1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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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.Platform;
43 import jdk.test.lib.process.OutputAnalyzer;
44
45 import sun.hotspot.code.Compiler;
46
47 public class IncompatibleOptions {
48 static final String COOPS_DUMP_WARNING =
49 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off";
50 static final String COOPS_EXEC_WARNING =
51 "UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces";
52 static final String GC_WARNING =
53 "Archived java heap is not supported";
54 static final String OBJ_ALIGNMENT_MISMATCH =
55 "The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of";
56 static final String COMPACT_STRING_MISMATCH =
57 "The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting";
58
59 static String appJar;
60
61 public static void main(String[] args) throws Exception {
62 appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
63
64 // Uncompressed OOPs
65 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", COOPS_DUMP_WARNING, true);
66 if (Platform.isLinux() && Platform.isX64()) {
67 testDump(1, "-XX:+UnlockExperimentalVMOptions", "-XX:+UseZGC", COOPS_DUMP_WARNING, true);
68 }
69
70 // incompatible GCs
71 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
72 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
73 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
74 testDump(4, "-XX:+UseConcMarkSweepGC", "", GC_WARNING, false);
75 }
76
77 // ======= archive with compressed oops, run w/o
78 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
79 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
80 COOPS_EXEC_WARNING, true);
81
82 // NOTE: No warning is displayed, by design
83 // Still run, to ensure no crash or exception
84 testExec(6, "-XX:+UseParallelGC", "", "", false);
85 testExec(7, "-XX:+UseSerialGC", "", "", false);
86 if (!Compiler.isGraalEnabled()) { // Graal does not support CMS
87 testExec(8, "-XX:+UseConcMarkSweepGC", "", "", false);
88 }
89
90 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
91 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
92 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
93 OBJ_ALIGNMENT_MISMATCH, true);
94
95 // See JDK-8081416 - Oops encoding mismatch with shared strings
96 // produces unclear or incorrect warning
97 // Correct the test case once the above is fixed
98 // @ignore JDK-8081416 - for tracking purposes
99 // for now, run test as is until the proper behavior is determined
100 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
101 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
102
103 // CompactStrings must match between dump time and run time
104 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
105 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
106 COMPACT_STRING_MISMATCH, true);
107 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
108 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
109 COMPACT_STRING_MISMATCH, true);
110 }
111
112 static void testDump(int testCaseNr, String collectorOption, String extraOption,
113 String expectedWarning, boolean expectedToFail) throws Exception {
114
115 System.out.println("Testcase: " + testCaseNr);
116 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
117 "-XX:+UseCompressedOops",
118 collectorOption,
119 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
120 extraOption);
121
122 if (expectedWarning != null)
123 output.shouldContain(expectedWarning);
124
125 if (expectedToFail) {
126 Asserts.assertNE(output.getExitValue(), 0,
127 "JVM is expected to fail, but did not");
128 }
129 }
130
131 static void testExec(int testCaseNr, String collectorOption, String extraOption,
132 String expectedWarning, boolean expectedToFail) throws Exception {
133
134 OutputAnalyzer output;
135 System.out.println("Testcase: " + testCaseNr);
136
137 // needed, otherwise system considers empty extra option as a
138 // main class param, and fails with "Could not find or load main class"
139 if (!extraOption.isEmpty()) {
140 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
141 collectorOption, extraOption, "HelloString");
142 } else {
143 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
144 collectorOption, "HelloString");
145 }
146
147 if (expectedWarning != null)
148 output.shouldMatch(expectedWarning);
149
150 if (expectedToFail)
151 Asserts.assertNE(output.getExitValue(), 0);
152 else
153 SharedStringsUtils.checkExec(output);
154 }
155 }