1 /*
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 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 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).
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15  * You should have received a copy of the GNU General Public License version
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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
26  * @bug 8331462
27  * @summary [lworld] javac is setting the ACC_STRICT flag for value-based classes
28  * @library /tools/lib
29  * @modules
30  *      jdk.compiler/com.sun.tools.javac.code
31  *      jdk.compiler/com.sun.tools.javac.util
32  *      jdk.compiler/com.sun.tools.javac.api
33  *      jdk.compiler/com.sun.tools.javac.file
34  *      jdk.compiler/com.sun.tools.javac.main
35  *      jdk.jdeps/com.sun.tools.classfile
36  * @build toolbox.ToolBox toolbox.JavacTask
37  * @run main ValueBasedFlagsTest
38  */
39 
40 import java.nio.file.Path;
41 import java.nio.file.Paths;
42 
43 import com.sun.tools.javac.code.Flags;
44 import com.sun.tools.javac.util.Assert;
45 import com.sun.tools.classfile.ClassFile;
46 
47 import toolbox.TestRunner;
48 import toolbox.ToolBox;
49 import toolbox.JavacTask;
50 import toolbox.Task;
51 
52 public class ValueBasedFlagsTest extends TestRunner {
53     ToolBox tb = new ToolBox();
54 
55     public ValueBasedFlagsTest() {
56         super(System.err);
57     }
58 
59     protected void runTests() throws Exception {
60         runTests(m -> new Object[] { Paths.get(m.getName()) });
61     }
62 
63     Path[] findJavaFiles(Path... paths) throws Exception {
64         return tb.findJavaFiles(paths);
65     }
66 
67     public static void main(String... args) throws Exception {
68         new ValueBasedFlagsTest().runTests();
69     }
70 
71     @Test
72     public void testValueBased(Path base) throws Exception {
73         Path src = base.resolve("src");
74         tb.writeJavaFiles(src,
75                 """
76                 package java.lang;
77                 @jdk.internal.ValueBased
78                 final class ValueBasedTest {}
79                 """);
80         Path classes = base.resolve("classes");
81         tb.createDirectories(classes);
82 
83         new toolbox.JavacTask(tb)
84                 .options("--patch-module", "java.base=" + src.toString(),
85                         "--enable-preview", "-source", Integer.toString(Runtime.version().feature()))
86                 .outdir(classes)
87                 .files(findJavaFiles(src))
88                 .run()
89                 .writeAll();
90         Path classFilePath = classes.resolve("java", "lang", "ValueBasedTest.class");
91         ClassFile classFile = ClassFile.read(classFilePath.toFile());
92         Assert.check((classFile.access_flags.flags & Flags.ACC_STRICT) == 0);
93     }
94 }