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1 /* |
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2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 /* |
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26 * @test CommandLineFlagCombo |
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27 * @requires vm.cds.archived.java.heap |
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28 * @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set |
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29 * via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed |
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30 * vm options. |
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31 * @requires (vm.gc=="null") |
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32 * @summary Test command line flag combinations that |
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33 * could likely affect the behaviour of AppCDS |
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34 * @library /test/lib |
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35 * @modules java.base/jdk.internal.misc |
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36 * java.management |
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37 * jdk.jartool/sun.tools.jar |
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38 * @build sun.hotspot.WhiteBox |
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39 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission |
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40 * @compile test-classes/Hello.java |
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41 * @run main/othervm/timeout=240 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. CommandLineFlagCombo |
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42 */ |
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43 |
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44 import jdk.test.lib.BuildHelper; |
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45 import jdk.test.lib.Platform; |
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46 import jdk.test.lib.process.OutputAnalyzer; |
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47 |
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48 import sun.hotspot.code.Compiler; |
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49 |
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50 public class CommandLineFlagCombo { |
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51 |
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52 // shared base address test table |
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53 private static final String[] testTable = { |
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54 "-XX:+UseG1GC", "-XX:+UseSerialGC", "-XX:+UseParallelGC", "-XX:+UseConcMarkSweepGC", |
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55 "-XX:+FlightRecorder", |
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56 "-XX:+UseLargePages", // may only take effect on machines with large-pages |
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57 "-XX:+UseCompressedClassPointers", |
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58 "-XX:+UseCompressedOops", |
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59 "-XX:ObjectAlignmentInBytes=16", |
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60 "-XX:ObjectAlignmentInBytes=32", |
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61 "-XX:ObjectAlignmentInBytes=64" |
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62 }; |
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63 |
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64 public static void main(String[] args) throws Exception { |
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65 String appJar = JarBuilder.getOrCreateHelloJar(); |
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66 String classList[] = {"Hello"}; |
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67 |
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68 for (String testEntry : testTable) { |
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69 System.out.println("CommandLineFlagCombo = " + testEntry); |
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70 |
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71 if (skipTestCase(testEntry)) |
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72 continue; |
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73 |
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74 OutputAnalyzer dumpOutput = TestCommon.dump(appJar, classList, testEntry); |
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75 if (!TestCommon.isDynamicArchive()) { |
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76 TestCommon.checkDump(dumpOutput, "Loading classes to share"); |
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77 } else { |
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78 if (testEntry.contains("ObjectAlignmentInBytes")) { |
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79 dumpOutput.shouldHaveExitValue(1) |
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80 .shouldMatch("The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of"); |
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81 } else { |
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82 TestCommon.checkDump(dumpOutput, "Loading classes to share"); |
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83 } |
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84 } |
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85 |
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86 if ((TestCommon.isDynamicArchive() && !testEntry.contains("ObjectAlignmentInBytes")) || |
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87 !TestCommon.isDynamicArchive()) { |
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88 OutputAnalyzer execOutput = TestCommon.exec(appJar, testEntry, "Hello"); |
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89 TestCommon.checkExec(execOutput, "Hello World"); |
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90 } |
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91 } |
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92 |
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93 for (int i=0; i<2; i++) { |
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94 String g1Flag, serialFlag; |
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95 |
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96 // Interned strings are supported only with G1GC. However, we should not crash if: |
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97 // 0: archive has shared strings, but run time doesn't support shared strings |
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98 // 1: archive has no shared strings, but run time supports shared strings |
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99 |
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100 String dump_g1Flag = "-XX:" + (i == 0 ? "+" : "-") + "UseG1GC"; |
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101 String run_g1Flag = "-XX:" + (i != 0 ? "+" : "-") + "UseG1GC"; |
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102 String dump_serialFlag = "-XX:" + (i != 0 ? "+" : "-") + "UseSerialGC"; |
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103 String run_serialFlag = "-XX:" + (i == 0 ? "+" : "-") + "UseSerialGC"; |
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104 |
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105 OutputAnalyzer dumpOutput = TestCommon.dump( |
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106 appJar, classList, dump_g1Flag, dump_serialFlag); |
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107 |
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108 TestCommon.checkDump(dumpOutput, "Loading classes to share"); |
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109 |
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110 OutputAnalyzer execOutput = TestCommon.exec(appJar, run_g1Flag, run_serialFlag, "Hello"); |
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111 TestCommon.checkExec(execOutput, "Hello World"); |
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112 } |
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113 } |
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114 |
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115 private static boolean skipTestCase(String testEntry) throws Exception { |
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116 if (Platform.is32bit()) |
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117 { |
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118 if (testEntry.equals("-XX:+UseCompressedOops") || |
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119 testEntry.equals("-XX:+UseCompressedClassPointers") || |
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120 testEntry.contains("ObjectAlignmentInBytes") ) |
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121 { |
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122 System.out.println("Test case not applicable on 32-bit platforms"); |
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123 return true; |
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124 } |
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125 } |
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126 |
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127 if (Compiler.isGraalEnabled() && testEntry.equals("-XX:+UseConcMarkSweepGC")) |
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128 { |
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129 System.out.println("Graal does not support CMS"); |
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130 return true; |
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131 } |
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132 |
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133 return false; |
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134 } |
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135 } |