T8132857.java revision 3503:c06787799b4b 
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 * @bug 8132857
27 * @summary Verify an up-to-date name for UTF-8 encoding is provided in error messages.
28 * @modules jdk.compiler
29 */
30
31import java.io.*;
32import java.nio.charset.Charset;
33
34public class T8132857 {
35    public static void main(String... args) throws Exception{
36        new T8132857().run();
37    }
38
39    void run() throws IOException {
40        if (!Charset.defaultCharset().equals(Charset.forName("UTF-8"))) {
41            System.err.println("skipping test, default charset is not UTF-8");
42            return;
43        }
44
45        File src = new File("src");
46        src.mkdirs();
47        try (OutputStream out = new FileOutputStream(new File(src, "Test.java"))) {
48            out.write('/');
49            out.write('/');
50            out.write(0b1100_0000);
51            out.write('a');
52        }
53
54        try (StringWriter out = new StringWriter(); PrintWriter pw = new PrintWriter(out)) {
55            int rc = com.sun.tools.javac.Main.compile(new String[] {"-XDrawDiagnostics", "src/Test.java"}, pw);
56
57            pw.flush();
58
59            String lineSeparator = System.getProperty("line.separator");
60            String expected =
61                    "Test.java:1:3: compiler.err.illegal.char.for.encoding: C0, UTF-8" + lineSeparator +
62                    "1 error" + lineSeparator;
63            String actual = out.toString();
64
65            System.err.println(actual);
66
67            if (rc == 0) {
68                throw new Error("compilation unexpectedly passed: " + rc);
69            }
70
71            if (!expected.equals(actual)) {
72                throw new Error("unexpected output: " + actual);
73            }
74        }
75    }
76
77}
78
79