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 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
57 "-Xmx128m",
58 "-XX:-UnlockDiagnosticVMOptions",
59 "-XX:-UnlockExperimentalVMOptions",
60 "-XX:+UseShenandoahGC",
61 h,
62 "-version"
63 );
64 switch (mode) {
65 case PRODUCT:
66 output.shouldHaveExitValue(0);
67 break;
68 case DIAGNOSTIC:
69 case EXPERIMENTAL:
70 output.shouldNotHaveExitValue(0);
71 break;
72 }
73 }
74
75 {
76 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
77 "-Xmx128m",
78 "-XX:+UnlockDiagnosticVMOptions",
79 "-XX:-UnlockExperimentalVMOptions",
80 "-XX:+UseShenandoahGC",
81 h,
82 "-version"
83 );
84 switch (mode) {
85 case PRODUCT:
86 case DIAGNOSTIC:
87 output.shouldHaveExitValue(0);
88 break;
89 case EXPERIMENTAL:
90 output.shouldNotHaveExitValue(0);
91 break;
92 }
93 }
94
95 {
96 OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
97 "-Xmx128m",
98 "-XX:-UnlockDiagnosticVMOptions",
99 "-XX:+UnlockExperimentalVMOptions",
100 "-XX:+UseShenandoahGC",
101 h,
102 "-version"
103 );
104 switch (mode) {
105 case PRODUCT:
106 case EXPERIMENTAL:
107 output.shouldHaveExitValue(0);
108 break;
109 case DIAGNOSTIC:
110 output.shouldNotHaveExitValue(0);
111 break;
112 }
113 }
114 }
115
116 }