test/tools/javap/T8032814.java

changeset 0
959103a6100f
equal deleted inserted replaced
-1:000000000000 0:959103a6100f
1 /*
2 * Copyright (c) 2014, 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 8032814
27 * @summary LineNumberTable/LocalVariableTable tables duplication for the
28 * "-v -l" combination of options
29 * @compile -g T8032814.java
30 * @run main T8032814
31 */
32
33 import java.io.*;
34 import java.util.*;
35
36 public class T8032814 {
37 public static void main(String... args) throws Exception {
38 new T8032814().run();
39 }
40
41 void run() throws Exception {
42 Class<?> clazz = T8032814.class;
43 int count = clazz.getDeclaredConstructors().length
44 + clazz.getDeclaredMethods().length;
45 test(clazz, 0);
46 test(clazz, count, "-v");
47 test(clazz, count, "-l");
48 test(clazz, count, "-v", "-l");
49
50 if (errors > 0)
51 throw new Exception(errors + " errors occurred");
52 }
53
54 void test(Class<?> clazz, int expectedCount, String... opts) throws Exception {
55 System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount);
56 List<String> args = new ArrayList<String>();
57 args.addAll(Arrays.asList(opts));
58 args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes")));
59 args.add(clazz.getName());
60 StringWriter sw = new StringWriter();
61 PrintWriter pw = new PrintWriter(sw);
62 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw);
63 pw.close();
64 String out = sw.toString();
65 if (rc != 0)
66 throw new Exception("javap failed unexpectedly: rc=" + rc);
67
68 int lntCount = 0, lvtCount = 0;
69 for (String line: out.split("[\r\n]+")) {
70 if (line.matches("^ *LineNumberTable:$"))
71 lntCount++;
72 if (line.matches("^ *LocalVariableTable:$"))
73 lvtCount++;
74 }
75 checkEqual("LineNumberTable", lntCount, expectedCount);
76 checkEqual("LocalVariableTable", lvtCount, expectedCount);
77 }
78
79 void checkEqual(String attr, int found, int expect) {
80 if (found != expect) {
81 error("Unexpected number of occurrences of " + attr + "\n" +
82 "found: " + found + ", expected: " + expect);
83 }
84 }
85
86 void error(String msg) {
87 System.err.println("Error: " + msg);
88 errors++;
89 }
90
91 int errors = 0;
92 }
93

mercurial