1 /*
2  * Copyright (c) 2014, 2017, 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
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22  */
23 
24 /*
25  * @test BooleanTest
26  * @bug 8028756
27  * @library /test/lib
28  * @modules java.base/jdk.internal.misc
29  *          java.compiler
30  *          java.management/sun.management
31  *          jdk.internal.jvmstat/sun.jvmstat.monitor
32  * @build sun.hotspot.WhiteBox
33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
35  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI BooleanTest
36  * @summary testing of WB::set/getBooleanVMFlag()
37  * @author igor.ignatyev@oracle.com
38  */
39 
40 import sun.hotspot.WhiteBox;
41 import jdk.test.lib.process.OutputAnalyzer;
42 import jdk.test.lib.process.ProcessTools;
43 import sun.management.*;
44 import com.sun.management.*;
45 
46 public class BooleanTest {
47     private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
48     private static final Boolean[] TESTS = {true, false, true, true, false};
49     private static final String TEST_NAME = "BooleanTest";
50     private static final String FLAG_NAME = "PrintCompilation";
51     private static final String FLAG_DEBUG_NAME = "SafepointALot";
52     private static final String METHOD = TEST_NAME + "::method";
53     private static final String METHOD1 = METHOD + "1";
54     private static final String METHOD2 = METHOD + "2";
55 
main(String[] args)56     public static void main(String[] args) throws Exception {
57         if (args.length == 0) {
58             VmFlagTest.runTest(FLAG_NAME, TESTS,
59                 VmFlagTest.WHITE_BOX::setBooleanVMFlag,
60                 VmFlagTest.WHITE_BOX::getBooleanVMFlag);
61             testFunctional(false);
62             testFunctional(true);
63             VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getBooleanVMFlag);
64         } else {
65             boolean value = Boolean.valueOf(args[0]);
66             method1();
67             VmFlagTest.WHITE_BOX.setBooleanVMFlag(FLAG_NAME, value);
68             method2();
69         }
70     }
71 
testFunctional(boolean value)72     private static void testFunctional(boolean value) throws Exception {
73         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
74             "-Xbootclasspath/a:.",
75             "-XX:+UnlockDiagnosticVMOptions",
76             "-XX:+WhiteBoxAPI",
77             "-Xcomp",
78             "-XX:CompileCommand=compileonly," + METHOD + "*",
79             "-XX:" + (value ? "-" : "+") + FLAG_NAME,
80             TEST_NAME,
81             "" + value);
82         OutputAnalyzer out = new OutputAnalyzer(pb.start());
83         if (value) {
84             out.shouldNotContain(METHOD1);
85             out.shouldContain(METHOD2);
86         } else {
87             out.shouldContain(METHOD1);
88             out.shouldNotContain(METHOD2);
89         }
90     }
91 
method1()92     private static void method1() { }
method2()93     private static void method2() { }
94 }
95 
96