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 
32 import java.io.*;
33 import java.util.*;
34 
35 public class T6868539
36 
37 {
main(String... args)38     public static void main(String... args) {
39         new T6868539().run();
40     }
41 
run()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 
verify(String output, String... expects)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 
error(String msg)70     void error(String msg) {
71         System.err.println(msg);
72         errors++;
73     }
74 
75     int errors;
76 
javap(String className)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 
m(Runnable r)97     void m(Runnable r) { r.run(); }
98 }
99 
100