1aa3da1067
Estimate the minimum required size for the misc code region and check if the specified misc code region size meets the minimum size requirement Reviewed-by: jiangli, dholmes
96 lines
3.9 KiB
Java
96 lines
3.9 KiB
Java
/*
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* Copyright (c) 2014, 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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/* @test LimitSharedSizes
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* @summary Test handling of limits on shared space size
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* @library /testlibrary
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* @run main LimitSharedSizes
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*/
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import com.oracle.java.testlibrary.*;
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public class LimitSharedSizes {
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private static class SharedSizeTestData {
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public String optionName;
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public String optionValue;
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public String expectedErrorMsg;
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public SharedSizeTestData(String name, String value, String msg) {
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optionName = name;
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optionValue = value;
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expectedErrorMsg = msg;
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}
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}
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private static final SharedSizeTestData[] testTable = {
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// values in this part of the test table should cause failure
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// (shared space sizes are deliberately too small)
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new SharedSizeTestData("-XX:SharedReadOnlySize", "4M", "read only"),
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new SharedSizeTestData("-XX:SharedReadWriteSize","4M", "read write"),
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// Known issue, JDK-8038422 (assert() on Windows)
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// new SharedSizeTestData("-XX:SharedMiscDataSize", "500k", "miscellaneous data"),
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// Too small of a misc code size should not cause a vm crash.
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// It should result in the following error message:
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// The shared miscellaneous code space is not large enough
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// to preload requested classes. Use -XX:SharedMiscCodeSize=
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// to increase the initial size of shared miscellaneous code space.
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new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k", "miscellaneous code"),
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// these values are larger than default ones, but should
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// be acceptable and not cause failure
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new SharedSizeTestData("-XX:SharedReadOnlySize", "20M", null),
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new SharedSizeTestData("-XX:SharedReadWriteSize", "20M", null),
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new SharedSizeTestData("-XX:SharedMiscDataSize", "20M", null),
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new SharedSizeTestData("-XX:SharedMiscCodeSize", "20M", null)
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};
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public static void main(String[] args) throws Exception {
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String fileName = "test.jsa";
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for (SharedSizeTestData td : testTable) {
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String option = td.optionName + "=" + td.optionValue;
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System.out.println("testing option <" + option + ">");
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:SharedArchiveFile=./" + fileName,
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option,
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"-Xshare:dump");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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if (td.expectedErrorMsg != null) {
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output.shouldContain("The shared " + td.expectedErrorMsg
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+ " space is not large enough");
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output.shouldHaveExitValue(2);
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} else {
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output.shouldNotContain("space is not large enough");
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output.shouldHaveExitValue(0);
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}
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}
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}
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}
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