1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @ignore JDK-8043896 25 * @test LimitSharedSizes 26 * @summary Test handling of limits on shared space size 27 * @library /testlibrary 28 * @run main LimitSharedSizes 29 */ 30 31 import com.oracle.java.testlibrary.*; 32 33 public class LimitSharedSizes { 34 private static class SharedSizeTestData { 35 public String optionName; 36 public String optionValue; 37 public String expectedErrorMsg; 38 39 public SharedSizeTestData(String name, String value, String msg) { 40 optionName = name; 41 optionValue = value; 42 expectedErrorMsg = msg; 43 } 44 } 45 46 private static final SharedSizeTestData[] testTable = { 47 // values in this part of the test table should cause failure 48 // (shared space sizes are deliberately too small) 49 new SharedSizeTestData("-XX:SharedReadOnlySize", "4M", "read only"), 50 new SharedSizeTestData("-XX:SharedReadWriteSize","4M", "read write"), 51 52 // Known issue, JDK-8038422 (assert() on Windows) 53 // new SharedSizeTestData("-XX:SharedMiscDataSize", "500k", "miscellaneous data"), 54 55 // This will cause a VM crash; commenting out for now; see bug JDK-8038268 56 // @ignore JDK-8038268 57 // new SharedSizeTestData("-XX:SharedMiscCodeSize", "20k", "miscellaneous code"), 58 59 // these values are larger than default ones, but should 60 // be acceptable and not cause failure 61 new SharedSizeTestData("-XX:SharedReadOnlySize", "20M", null), 62 new SharedSizeTestData("-XX:SharedReadWriteSize", "20M", null), 63 new SharedSizeTestData("-XX:SharedMiscDataSize", "20M", null), 64 new SharedSizeTestData("-XX:SharedMiscCodeSize", "20M", null) 65 }; 66 67 public static void main(String[] args) throws Exception { 68 String fileName = "test.jsa"; 69 70 for (SharedSizeTestData td : testTable) { 71 String option = td.optionName + "=" + td.optionValue; 72 System.out.println("testing option <" + option + ">"); 73 74 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 75 "-XX:+UnlockDiagnosticVMOptions", 76 "-XX:SharedArchiveFile=./" + fileName, 77 option, 78 "-Xshare:dump"); 79 80 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 81 82 if (td.expectedErrorMsg != null) { 83 output.shouldContain("The shared " + td.expectedErrorMsg 84 + " space is not large enough"); 85 86 output.shouldHaveExitValue(2); 87 } else { 88 output.shouldNotContain("space is not large enough"); 89 output.shouldHaveExitValue(0); 90 } 91 } 92 } 93 }