T6868539.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2009, 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 6868539 6868548 8035364
27 * @summary javap should use current names for constant pool entries,
28 *              remove spurious ';' from constant pool entries
29 * @modules jdk.jdeps/com.sun.tools.javap
30 */
31
32import java.io.*;
33import java.util.*;
34
35public class T6868539
36
37{
38    public static void main(String... args) {
39        new T6868539().run();
40    }
41
42    void run() {
43        String output = javap("T6868539");
44        verify(output, "Utf8 +java/lang/String");                                   // 1: Utf8
45                                                                                    // 2: currently unused
46        verify(output, "Integer +123456");                                          // 3: Integer
47        verify(output, "Float +123456.0f");                                         // 4: Float
48        verify(output, "Long +123456l");                                            // 5: Long
49        verify(output, "Double +123456.0d");                                        // 6: Double
50        verify(output, "Class +#[0-9]+ +// +T6868539");                             // 7: Class
51        verify(output, "String +#[0-9]+ +// +not found");                           // 8: String
52        verify(output, "Fieldref +#[0-9]+\\.#[0-9]+ +// +T6868539.errors:I");       // 9: Fieldref
53        verify(output, "Methodref +#[0-9]+\\.#[0-9]+ +// +T6868539.run:\\(\\)V");   // 10: Methodref
54        verify(output, "InterfaceMethodref +#[0-9]+\\.#[0-9]+ +// +java/lang/Runnable\\.run:\\(\\)V");
55                                                                                    // 11: InterfaceMethodref
56        verify(output, "NameAndType +#[0-9]+:#[0-9]+ +// +run:\\(\\)V");            // 12: NameAndType
57        if (errors > 0)
58            throw new Error(errors + " found.");
59    }
60
61    String notFound = " not found";
62
63    void verify(String output, String... expects) {
64        for (String expect: expects) {
65            if (!output.matches("(?s).*" + expect + ".*"))
66                error(expect + notFound);
67        }
68    }
69
70    void error(String msg) {
71        System.err.println(msg);
72        errors++;
73    }
74
75    int errors;
76
77    String javap(String className) {
78        String testClasses = System.getProperty("test.classes", ".");
79        StringWriter sw = new StringWriter();
80        PrintWriter out = new PrintWriter(sw);
81        String[] args = { "-v", "-classpath", testClasses, className };
82        int rc = com.sun.tools.javap.Main.run(args, out);
83        if (rc != 0)
84            throw new Error("javap failed. rc=" + rc);
85        out.close();
86        String output = sw.toString();
87        System.out.println("class " + className);
88        System.out.println(output);
89        return output;
90    }
91
92    int i = 123456;
93    float f = 123456.f;
94    double d = 123456.;
95    long l = 123456L;
96
97    void m(Runnable r) { r.run(); }
98}
99
100