1 /*
   2  * Copyright (c) 2015, 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  */
  23 
  24 /**
  25  * @test
  26  * @library /lib/testlibrary
  27  * @modules jdk.compiler
  28  * @build OverlappingPackagesTest CompilerUtils jdk.testlibrary.*
  29  * @run testng OverlappingPackagesTest
  30  * @summary Basic test to ensure that startup fails if two or more modules
  31  *          in the boot Layer have the same package
  32  */
  33 
  34 import java.nio.file.Path;
  35 import java.nio.file.Paths;
  36 import java.util.Arrays;
  37 import java.util.List;
  38 
  39 import static jdk.testlibrary.ProcessTools.*;
  40 
  41 import org.testng.annotations.BeforeTest;
  42 import org.testng.annotations.Test;
  43 import static org.testng.Assert.*;
  44 
  45 @Test
  46 public class OverlappingPackagesTest {
  47 
  48     private static final String TEST_SRC = System.getProperty("test.src");
  49 
  50     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
  51     private static final Path MODS_DIR = Paths.get("mods");
  52 
  53     // the names of the modules in this test
  54     private static List<String> modules = Arrays.asList("m1", "m2", "test");
  55 
  56 
  57     /**
  58      * Compiles all modules used by the test
  59      */
  60     @BeforeTest
  61     public void compileAll() throws Exception {
  62         for (String mn : modules) {
  63             Path src = SRC_DIR.resolve(mn);
  64             Path mods = MODS_DIR.resolve(mn);
  65             assertTrue(CompilerUtils.compile(src, mods));
  66         }
  67         Path srcMisc = SRC_DIR.resolve("misc");
  68         Path modsMisc = MODS_DIR.resolve("misc");
  69         assertTrue(CompilerUtils.compile(srcMisc, modsMisc));
  70     }
  71 
  72     /**
  73      * Sanity check that the test runs without error.
  74      */
  75     public void testNoOverlappingPackages() throws Exception {
  76         int exitValue
  77             = executeTestJava("--module-path", MODS_DIR.toString(),
  78                               "-m", "test/test.Main")
  79                 .outputTo(System.out)
  80                 .errorTo(System.err)
  81                 .getExitValue();
  82 
  83         assertTrue(exitValue == 0);
  84     }
  85 
  86 
  87     /**
  88      * Run the test with "--add-modules misc", the misc module has package
  89      * jdk.internal.misc and so should overlap with the base module.
  90      */
  91     public void testOverlapWithBaseModule() throws Exception {
  92         int exitValue
  93             = executeTestJava("--module-path", MODS_DIR.toString(),
  94                               "-add-modules", "misc",
  95                               "-m", "test/test.Main")
  96                 .outputTo(System.out)
  97                 .errorTo(System.err)
  98                 .getExitValue();
  99 
 100         assertTrue(exitValue != 0);
 101     }
 102 
 103     /**
 104      * Run the test with "--add-modules m1,m2". Both modules have package p.
 105      */
 106     public void testOverlap() throws Exception {
 107         int exitValue
 108             = executeTestJava("--module-path", MODS_DIR.toString(),
 109                               "--add-modules", "m1,m2",
 110                               "-m", "test/test.Main")
 111                 .outputTo(System.out)
 112                 .errorTo(System.err)
 113                 .getExitValue();
 114 
 115         assertTrue(exitValue != 0);
 116     }
 117 
 118 
 119 }