1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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23 */
24
25 /*
26 * @test
27 * @summary Test options that are incompatible with use of shared strings
28 * Also test mismatch in oops encoding between dump time and run time
29 * @requires vm.cds.archived.java.heap
30 * @requires (vm.gc=="null")
31 * @library /test/lib /test/hotspot/jtreg/runtime/appcds
32 * @modules java.base/jdk.internal.misc
33 * @modules java.management
34 * jdk.jartool/sun.tools.jar
35 * @build sun.hotspot.WhiteBox
36 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
37 * @build HelloString
38 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. IncompatibleOptions
39 */
40
41 import jdk.test.lib.Asserts;
42 import jdk.test.lib.process.OutputAnalyzer;
43
44 import sun.hotspot.code.Compiler;
45
46 public class IncompatibleOptions {
47 static final String COOPS_DUMP_WARNING =
48 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off";
49 static final String COOPS_EXEC_WARNING =
50 "UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces";
51 static final String GC_WARNING =
52 "Archived java heap is not supported";
53 static final String OBJ_ALIGNMENT_MISMATCH =
54 "The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of";
55 static final String COMPACT_STRING_MISMATCH =
56 "The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting";
57
58 static String appJar;
59
60 public static void main(String[] args) throws Exception {
61 appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
62
63 // Uncompressed OOPs
64 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", COOPS_DUMP_WARNING, true);
65
66 // incompatible GCs
67 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
68 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
69 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
70 testDump(4, "-XX:+UseConcMarkSweepGC", "", GC_WARNING, false);
71 }
72
73 // ======= archive with compressed oops, run w/o
74 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
75 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
76 COOPS_EXEC_WARNING, true);
77
78 // NOTE: No warning is displayed, by design
79 // Still run, to ensure no crash or exception
80 testExec(6, "-XX:+UseParallelGC", "", "", false);
81 testExec(7, "-XX:+UseSerialGC", "", "", false);
82 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
83 testExec(8, "-XX:+UseConcMarkSweepGC", "", "", false);
84 }
85
86 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
87 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
88 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
89 OBJ_ALIGNMENT_MISMATCH, true);
90
91 // See JDK-8081416 - Oops encoding mismatch with shared strings
92 // produces unclear or incorrect warning
93 // Correct the test case once the above is fixed
94 // @ignore JDK-8081416 - for tracking purposes
95 // for now, run test as is until the proper behavior is determined
96 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
97 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
98
99 // CompactStrings must match between dump time and run time
100 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
101 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
102 COMPACT_STRING_MISMATCH, true);
103 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
104 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
105 COMPACT_STRING_MISMATCH, true);
106 }
107
108 static void testDump(int testCaseNr, String collectorOption, String extraOption,
109 String expectedWarning, boolean expectedToFail) throws Exception {
110
111 System.out.println("Testcase: " + testCaseNr);
112 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
113 "-XX:+UseCompressedOops",
114 collectorOption,
115 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
116 extraOption);
117
118 if (expectedWarning != null)
119 output.shouldContain(expectedWarning);
120
121 if (expectedToFail) {
122 Asserts.assertNE(output.getExitValue(), 0,
123 "JVM is expected to fail, but did not");
124 }
125 }
126
127 static void testExec(int testCaseNr, String collectorOption, String extraOption,
128 String expectedWarning, boolean expectedToFail) throws Exception {
129
130 OutputAnalyzer output;
131 System.out.println("Testcase: " + testCaseNr);
132
133 // needed, otherwise system considers empty extra option as a
134 // main class param, and fails with "Could not find or load main class"
135 if (!extraOption.isEmpty()) {
136 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
137 collectorOption, extraOption, "HelloString");
138 } else {
139 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
140 collectorOption, "HelloString");
141 }
142
143 if (expectedWarning != null)
144 output.shouldMatch(expectedWarning);
145
146 if (expectedToFail)
147 Asserts.assertNE(output.getExitValue(), 0);
148 else
149 SharedStringsUtils.checkExec(output);
150 }
151 }