1 /*
2  * Copyright (c) 2006, 2015, 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
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22  */
23 
24 import java.io.File;
25 import java.io.PrintWriter;
26 import java.io.StringWriter;
27 import java.util.ArrayList;
28 import java.util.List;
29 
30 /*
31  * @test
32  * @bug 6873849
33  * @summary suppress notes generated by javac
34  * @modules jdk.compiler
35  */
36 
37 public class T6873849 {
main(String... args)38     public static void main(String... args) throws Exception {
39         new T6873849().run();
40     }
41 
run()42     public void run() throws Exception {
43         test(null, "- compiler.note.unchecked.filename: T6873849.java" + newline +
44                     "- compiler.note.unchecked.recompile" + newline);
45         test("-XDsuppressNotes", "");
46     }
47 
test(String opt, String expect)48     void test(String opt, String expect) throws Exception {
49         List<String> args = new ArrayList<String>();
50         if (opt != null)
51             args.add(opt);
52         args.add("-d");
53         args.add(testClasses.getPath());
54         args.add("-XDrawDiagnostics");
55         args.add(new File(testSrc, "T6873849.java").getPath());
56         StringWriter sw = new StringWriter();
57         PrintWriter pw = new PrintWriter(sw);
58         System.err.println("compile: " + args);
59         int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
60         pw.close();
61         String out = sw.toString();
62         System.out.println(out);
63         if (rc != 0)
64             throw new Exception("compilation failed unexpectedly");
65         if (!out.equals(expect))
66             throw new Exception("unexpected output from compiler");
67     }
68 
m(List t)69     void m(List t) {
70         // force a note about unchecked usage
71         t.add(new Object());
72     }
73 
74     private File testSrc = new File(System.getProperty("test.src", "."));
75     private File testClasses = new File(System.getProperty("test.classes", "."));
76     private String newline = System.getProperty("line.separator");
77 }
78