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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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23 
24 /*
25  * @test
26  * @bug 8153665
27  * @summary Test two URLClassLoader define Package object of the same name
28  * @library /test/lib
29  * @build jdk.test.lib.compiler.CompilerUtils
30  * @modules jdk.compiler
31  * @run testng SplitPackage
32  */
33 
34 import java.net.URL;
35 import java.net.URLClassLoader;
36 import java.nio.file.Files;
37 import java.nio.file.Path;
38 import java.nio.file.Paths;
39 import java.nio.file.StandardCopyOption;
40 import java.util.jar.Manifest;
41 import jdk.test.lib.compiler.CompilerUtils;
42 
43 import org.testng.annotations.BeforeTest;
44 import org.testng.annotations.Test;
45 import static org.testng.Assert.*;
46 
47 public class SplitPackage {
48     private static final Path SRC_DIR = Paths.get(System.getProperty("test.src", "."));
49     private static final Path FOO_DIR = Paths.get("foo");
50     private static final Path BAR_DIR = Paths.get("bar");
51 
52     @BeforeTest
setup()53     private void setup() throws Exception {
54         Files.createDirectory(BAR_DIR);
55 
56         Path pkgDir = Paths.get("p");
57         // compile classes in package p
58         assertTrue(CompilerUtils.compile(SRC_DIR.resolve(pkgDir), BAR_DIR));
59 
60         // move p.Foo to a different directory
61         Path foo = pkgDir.resolve("Foo.class");
62         Files.createDirectories(FOO_DIR.resolve(pkgDir));
63         Files.move(BAR_DIR.resolve(foo), FOO_DIR.resolve(foo),
64                    StandardCopyOption.REPLACE_EXISTING);
65     }
66 
67     @Test
test()68     public void test() throws Exception {
69         URLClassLoader loader1 = new URLClassLoader(new URL[] {
70             FOO_DIR.toUri().toURL()
71         });
72         Loader loader2 = new Loader(new URL[] {
73             BAR_DIR.toUri().toURL()
74         }, loader1);
75 
76         Class<?> foo = Class.forName("p.Foo", true, loader2);
77         Class<?> bar = Class.forName("p.Bar", true, loader2);
78         Class<?> baz = Class.forName("p.Baz", true, loader2);
79 
80         Package pForFoo = loader1.getDefinedPackage("p");
81         Package pForBar = loader2.getDefinedPackage("p");
82 
83         assertEquals(pForFoo.getName(), pForBar.getName());
84         assertTrue(pForFoo != pForBar);
85 
86         try {
87             loader2.defineSplitPackage("p");
88         } catch (IllegalArgumentException e) {
89 
90         }
91     }
92 
93     static class Loader extends URLClassLoader {
Loader(URL[] urls, URLClassLoader parent)94         Loader(URL[] urls, URLClassLoader parent) {
95             super(urls, parent);
96         }
97 
defineSplitPackage(String name)98         public Package defineSplitPackage(String name) {
99             Manifest manifest = new Manifest();
100             return super.definePackage(name, manifest, null);
101         }
102     }
103 }
104 
105