1 /*
 2  * Copyright (c) 2022, 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  */
23 
24 /*
25  * @test ValuePreloadTest
26  * @library /test/lib
27  * @compile ValuePreloadClient0.java PreloadValue0.java ValuePreloadClient1.jcod
28  * @run driver ValuePreloadTest
29  */
30 
31 import jdk.test.lib.process.ProcessTools;
32 import jdk.test.lib.process.OutputAnalyzer;
33 import java.util.ArrayList;
34 import java.util.Collections;
35 import java.util.List;
36 
37 public class ValuePreloadTest {
38 
39     static ProcessBuilder exec(String... args) throws Exception {
40         List<String> argsList = new ArrayList<>();
41         Collections.addAll(argsList, "-Dtest.class.path=" + System.getProperty("test.class.path", "."));
42         Collections.addAll(argsList, args);
43         return ProcessTools.createJavaProcessBuilder(argsList);
44     }
45 
46     static void checkFor(ProcessBuilder pb, String... outputStrings) throws Exception {
47         OutputAnalyzer out = new OutputAnalyzer(pb.start());
48         for (String s: outputStrings) {
49             out.shouldContain(s);
50         }
51         out.shouldHaveExitValue(0);
52     }
53 
54     public static void main(String[] args) throws Exception {
55         ProcessBuilder pb = exec("-Xlog:class+preload","ValuePreloadClient0");
56         checkFor(pb, "[info][class,preload] Preloading class PreloadValue0 during linking of class ValuePreloadClient0 because of its Preload attribute");
57 
58         pb = exec("-Xlog:class+preload","ValuePreloadClient1");
59         checkFor(pb, "[warning][class,preload] Preloading of class PreloadValue1 during linking of class ValuePreloadClient1 (Preload attribute) failed");
60     }
61 }