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