1 /*
2 * Copyright (c) 2016, 2018, Red Hat, Inc. All rights reserved.
3 *
4 * This code is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 only, as
6 * published by the Free Software Foundation.
7 *
8 * This code is distributed in the hope that it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
11 * version 2 for more details (a copy is included in the LICENSE file that
12 * accompanied this code).
13 *
14 * You should have received a copy of the GNU General Public License version
15 * 2 along with this work; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 /*
25 * @test TestShenandoahArgumentRanges
26 * @summary Test that Shenandoah arguments are checked for ranges where applicable
27 * @key gc
28 * @library /test/lib
29 * @modules java.base/jdk.internal.misc
30 * java.management
31 * @run driver TestShenandoahArgumentRanges
32 */
33
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36
37 public class TestShenandoahArgumentRanges {
38 public static void main(String[] args) throws Exception {
39 testRange("ShenandoahGarbageThreshold", 0, 100);
40 testRange("ShenandoahFreeThreshold", 0, 100);
41 testRange("ShenandoahAllocationThreshold", 0, 100);
42 testHeuristics();
43 }
44
45 private static void testHeuristics() throws Exception {
46
47 {
48 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
49 "-XX:+UnlockExperimentalVMOptions",
50 "-XX:+UseShenandoahGC",
51 "-XX:ShenandoahGCHeuristics=aggressive",
52 "-version");
53 OutputAnalyzer output = new OutputAnalyzer(pb.start());
54 output.shouldHaveExitValue(0);
55 }
56 {
57 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
58 "-XX:+UnlockExperimentalVMOptions",
59 "-XX:+UseShenandoahGC",
60 "-XX:ShenandoahGCHeuristics=static",
61 "-version");
62 OutputAnalyzer output = new OutputAnalyzer(pb.start());
63 output.shouldHaveExitValue(0);
64 }
65 {
66 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
67 "-XX:+UnlockExperimentalVMOptions",
68 "-XX:+UseShenandoahGC",
69 "-XX:ShenandoahGCHeuristics=fluff",
70 "-version");
71 OutputAnalyzer output = new OutputAnalyzer(pb.start());
72 output.shouldMatch("Unknown -XX:ShenandoahGCHeuristics option");
73 output.shouldHaveExitValue(1);
74 }
75 }
76
77 private static void testRange(String option, int min, int max) throws Exception {
78 {
79 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
80 "-XX:+UnlockExperimentalVMOptions",
81 "-XX:+UseShenandoahGC",
82 "-XX:" + option + "=" + (max + 1),
83 "-version");
84 OutputAnalyzer output = new OutputAnalyzer(pb.start());
85 output.shouldHaveExitValue(1);
86 }
87 {
88 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
89 "-XX:+UnlockExperimentalVMOptions",
90 "-XX:+UseShenandoahGC",
91 "-XX:" + option + "=" + max,
92 "-version");
93 OutputAnalyzer output = new OutputAnalyzer(pb.start());
94 output.shouldHaveExitValue(0);
95 }
96 {
97 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
98 "-XX:+UnlockExperimentalVMOptions",
99 "-XX:+UseShenandoahGC",
100 "-XX:" + option + "=" + (min - 1),
101 "-version");
102 OutputAnalyzer output = new OutputAnalyzer(pb.start());
103 output.shouldHaveExitValue(1);
104 }
105 {
106 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+UnlockDiagnosticVMOptions",
107 "-XX:+UnlockExperimentalVMOptions",
108 "-XX:+UseShenandoahGC",
109 "-XX:" + option + "=" + min,
110 "-version");
111 OutputAnalyzer output = new OutputAnalyzer(pb.start());
112 output.shouldHaveExitValue(0);
113 }
114 }
115 }