1 /*
2 * Copyright (c) 2020, Red Hat, Inc. All rights reserved.
3 * Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 /*
27 * @test
28 * @summary Test that Shenandoah modes are unlocked properly
29 * @requires vm.gc.Shenandoah
30 * @library /test/lib
31 * @modules java.base/jdk.internal.misc
32 * java.management
33 * @run driver TestModeUnlock
34 */
35
36 import jdk.test.lib.process.ProcessTools;
37 import jdk.test.lib.process.OutputAnalyzer;
38
39 public class TestModeUnlock {
40
41 enum Mode {
42 PRODUCT,
43 DIAGNOSTIC,
44 EXPERIMENTAL,
45 }
46
47 public static void main(String[] args) throws Exception {
48 testWith("-XX:ShenandoahGCMode=satb", Mode.PRODUCT);
49 testWith("-XX:ShenandoahGCMode=iu", Mode.EXPERIMENTAL);
50 testWith("-XX:ShenandoahGCMode=passive", Mode.DIAGNOSTIC);
51 testWith("-XX:ShenandoahGCMode=generational", Mode.EXPERIMENTAL);
52 }
53
54 private static void testWith(String h, Mode mode) throws Exception {
55 {
56 ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
57 "-Xmx128m",
58 "-XX:-UnlockDiagnosticVMOptions",
59 "-XX:-UnlockExperimentalVMOptions",
60 "-XX:+UseShenandoahGC",
61 h,
62 "-version"
63 );
64 OutputAnalyzer output = new OutputAnalyzer(pb.start());
65 switch (mode) {
66 case PRODUCT:
67 output.shouldHaveExitValue(0);
68 break;
69 case DIAGNOSTIC:
70 case EXPERIMENTAL:
71 output.shouldNotHaveExitValue(0);
72 break;
73 }
74 }
75
76 {
77 ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
78 "-Xmx128m",
79 "-XX:+UnlockDiagnosticVMOptions",
80 "-XX:-UnlockExperimentalVMOptions",
81 "-XX:+UseShenandoahGC",
82 h,
83 "-version"
84 );
85 OutputAnalyzer output = new OutputAnalyzer(pb.start());
86 switch (mode) {
87 case PRODUCT:
88 case DIAGNOSTIC:
89 output.shouldHaveExitValue(0);
90 break;
91 case EXPERIMENTAL:
92 output.shouldNotHaveExitValue(0);
93 break;
94 }
95 }
96
97 {
98 ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
99 "-Xmx128m",
100 "-XX:-UnlockDiagnosticVMOptions",
101 "-XX:+UnlockExperimentalVMOptions",
102 "-XX:+UseShenandoahGC",
103 h,
104 "-version"
105 );
106 OutputAnalyzer output = new OutputAnalyzer(pb.start());
107 switch (mode) {
108 case PRODUCT:
109 case EXPERIMENTAL:
110 output.shouldHaveExitValue(0);
111 break;
112 case DIAGNOSTIC:
113 output.shouldNotHaveExitValue(0);
114 break;
115 }
116 }
117 }
118
119 }