BoundsTypeVariableTest.java revision 2942:08092deced3f 
1/*
2 * Copyright (c) 2013, 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
21 * questions.
22 */
23
24/**
25 * @test
26 * @bug 8003537
27 * @summary javap should not use / in Bounds Type Variables
28 * @modules jdk.jdeps
29 */
30
31import java.io.File;
32import java.io.IOException;
33import java.io.PrintWriter;
34import java.io.StringWriter;
35import java.nio.charset.Charset;
36import java.nio.file.Files;
37import java.util.ArrayList;
38import java.util.List;
39import java.util.regex.Pattern;
40import static java.nio.file.StandardOpenOption.*;
41
42public class BoundsTypeVariableTest {
43    public static void main(String... args) throws Exception {
44        new BoundsTypeVariableTest().run();
45    }
46
47    void run() throws Exception {
48        File srcDir = new File("src");
49        srcDir.mkdirs();
50        File classesDir = new File("classes");
51        classesDir.mkdirs();
52        final String expect = "public abstract <U extends java.lang.Object> U doit();";
53        List<String> contents = new ArrayList<>();
54        contents.add("abstract class X {");
55        contents.add(expect);
56        contents.add("}");
57
58        File f = writeFile(new File(srcDir, "X.java"), contents);
59        javac("-d", classesDir.getPath(), f.getPath());
60        String out = javap("-p", "-v", new File(classesDir, "X.class").getPath());
61        if (!out.contains(expect)) {
62            throw new Exception("expected pattern not found: " + expect);
63        }
64    }
65
66    File writeFile(File f, List<String> body) throws IOException {
67        Files.write(f.toPath(), body, Charset.defaultCharset(),
68                CREATE, TRUNCATE_EXISTING);
69        return f;
70    }
71
72    void javac(String... args) throws Exception {
73        StringWriter sw = new StringWriter();
74        PrintWriter pw = new PrintWriter(sw);
75        int rc = com.sun.tools.javac.Main.compile(args, pw);
76        pw.flush();
77        String out = sw.toString();
78        if (!out.isEmpty())
79            System.err.println(out);
80        if (rc != 0)
81            throw new Exception("compilation failed");
82    }
83
84    String javap(String... args) throws Exception {
85        StringWriter sw = new StringWriter();
86        PrintWriter pw = new PrintWriter(sw);
87        int rc = com.sun.tools.javap.Main.run(args, pw);
88        pw.flush();
89        String out = sw.toString();
90        if (!out.isEmpty())
91            System.err.println(out);
92        if (rc != 0)
93            throw new Exception("javap failed");
94        return out;
95    }
96}
97