsFinal", "-version" })
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.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xms)
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.shouldHaveExitValue(0);
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// Test setting middle value
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ProcessTools.executeTestJvm(new String[]{ "-Xms" + Xms, "-Xmx" + Xmx,
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"-XX:SoftMaxHeapSize=" + betweenXmsAndXmx,
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"-XX:+PrintFlagsFinal", "-version" })
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.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + betweenXmsAndXmx)
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.shouldHaveExitValue(0);
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// Test setting largest value
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ProcessTools.executeTestJvm(new String[]{ "-Xms" + Xms, "-Xmx" + Xmx,
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"-XX:SoftMaxHeapSize=" + Xmx,
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"-XX:+PrintFlagsFinal", "-version" })
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.shouldMatch("SoftMaxHeapSize[ ]+=[ ]+" + Xmx)
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.shouldHaveExitValue(0);
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// Test setting a too large value
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ProcessTools.executeTestJvm(new String[]{ "-Xms" + Xms, "-Xmx" + Xmx,
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"-XX:SoftMaxHeapSize=" + greaterThanXmx,
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"-XX:+PrintFlagsFinal", "-version" })
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.shouldContain("SoftMaxHeapSize must be less than or equal to the maximum heap size")
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.shouldHaveExitValue(1);
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}
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}
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