1 /*
2  * Copyright (c) 2007, 2008, 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  */
29 
30 import java.io.*;
31 import java.util.*;
32 
33 public class Main
34 {
35     File testSrc = new File(System.getProperty("test.src"));
36 
main(String[] args)37     public static void main(String[] args) throws Exception {
38         new Main().run();
39     }
40 
run()41     public void run() throws Exception {
42 
43         // compile with standard bootclasspath
44         compile(true, "Test.java");
45 
46         // compile with various missing system classes
47 
48         List<String> base_files = Arrays.asList(
49             "Boolean.java",
50             "Byte.java",
51             "Character.java",
52             "Integer.java",
53             "Long.java",
54             "Number.java",
55             "Object.java",
56             "Short.java",
57             "Void.java"
58         );
59 
60         List<String> extra_files = Arrays.asList(
61             "Double.java",
62             "Float.java",
63             "Cloneable.java",
64             "Serializable.java"
65         );
66 
67         List<String> files = new ArrayList<String>();
68         files.addAll(base_files);
69         files.add("Test.java");
70 
71         compile(false, files);
72 
73         for (String f: extra_files) {
74             files = new ArrayList<String>();
75             files.addAll(base_files);
76             files.addAll(extra_files);
77             files.remove(f);
78             files.add("Test.java");
79             compile(false, files);
80         }
81 
82         if (errors > 0)
83             throw new Exception(errors + " errors occurred");
84     }
85 
compile(boolean stdBootClassPath, String... files)86     void compile(boolean stdBootClassPath, String... files) {
87         compile(stdBootClassPath, Arrays.asList(files));
88     }
89 
compile(boolean stdBootClassPath, List<String> files)90     void compile(boolean stdBootClassPath, List<String> files) {
91         File empty = new File("empty");
92         empty.mkdirs();
93 
94         List<String> args = new ArrayList<String>();
95         args.add("-classpath");
96         args.add("empty");
97 
98         if (!stdBootClassPath) {
99             args.add("-bootclasspath");
100             args.add("empty");
101         }
102         args.add("-d");
103         args.add(".");
104         for (String f: files)
105             args.add(new File(testSrc, f).getPath());
106 
107         System.out.println("Compile: " + args);
108         StringWriter out = new StringWriter();
109         int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]),
110                                                   new PrintWriter(out));
111         System.out.println(out.toString());
112         System.out.println("result: " + rc);
113         System.out.println();
114 
115         if (rc != 0)
116             errors++;
117     }
118 
119     private int errors;
120 }
121 
122 
123