1 /*
2 * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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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7 * published by the Free Software Foundation.
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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.
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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
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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 * Feature support: G1GC only, compressed oops/kptrs, 64-bit os, not on windows
30 * @requires (sun.arch.data.model != "32") & (os.family != "windows")
31 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
32 * @requires (vm.gc=="null")
33 * @library /test/lib /test/hotspot/jtreg/runtime/appcds
34 * @modules java.base/jdk.internal.misc
35 * @modules java.management
36 * jdk.jartool/sun.tools.jar
37 * @build HelloString
38 * @run main IncompatibleOptions
39 */
40
41 import jdk.test.lib.Asserts;
42 import jdk.test.lib.process.OutputAnalyzer;
43
44 public class IncompatibleOptions {
45 static final String COOPS_DUMP_WARNING =
46 "Cannot dump shared archive when UseCompressedOops or UseCompressedClassPointers is off";
47 static final String COOPS_EXEC_WARNING =
48 "UseCompressedOops and UseCompressedClassPointers must be on for UseSharedSpaces";
49 static final String GC_WARNING =
50 "Archived java heap is not supported";
51 static final String OBJ_ALIGNMENT_MISMATCH =
52 "The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of";
53 static final String COMPACT_STRING_MISMATCH =
54 "The shared archive file's CompactStrings setting .* does not equal the current CompactStrings setting";
55
56 static String appJar;
57
58 public static void main(String[] args) throws Exception {
59 appJar = JarBuilder.build("IncompatibleOptions", "HelloString");
60
61 // Uncompressed OOPs
62 testDump(1, "-XX:+UseG1GC", "-XX:-UseCompressedOops", COOPS_DUMP_WARNING, true);
63
64 // incompatible GCs
65 testDump(2, "-XX:+UseParallelGC", "", GC_WARNING, false);
66 testDump(3, "-XX:+UseSerialGC", "", GC_WARNING, false);
67 testDump(4, "-XX:+UseConcMarkSweepGC", "", GC_WARNING, false);
68
69 // ======= archive with compressed oops, run w/o
70 testDump(5, "-XX:+UseG1GC", "-XX:+UseCompressedOops", null, false);
71 testExec(5, "-XX:+UseG1GC", "-XX:-UseCompressedOops",
72 COOPS_EXEC_WARNING, true);
73
74 // NOTE: No warning is displayed, by design
75 // Still run, to ensure no crash or exception
76 testExec(6, "-XX:+UseParallelGC", "", "", false);
77 testExec(7, "-XX:+UseSerialGC", "", "", false);
78 testExec(8, "-XX:+UseConcMarkSweepGC", "", "", false);
79
80 // Test various oops encodings, by varying ObjectAlignmentInBytes and heap sizes
81 testDump(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=8", null, false);
82 testExec(9, "-XX:+UseG1GC", "-XX:ObjectAlignmentInBytes=16",
83 OBJ_ALIGNMENT_MISMATCH, true);
84
85 // See JDK-8081416 - Oops encoding mismatch with shared strings
86 // produces unclear or incorrect warning
87 // Correct the test case once the above is fixed
88 // @ignore JDK-8081416 - for tracking purposes
89 // for now, run test as is until the proper behavior is determined
90 testDump(10, "-XX:+UseG1GC", "-Xmx1g", null, false);
91 testExec(10, "-XX:+UseG1GC", "-Xmx32g", null, true);
92
93 // CompactStrings must match between dump time and run time
94 testDump(11, "-XX:+UseG1GC", "-XX:-CompactStrings", null, false);
95 testExec(11, "-XX:+UseG1GC", "-XX:+CompactStrings",
96 COMPACT_STRING_MISMATCH, true);
97 testDump(12, "-XX:+UseG1GC", "-XX:+CompactStrings", null, false);
98 testExec(12, "-XX:+UseG1GC", "-XX:-CompactStrings",
99 COMPACT_STRING_MISMATCH, true);
100 }
101
102 static void testDump(int testCaseNr, String collectorOption, String extraOption,
103 String expectedWarning, boolean expectedToFail) throws Exception {
104
105 System.out.println("Testcase: " + testCaseNr);
106 OutputAnalyzer output = TestCommon.dump(appJar, TestCommon.list("Hello"),
107 "-XX:+UseCompressedOops",
108 collectorOption,
109 "-XX:SharedArchiveConfigFile=" + TestCommon.getSourceFile("SharedStringsBasic.txt"),
110 extraOption);
111
112 if (expectedWarning != null)
113 output.shouldContain(expectedWarning);
114
115 if (expectedToFail) {
116 Asserts.assertNE(output.getExitValue(), 0,
117 "JVM is expected to fail, but did not");
118 }
119 }
120
121 static void testExec(int testCaseNr, String collectorOption, String extraOption,
122 String expectedWarning, boolean expectedToFail) throws Exception {
123
124 OutputAnalyzer output;
125 System.out.println("Testcase: " + testCaseNr);
126
127 // needed, otherwise system considers empty extra option as a
128 // main class param, and fails with "Could not find or load main class"
129 if (!extraOption.isEmpty()) {
130 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
131 collectorOption, extraOption, "HelloString");
132 } else {
133 output = TestCommon.exec(appJar, "-XX:+UseCompressedOops",
134 collectorOption, "HelloString");
135 }
136
137 if (expectedWarning != null)
138 output.shouldMatch(expectedWarning);
139
140 if (expectedToFail)
141 Asserts.assertNE(output.getExitValue(), 0);
142 else
143 SharedStringsUtils.checkExec(output);
144 }
145 }