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1 /* |
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8032814 |
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27 * @summary LineNumberTable/LocalVariableTable tables duplication for the |
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28 * "-v -l" combination of options |
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29 * @compile -g T8032814.java |
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30 * @run main T8032814 |
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31 */ |
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32 |
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33 import java.io.*; |
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34 import java.util.*; |
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35 |
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36 public class T8032814 { |
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37 public static void main(String... args) throws Exception { |
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38 new T8032814().run(); |
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39 } |
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40 |
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41 void run() throws Exception { |
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42 Class<?> clazz = T8032814.class; |
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43 int count = clazz.getDeclaredConstructors().length |
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44 + clazz.getDeclaredMethods().length; |
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45 test(clazz, 0); |
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46 test(clazz, count, "-v"); |
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47 test(clazz, count, "-l"); |
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48 test(clazz, count, "-v", "-l"); |
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49 |
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50 if (errors > 0) |
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51 throw new Exception(errors + " errors occurred"); |
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52 } |
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53 |
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54 void test(Class<?> clazz, int expectedCount, String... opts) throws Exception { |
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55 System.err.println("test class " + clazz.getName() + " " + Arrays.asList(opts) + ": expect: " + expectedCount); |
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56 List<String> args = new ArrayList<String>(); |
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57 args.addAll(Arrays.asList(opts)); |
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58 args.addAll(Arrays.asList("-classpath", System.getProperty("test.classes"))); |
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59 args.add(clazz.getName()); |
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60 StringWriter sw = new StringWriter(); |
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61 PrintWriter pw = new PrintWriter(sw); |
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62 int rc = com.sun.tools.javap.Main.run(args.toArray(new String[args.size()]), pw); |
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63 pw.close(); |
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64 String out = sw.toString(); |
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65 if (rc != 0) |
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66 throw new Exception("javap failed unexpectedly: rc=" + rc); |
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67 |
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68 int lntCount = 0, lvtCount = 0; |
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69 for (String line: out.split("[\r\n]+")) { |
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70 if (line.matches("^ *LineNumberTable:$")) |
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71 lntCount++; |
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72 if (line.matches("^ *LocalVariableTable:$")) |
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73 lvtCount++; |
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74 } |
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75 checkEqual("LineNumberTable", lntCount, expectedCount); |
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76 checkEqual("LocalVariableTable", lvtCount, expectedCount); |
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77 } |
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78 |
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79 void checkEqual(String attr, int found, int expect) { |
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80 if (found != expect) { |
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81 error("Unexpected number of occurrences of " + attr + "\n" + |
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82 "found: " + found + ", expected: " + expect); |
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83 } |
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84 } |
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85 |
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86 void error(String msg) { |
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87 System.err.println("Error: " + msg); |
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88 errors++; |
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89 } |
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90 |
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91 int errors = 0; |
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92 } |
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93 |