1 /*
 2  * Copyright (c) 2020, Red Hat, Inc. 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
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23  */
24 
25 /* @test
26  * @summary Test that disabling wrong barriers fails early
27  * @requires vm.gc.Shenandoah
28  * @library /test/lib
29  * @run driver TestWrongBarrierEnable
30  */
31 
32 import java.util.*;
33 
34 import jdk.test.lib.process.ProcessTools;
35 import jdk.test.lib.process.OutputAnalyzer;
36 
37 public class TestWrongBarrierEnable {
38 
39     public static void main(String[] args) throws Exception {
40         String[] concurrent = {
41                 "ShenandoahIUBarrier",
42         };
43         String[] iu = {
44                 "ShenandoahSATBBarrier",
45         };
46 
47         shouldFailAll("-XX:ShenandoahGCHeuristics=adaptive",   concurrent);
48         shouldFailAll("-XX:ShenandoahGCHeuristics=static",     concurrent);
49         shouldFailAll("-XX:ShenandoahGCHeuristics=compact",    concurrent);
50         shouldFailAll("-XX:ShenandoahGCHeuristics=aggressive", concurrent);
51         shouldFailAll("-XX:ShenandoahGCMode=iu",               iu);
52         shouldPassAll("-XX:ShenandoahGCMode=passive",          concurrent);
53         shouldPassAll("-XX:ShenandoahGCMode=passive",          iu);
54     }
55 
56     private static void shouldFailAll(String h, String[] barriers) throws Exception {
57         for (String b : barriers) {
58             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
59                     "-Xmx128m",
60                     "-XX:+UnlockDiagnosticVMOptions",
61                     "-XX:+UnlockExperimentalVMOptions",
62                     "-XX:+UseShenandoahGC",
63                     h,
64                     "-XX:+" + b,
65                     "-version"
66             );
67             output.shouldNotHaveExitValue(0);
68             output.shouldContain("GC mode needs ");
69             output.shouldContain("to work correctly");
70         }
71     }
72 
73     private static void shouldPassAll(String h, String[] barriers) throws Exception {
74         for (String b : barriers) {
75             OutputAnalyzer output = ProcessTools.executeLimitedTestJava(
76                     "-Xmx128m",
77                     "-XX:+UnlockDiagnosticVMOptions",
78                     "-XX:+UnlockExperimentalVMOptions",
79                     "-XX:+UseShenandoahGC",
80                     h,
81                     "-XX:+" + b,
82                     "-version"
83             );
84             output.shouldHaveExitValue(0);
85         }
86     }
87 
88 }