92 String[] noargs = {};
93 SharedStringsUtils.run(Integer.parseInt(args[0]), 3, noargs, IncompatibleOptions::test);
94 // Add a new @test block if you get an assert ----^ about this number. See
95 // SharedStringsUtils.java for details.
96 }
97
98 public static void test(String[] args_ignored) throws Exception {
99 vmOptionsPrefix = SharedStringsUtils.getChildVMOptionsPrefix();
100 appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
101
102 // Uncompressed OOPs
103 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
104 if (GC.Z.isSupported()) {
105 testDump(1, "-XX:+UseZGC", "-XX:-UseCompressedOops", null, false);
106 }
107
108 // incompatible GCs
109 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
110 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
111
112 // ======= archive with compressed oops, run w/o
113 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
114 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
115 COMPRESSED_OOPS_NOT_CONSISTENT, true);
116
117 // NOTE: No warning is displayed, by design
118 // Still run, to ensure no crash or exception
119 testExec(6, "-XX:+UseParallelGC", "", "", false);
120 testExec(7, "-XX:+UseSerialGC", "", "", false);
121
122 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
123 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
124 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
125 OBJ_ALIGNMENT_MISMATCH, true);
126
127 // See JDK-8081416 - Oops encoding mismatch with shared strings
128 // produces unclear or incorrect warning
129 // Correct the test case once the above is fixed
130 // @ignore JDK-8081416 - for tracking purposes
131 // for now, run test as is until the proper behavior is determined
132 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
133 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
134
135 // CompactStrings must match between dump time and run time
136 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
137 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
138 COMPACT_STRING_MISMATCH, true);
139 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
140 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
141 COMPACT_STRING_MISMATCH, true);
142 }
143
144 static void testDump(int testCaseNr, String collectorOption, String extraOption,
145 String expectedWarning, boolean expectedToFail) throws Exception {
146
147 System.out.println("Testcase: " + testCaseNr);
148 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
149 TestCommon.concat(vmOptionsPrefix,
150 "-XX:+UseCompressedOops",
151 collectorOption,
152 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
153 "-Xlog:cds,cds+hashtables",
154 extraOption));
155
156 if (expectedWarning != null) {
157 output.shouldContain(expectedWarning);
158 }
159
160 if (expectedToFail) {
161 Asserts.assertNE(output.getExitValue(), 0,
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92 String[] noargs = {};
93 SharedStringsUtils.run(Integer.parseInt(args[0]), 3, noargs, IncompatibleOptions::test);
94 // Add a new @test block if you get an assert ----^ about this number. See
95 // SharedStringsUtils.java for details.
96 }
97
98 public static void test(String[] args_ignored) throws Exception {
99 vmOptionsPrefix = SharedStringsUtils.getChildVMOptionsPrefix();
100 appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
101
102 // Uncompressed OOPs
103 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
104 if (GC.Z.isSupported()) {
105 testDump(1, "-XX:+UseZGC", "-XX:-UseCompressedOops", null, false);
106 }
107
108 // incompatible GCs
109 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
110 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
111
112 // Explicitly archive with compressed oops, run without.
113 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
114 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
115 COMPRESSED_OOPS_NOT_CONSISTENT, true);
116
117 // NOTE: No warning is displayed, by design
118 // Still run, to ensure no crash or exception
119 testExec(6, "-XX:+UseParallelGC", "", "", false);
120 testExec(7, "-XX:+UseSerialGC", "", "", false);
121
122 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
123 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
124 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
125 OBJ_ALIGNMENT_MISMATCH, true);
126
127 // Implicitly archive with compressed oops, run without.
128 // Max heap size for compressed oops is around 31G.
129 // UseCompressedOops is turned on by default when heap
130 // size is under 31G, but will be turned off when heap
131 // size is greater than that.
132 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
133 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
134
135 // CompactStrings must match between dump time and run time
136 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
137 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
138 COMPACT_STRING_MISMATCH, true);
139 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
140 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
141 COMPACT_STRING_MISMATCH, true);
142 // Explicitly archive without compressed oops and run with.
143 testDump(13, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
144 testExec(13, "-XX:+UseG1GC", "-XX:-UseCompressedOops", null, false);
145 // Implicitly archive without compressed oops and run with.
146 testDump(14, "-XX:+UseG1GC", "-Xmx32G", null, false);
147 testExec(14, "-XX:+UseG1GC", "-Xmx32G", null, false);
148 }
149
150 static void testDump(int testCaseNr, String collectorOption, String extraOption,
151 String expectedWarning, boolean expectedToFail) throws Exception {
152
153 System.out.println("Testcase: " + testCaseNr);
154 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
155 TestCommon.concat(vmOptionsPrefix,
156 "-XX:+UseCompressedOops",
157 collectorOption,
158 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
159 "-Xlog:cds,cds+hashtables",
160 extraOption));
161
162 if (expectedWarning != null) {
163 output.shouldContain(expectedWarning);
164 }
165
166 if (expectedToFail) {
167 Asserts.assertNE(output.getExitValue(), 0,
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