1 /*
2 * Copyright (c) 2016, 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
21 * questions.
22 */
50 ClassUnloadCommon.triggerUnloading();
51 }
52 }
53
54 // Use the same command-line heap size setting as ../ClassUnload/UnloadTest.java
55 static ProcessBuilder exec(String... args) throws Exception {
56 List<String> argsList = new ArrayList<>();
57 Collections.addAll(argsList, args);
58 Collections.addAll(argsList, "-Xmn8m");
59 Collections.addAll(argsList, "-Dtest.classes=" + System.getProperty("test.classes","."));
60 Collections.addAll(argsList, ClassUnloadTestMain.class.getName());
61 return ProcessTools.createJavaProcessBuilder(argsList.toArray(new String[argsList.size()]));
62 }
63
64 public static void main(String... args) throws Exception {
65
66 // -XX:+TraceLoaderConstraints
67 pb = exec("-XX:+TraceLoaderConstraints");
68 out = new OutputAnalyzer(pb.start());
69 out.getOutput();
70 out.shouldContain("[class,loader,constraints] adding new constraint for name: java/lang/Class, loader[0]: jdk/internal/loader/ClassLoaders$AppClassLoader, loader[1]: <bootloader>");
71
72 // -Xlog:class+loader+constraints=info
73 pb = exec("-Xlog:class+loader+constraints=info");
74 out = new OutputAnalyzer(pb.start());
75 out.shouldContain("[class,loader,constraints] adding new constraint for name: java/lang/Class, loader[0]: jdk/internal/loader/ClassLoaders$AppClassLoader, loader[1]: <bootloader>");
76
77 // -XX:-TraceLoaderConstraints
78 pb = exec("-XX:-TraceLoaderConstraints");
79 out = new OutputAnalyzer(pb.start());
80 out.shouldNotContain("[class,loaderconstraints]");
81
82 // -Xlog:class+loader+constraints=off
83 pb = exec("-Xlog:class+loader+constraints=off");
84 out = new OutputAnalyzer(pb.start());
85 out.shouldNotContain("[class,loader,constraints]");
86
87 }
88 }
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1 /*
2 * Copyright (c) 2016, 2018 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
21 * questions.
22 */
50 ClassUnloadCommon.triggerUnloading();
51 }
52 }
53
54 // Use the same command-line heap size setting as ../ClassUnload/UnloadTest.java
55 static ProcessBuilder exec(String... args) throws Exception {
56 List<String> argsList = new ArrayList<>();
57 Collections.addAll(argsList, args);
58 Collections.addAll(argsList, "-Xmn8m");
59 Collections.addAll(argsList, "-Dtest.classes=" + System.getProperty("test.classes","."));
60 Collections.addAll(argsList, ClassUnloadTestMain.class.getName());
61 return ProcessTools.createJavaProcessBuilder(argsList.toArray(new String[argsList.size()]));
62 }
63
64 public static void main(String... args) throws Exception {
65
66 // -XX:+TraceLoaderConstraints
67 pb = exec("-XX:+TraceLoaderConstraints");
68 out = new OutputAnalyzer(pb.start());
69 out.getOutput();
70 out.shouldContain("[class,loader,constraints] adding new constraint for name: java/lang/Class, loader[0]: 'app', loader[1]: 'bootstrap'");
71
72 // -Xlog:class+loader+constraints=info
73 pb = exec("-Xlog:class+loader+constraints=info");
74 out = new OutputAnalyzer(pb.start());
75 out.shouldContain("[class,loader,constraints] adding new constraint for name: java/lang/Class, loader[0]: 'app', loader[1]: 'bootstrap'");
76
77 // -XX:-TraceLoaderConstraints
78 pb = exec("-XX:-TraceLoaderConstraints");
79 out = new OutputAnalyzer(pb.start());
80 out.shouldNotContain("[class,loaderconstraints]");
81
82 // -Xlog:class+loader+constraints=off
83 pb = exec("-Xlog:class+loader+constraints=off");
84 out = new OutputAnalyzer(pb.start());
85 out.shouldNotContain("[class,loader,constraints]");
86
87 }
88 }
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