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1 /* |
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2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any 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 6622232 |
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27 * @summary javap gets whitespace confused |
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28 */ |
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29 |
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30 import java.io.*; |
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31 |
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32 public class T6622232 { |
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33 public static void main(String[] args) throws Exception { |
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34 new T6622232().run(); |
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35 } |
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36 |
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37 public void run() throws IOException { |
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38 File javaFile = writeTestFile(); |
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39 File classFile = compileTestFile(javaFile); |
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40 String output = javap(classFile); |
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41 |
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42 // these are all examples of bad whitespace from old javap |
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43 verifyNot(output, |
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44 "\\Q Constant value: int 3Deprecated: true\\E", |
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45 "^Deprecated: true", |
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46 "\\Q throws java.lang.Exception, java.lang.Error Deprecated: true\\E" |
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47 ); |
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48 |
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49 if (errors > 0) |
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50 throw new Error(errors + " found."); |
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51 } |
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52 |
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53 File writeTestFile() throws IOException { |
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54 File f = new File("Test.java"); |
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55 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f))); |
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56 out.println("class Test { "); |
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57 out.println(" @Deprecated static final int f1 = 3;"); |
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58 out.println(" @Deprecated int f2;"); |
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59 out.println(" @Deprecated void m() throws Exception, Error { }"); |
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60 out.println("}"); |
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61 out.close(); |
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62 return f; |
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63 } |
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64 |
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65 File compileTestFile(File f) { |
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66 int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() }); |
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67 if (rc != 0) |
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68 throw new Error("compilation failed. rc=" + rc); |
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69 String path = f.getPath(); |
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70 return new File(path.substring(0, path.length() - 5) + ".class"); |
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71 } |
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72 |
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73 String javap(File f) { |
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74 StringWriter sw = new StringWriter(); |
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75 PrintWriter out = new PrintWriter(sw); |
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76 int rc = com.sun.tools.javap.Main.run(new String[] { "-v", f.getPath() }, out); |
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77 if (rc != 0) |
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78 throw new Error("javap failed. rc=" + rc); |
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79 out.close(); |
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80 System.out.println(sw.toString()); |
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81 return sw.toString(); |
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82 } |
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83 |
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84 void verifyNot(String output, String... unexpects) { |
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85 for (String unexpect: unexpects) { |
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86 if (output.matches(unexpect)) |
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87 error(unexpect + " unexpectedly found"); |
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88 } |
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89 } |
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90 |
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91 void error(String msg) { |
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92 System.err.println(msg); |
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93 errors++; |
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94 } |
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95 |
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96 int errors; |
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97 } |