1 /*

     2  * Copyright (c) 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  * @summary jdeps should flag jdk.unsupported exported API as internal

    27  * @modules jdk.jdeps/com.sun.tools.jdeps

    28  * @build Foo

    29  * @run testng JDKUnsupportedTest

    30  */

    31 

    32 import java.io.PrintWriter;

    33 import java.io.StringWriter;

    34 import java.nio.file.Path;

    35 import java.nio.file.Paths;

    36 import java.util.*;

    37 import java.util.regex.*;

    38 

    39 import org.testng.annotations.DataProvider;

    40 import org.testng.annotations.Test;

    41 import static org.testng.Assert.assertTrue;

    42 

    43 public class JDKUnsupportedTest {

    44     private static final String TEST_CLASSES = System.getProperty("test.classes");

    45     @DataProvider(name = "data")

    46     public Object[][] expected() {

    47         return new Object[][]{

    48             { "Foo.class", new String[][] {

    49                                new String[] { "java.lang", "java.base" },

    50                                new String[] { "sun.misc", "JDK internal API (java.base)" }

    51                            }

    52             }

    53         };

    54     }

    55 

    56     @Test(dataProvider = "data")

    57     public void test(String filename, String[][] expected) {

    58         Path path = Paths.get(TEST_CLASSES, filename);

    59 

    60         Map<String, String> result = jdeps("-M", path.toString());

    61         for (String[] e : expected) {

    62             String pn = e[0];

    63             String module = e[1];

    64             assertTrue(module.equals(result.get(pn)));

    65         }

    66     }

    67 

    68     private static Map<String,String> jdeps(String... args) {

    69         StringWriter sw = new StringWriter();

    70         PrintWriter pw = new PrintWriter(sw);

    71         System.err.println("jdeps " + Arrays.toString(args));

    72         int rc = com.sun.tools.jdeps.Main.run(args, pw);

    73         pw.close();

    74         String out = sw.toString();

    75         if (!out.isEmpty())

    76             System.err.println(out);

    77         if (rc != 0)

    78             throw new Error("jdeps failed: rc=" + rc);

    79         return findDeps(out);

    80     }

    81 

    82     // Pattern used to parse lines

    83     private static Pattern linePattern = Pattern.compile(".*\r?\n");

    84     private static Pattern pattern = Pattern.compile("\\s+ -> (\\S+) +(.*)");

    85 

    86     // Use the linePattern to break the given String into lines, applying

    87     // the pattern to each line to see if we have a match

    88     private static Map<String,String> findDeps(String out) {

    89         Map<String,String> result = new LinkedHashMap<>();

    90         Matcher lm = linePattern.matcher(out);  // Line matcher

    91         Matcher pm = null;                      // Pattern matcher

    92         int lines = 0;

    93         while (lm.find()) {

    94             lines++;

    95             CharSequence cs = lm.group();       // The current line

    96             if (pm == null)

    97                 pm = pattern.matcher(cs);

    98             else

    99                 pm.reset(cs);

   100             if (pm.find())

   101                 result.put(pm.group(1), pm.group(2).trim());

   102             if (lm.end() == out.length())

   103                 break;

   104         }

   105         return result;

   106     }

   107 }