1 /*
   2  * Copyright (c) 2007, 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  * @bug 6627364 6627366
  27  * @summary Synthesize important classes if they are missing from the (boot)classpath
  28  * @modules jdk.compiler
  29  */
  30 
  31 import java.io.*;
  32 import java.util.*;
  33 
  34 public class Main
  35 {
  36     File testSrc = new File(System.getProperty("test.src"));
  37 
  38     public static void main(String[] args) throws Exception {
  39         new Main().run();
  40     }
  41 
  42     public void run() throws Exception {
  43 
  44         // compile with standard bootclasspath
  45         compile(true, "Test.java");
  46 
  47         // compile with various missing system classes
  48 
  49         List<String> base_files = Arrays.asList(
  50             "Boolean.java",
  51             "Byte.java",
  52             "Character.java",
  53             "Integer.java",
  54             "Long.java",
  55             "Number.java",
  56             "Object.java",
  57             "Short.java",
  58             "Void.java"
  59         );
  60 
  61         List<String> extra_files = Arrays.asList(
  62             "Double.java",
  63             "Float.java",
  64             "Cloneable.java",
  65             "Serializable.java"
  66         );
  67 
  68         List<String> files = new ArrayList<String>();
  69         files.addAll(base_files);
  70         files.add("Test.java");
  71 
  72         compile(false, files);
  73 
  74         for (String f: extra_files) {
  75             files = new ArrayList<String>();
  76             files.addAll(base_files);
  77             files.addAll(extra_files);
  78             files.remove(f);
  79             files.add("Test.java");
  80             compile(false, files);
  81         }
  82 
  83         if (errors > 0)
  84             throw new Exception(errors + " errors occurred");
  85     }
  86 
  87     void compile(boolean stdBootClassPath, String... files) {
  88         compile(stdBootClassPath, Arrays.asList(files));
  89     }
  90 
  91     void compile(boolean stdBootClassPath, List<String> files) {
  92         File empty = new File("empty");
  93         empty.mkdirs();
  94 
  95         // files to compile are in a separate directory from test to avoid
  96         // confusing jtreg
  97         File src = new File(testSrc, "src");
  98 
  99         List<String> args = new ArrayList<String>();
 100         args.add("-classpath");
 101         args.add("empty");
 102 
 103         if (stdBootClassPath) {
 104             args.add("--patch-module");
 105             args.add("java.base=" + testSrc.getAbsolutePath());
 106         } else {
 107             args.add("--system");
 108             args.add("none");
 109             files.add("module-info.java");
 110         }
 111 
 112 
 113         args.add("-d");
 114         args.add(".");
 115 
 116         for (String f: files)
 117             args.add(new File(src, f).getPath());
 118 
 119         System.out.println("Compile: " + args);
 120         StringWriter out = new StringWriter();
 121         int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]),
 122                                                   new PrintWriter(out));
 123         System.out.println(out.toString());
 124         System.out.println("result: " + rc);
 125         System.out.println();
 126 
 127         if (rc != 0)
 128             errors++;
 129     }
 130 
 131     private int errors;
 132 }
 133 
 134