1 /*
   2  * Copyright (c) 2015, 2017, 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 /test/lib
  27  * @modules jdk.compiler
  28  * @build OverlappingPackagesTest
  29  *        jdk.test.lib.compiler.CompilerUtils
  30  * @run testng OverlappingPackagesTest
  31  * @summary Basic test to ensure that startup fails if two or more modules
  32  *          in the boot Layer have the same package
  33  */
  34 
  35 import java.nio.file.Path;
  36 import java.nio.file.Paths;
  37 import java.util.Arrays;
  38 import java.util.List;
  39 
  40 import jdk.test.lib.compiler.CompilerUtils;
  41 import static jdk.test.lib.process.ProcessTools.*;
  42 
  43 import org.testng.annotations.BeforeTest;
  44 import org.testng.annotations.Test;
  45 import static org.testng.Assert.*;
  46 
  47 @Test
  48 public class OverlappingPackagesTest {
  49 
  50     private static final String TEST_SRC = System.getProperty("test.src");
  51 
  52     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
  53     private static final Path MODS_DIR = Paths.get("mods");
  54 
  55     // the names of the modules in this test
  56     private static List<String> modules = Arrays.asList("m1", "m2", "test");
  57 
  58 
  59     /**
  60      * Compiles all modules used by the test
  61      */
  62     @BeforeTest
  63     public void compileAll() throws Exception {
  64         for (String mn : modules) {
  65             Path src = SRC_DIR.resolve(mn);
  66             Path mods = MODS_DIR.resolve(mn);
  67             assertTrue(CompilerUtils.compile(src, mods));
  68         }
  69         Path srcMisc = SRC_DIR.resolve("misc");
  70         Path modsMisc = MODS_DIR.resolve("misc");
  71         assertTrue(CompilerUtils.compile(srcMisc, modsMisc));
  72     }
  73 
  74     /**
  75      * Sanity check that the test runs without error.
  76      */
  77     public void testNoOverlappingPackages() throws Exception {
  78         int exitValue
  79             = executeTestJava("--module-path", MODS_DIR.toString(),
  80                               "-m", "test/test.Main")
  81                 .outputTo(System.out)
  82                 .errorTo(System.err)
  83                 .getExitValue();
  84 
  85         assertTrue(exitValue == 0);
  86     }
  87 
  88 
  89     /**
  90      * Run the test with "--add-modules misc", the misc module has package
  91      * jdk.internal.misc and so should overlap with the base module.
  92      */
  93     public void testOverlapWithBaseModule() throws Exception {
  94         int exitValue
  95             = executeTestJava("--module-path", MODS_DIR.toString(),
  96                               "-add-modules", "misc",
  97                               "-m", "test/test.Main")
  98                 .outputTo(System.out)
  99                 .errorTo(System.err)
 100                 .getExitValue();
 101 
 102         assertTrue(exitValue != 0);
 103     }
 104 
 105     /**
 106      * Run the test with "--add-modules m1,m2". Both modules have package p.
 107      */
 108     public void testOverlap() throws Exception {
 109         int exitValue
 110             = executeTestJava("--module-path", MODS_DIR.toString(),
 111                               "--add-modules", "m1,m2",
 112                               "-m", "test/test.Main")
 113                 .outputTo(System.out)
 114                 .errorTo(System.err)
 115                 .getExitValue();
 116 
 117         assertTrue(exitValue != 0);
 118     }
 119 
 120 
 121 }