1 /*
2 * Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
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.
18 *
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
21 * questions.
22 *
23 */
24
25 /*
26 * @test CommandLineFlagCombo
27 * @requires vm.cds.archived.java.heap
28 * @comment This test explicitly chooses the type of GC to be used by sub-processes. It may conflict with the GC type set
29 * via the -vmoptions command line option of JTREG. vm.gc==null will help the test case to discard the explicitly passed
30 * vm options.
31 * @requires (vm.gc=="null")
32 * @summary Test command line flag combinations that
33 * could likely affect the behaviour of AppCDS
34 * @library /test/lib
35 * @modules java.base/jdk.internal.misc
36 * java.management
37 * jdk.jartool/sun.tools.jar
38 * @build sun.hotspot.WhiteBox
39 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission
40 * @compile test-classes/Hello.java
41 * @run main/othervm/timeout=240 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. CommandLineFlagCombo
42 */
43
44 import jdk.test.lib.BuildHelper;
45 import jdk.test.lib.Platform;
46 import jdk.test.lib.process.OutputAnalyzer;
47
48 import sun.hotspot.code.Compiler;
49
50 public class CommandLineFlagCombo {
51
52 // shared base address test table
53 private static final String[] testTable = {
54 "-XX:+UseG1GC", "-XX:+UseSerialGC", "-XX:+UseParallelGC", "-XX:+UseConcMarkSweepGC",
55 "-XX:+FlightRecorder",
56 "-XX:+UseLargePages", // may only take effect on machines with large-pages
57 "-XX:+UseCompressedClassPointers",
58 "-XX:+UseCompressedOops",
59 "-XX:ObjectAlignmentInBytes=16",
60 "-XX:ObjectAlignmentInBytes=32",
61 "-XX:ObjectAlignmentInBytes=64"
62 };
63
64 public static void main(String[] args) throws Exception {
65 String appJar = JarBuilder.getOrCreateHelloJar();
66 String classList[] = {"Hello"};
67
68 for (String testEntry : testTable) {
69 System.out.println("CommandLineFlagCombo = " + testEntry);
70
71 if (skipTestCase(testEntry))
72 continue;
73
74 OutputAnalyzer dumpOutput = TestCommon.dump(appJar, classList, testEntry);
75 if (!TestCommon.isDynamicArchive()) {
76 TestCommon.checkDump(dumpOutput, "Loading classes to share");
77 } else {
78 if (testEntry.contains("ObjectAlignmentInBytes")) {
79 dumpOutput.shouldHaveExitValue(1)
80 .shouldMatch("The shared archive file's ObjectAlignmentInBytes of .* does not equal the current ObjectAlignmentInBytes of");
81 } else {
82 TestCommon.checkDump(dumpOutput, "Loading classes to share");
83 }
84 }
85
86 if ((TestCommon.isDynamicArchive() && !testEntry.contains("ObjectAlignmentInBytes")) ||
87 !TestCommon.isDynamicArchive()) {
88 OutputAnalyzer execOutput = TestCommon.exec(appJar, testEntry, "Hello");
89 TestCommon.checkExec(execOutput, "Hello World");
90 }
91 }
92
93 for (int i=0; i<2; i++) {
94 String g1Flag, serialFlag;
95
96 // Interned strings are supported only with G1GC. However, we should not crash if:
97 // 0: archive has shared strings, but run time doesn't support shared strings
98 // 1: archive has no shared strings, but run time supports shared strings
99
100 String dump_g1Flag = "-XX:" + (i == 0 ? "+" : "-") + "UseG1GC";
101 String run_g1Flag = "-XX:" + (i != 0 ? "+" : "-") + "UseG1GC";
102 String dump_serialFlag = "-XX:" + (i != 0 ? "+" : "-") + "UseSerialGC";
103 String run_serialFlag = "-XX:" + (i == 0 ? "+" : "-") + "UseSerialGC";
104
105 OutputAnalyzer dumpOutput = TestCommon.dump(
106 appJar, classList, dump_g1Flag, dump_serialFlag);
107
108 TestCommon.checkDump(dumpOutput, "Loading classes to share");
109
110 OutputAnalyzer execOutput = TestCommon.exec(appJar, run_g1Flag, run_serialFlag, "Hello");
111 TestCommon.checkExec(execOutput, "Hello World");
112 }
113 }
114
115 private static boolean skipTestCase(String testEntry) throws Exception {
116 if (Platform.is32bit())
117 {
118 if (testEntry.equals("-XX:+UseCompressedOops") ||
119 testEntry.equals("-XX:+UseCompressedClassPointers") ||
120 testEntry.contains("ObjectAlignmentInBytes") )
121 {
122 System.out.println("Test case not applicable on 32-bit platforms");
123 return true;
124 }
125 }
126
127 if (Compiler.isGraalEnabled() && testEntry.equals("-XX:+UseConcMarkSweepGC"))
128 {
129 System.out.println("Graal does not support CMS");
130 return true;
131 }
132
133 return false;
134 }
135 }