1 /* 2 * Copyright (c) 2015, 2018, 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 25 // NOTE: the test takes a long time for each VM option combination, so we split 26 // it into 3 @test parts, so that they can be executed in parallel. If you make a 27 // change, please ensure all @test blocks are in sync. 28 29 30 /* 31 * @test 32 * @summary Test options that are incompatible with use of shared strings 33 * Also test mismatch in oops encoding between dump time and run time 34 * @requires vm.cds.archived.java.heap 35 * @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set 36 * via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed 37 * vm options. 38 * @requires (vm.gc=="null") 39 * @library /test/lib /test/hotspot/jtreg/runtime/cds 40 * @modules jdk.jartool/sun.tools.jar 41 * @build sun.hotspot.WhiteBox 42 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 43 * @build HelloString 44 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 0 45 */ 46 47 48 /* 49 * @test 50 * @requires vm.cds.archived.java.heap 51 * @requires (vm.gc=="null") 52 * @library /test/lib /test/hotspot/jtreg/runtime/cds 53 * @modules jdk.jartool/sun.tools.jar 54 * @build sun.hotspot.WhiteBox 55 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 56 * @build HelloString 57 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 1 58 */ 59 60 /* 61 * @test 62 * @requires vm.cds.archived.java.heap 63 * @requires (vm.gc=="null") 64 * @library /test/lib /test/hotspot/jtreg/runtime/cds 65 * @modules jdk.jartool/sun.tools.jar 66 * @build sun.hotspot.WhiteBox 67 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 68 * @build HelloString 69 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions 2 70 */ 71 72 73 import jdk.test.lib.Asserts; 74 import jdk.test.lib.Platform; 75 import jdk.test.lib.process.OutputAnalyzer; 76 77 import sun.hotspot.code.Compiler; 78 import sun.hotspot.gc.GC; 79 80 public class IncompatibleOptions { 81 static final String COOPS_DUMP_WARNING = 82 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off"; 83 static final String COOPS_EXEC_WARNING = 84 "UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces"; 85 static final String GC_WARNING = 86 "Archived java heap is not supported"; 87 static final String OBJ_ALIGNMENT_MISMATCH = 88 "The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of"; 89 static final String COMPACT_STRING_MISMATCH = 90 "The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting"; 91 92 static String appJar; 93 static String[] vmOptionsPrefix = {}; 94 95 public static void main(String[] args) throws Exception { 96 String[] noargs = {}; 97 SharedStringsUtils.run(Integer.parseInt(args[0]), 3, noargs, IncompatibleOptions::test); 98 // Add a new @test block if you get an assert ----^ about this number. See 99 // SharedStringsUtils.java for details. 100 } 101 102 public static void test(String[] args_ignored) throws Exception { 103 vmOptionsPrefix = SharedStringsUtils.getChildVMOptionsPrefix(); 104 appJar = JarBuilder.build("IncompatibleOptions", "HelloString"); 105 106 // Uncompressed OOPs 107 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", COOPS_DUMP_WARNING, true); 108 if (GC.Z.isSupported()) { // ZGC is included in build. 109 testDump(1, "-XX:+UnlockExperimentalVMOptions", "-XX:+UseZGC", COOPS_DUMP_WARNING, true); 110 } 111 112 // incompatible GCs 113 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false); 114 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false); 115 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS 116 testDump(4, "-XX:+UseConcMarkSweepGC", "", GC_WARNING, false); 117 } 118 119 // ======= archive with compressed oops, run w/o 120 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false); 121 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops", 122 COOPS_EXEC_WARNING, true); 123 124 // NOTE: No warning is displayed, by design 125 // Still run, to ensure no crash or exception 126 testExec(6, "-XX:+UseParallelGC", "", "", false); 127 testExec(7, "-XX:+UseSerialGC", "", "", false); 128 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS 129 testExec(8, "-XX:+UseConcMarkSweepGC", "", "", false); 130 } 131 132 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes 133 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false); 134 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16", 135 OBJ_ALIGNMENT_MISMATCH, true); 136 137 // See JDK-8081416 - Oops encoding mismatch with shared strings 138 // produces unclear or incorrect warning 139 // Correct the test case once the above is fixed 140 // @ignore JDK-8081416 - for tracking purposes 141 // for now, run test as is until the proper behavior is determined 142 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false); 143 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true); 144 145 // CompactStrings must match between dump time and run time 146 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false); 147 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings", 148 COMPACT_STRING_MISMATCH, true); 149 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false); 150 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings", 151 COMPACT_STRING_MISMATCH, true); 152 } 153 154 static void testDump(int testCaseNr, String collectorOption, String extraOption, 155 String expectedWarning, boolean expectedToFail) throws Exception { 156 157 System.out.println("Testcase: " + testCaseNr); 158 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"), 159 TestCommon.concat(vmOptionsPrefix, 160 "-XX:+UseCompressedOops", 161 collectorOption, 162 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"), 163 "-Xlog:cds,cds+hashtables", 164 extraOption)); 165 166 if (expectedWarning != null) { 167 output.shouldContain(expectedWarning); 168 } 169 170 if (expectedToFail) { 171 Asserts.assertNE(output.getExitValue(), 0, 172 "JVM is expected to fail, but did not"); 173 } 174 } 175 176 static void testExec(int testCaseNr, String collectorOption, String extraOption, 177 String expectedWarning, boolean expectedToFail) throws Exception { 178 179 OutputAnalyzer output; 180 System.out.println("Testcase: " + testCaseNr); 181 182 // needed, otherwise system considers empty extra option as a 183 // main class param, and fails with "Could not find or load main class" 184 if (!extraOption.isEmpty()) { 185 output = TestCommon.exec(appJar, 186 TestCommon.concat(vmOptionsPrefix, 187 "-XX:+UseCompressedOops", 188 collectorOption, "-Xlog:cds", extraOption, "HelloString")); 189 } else { 190 output = TestCommon.exec(appJar, 191 TestCommon.concat(vmOptionsPrefix, 192 "-XX:+UseCompressedOops", 193 collectorOption, "-Xlog:cds", "HelloString")); 194 } 195 196 if (expectedWarning != null) { 197 output.shouldMatch(expectedWarning); 198 } 199 200 if (expectedToFail) { 201 Asserts.assertNE(output.getExitValue(), 0); 202 } else { 203 SharedStringsUtils.checkExec(output); 204 } 205 } 206 }