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1 /* |
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2 * Copyright (c) 2013, 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 8006334 |
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27 * @summary javap: JavapTask constructor breaks with null pointer exception if |
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28 * parameter options is null |
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29 */ |
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30 |
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31 import java.io.File; |
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32 import java.util.Arrays; |
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33 import java.io.PrintWriter; |
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34 import java.io.StringWriter; |
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35 import java.util.List; |
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36 import java.util.Locale; |
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37 import javax.tools.Diagnostic; |
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38 import javax.tools.DiagnosticCollector; |
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39 import javax.tools.JavaFileManager; |
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40 import javax.tools.JavaFileObject; |
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41 import com.sun.tools.javap.JavapFileManager; |
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42 import com.sun.tools.javap.JavapTask; |
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43 |
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44 public class JavapTaskCtorFailWithNPE { |
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45 |
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46 //we will also check the output just to confirm that we get the expected one |
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47 private static final String expOutput = |
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48 "Compiled from \"JavapTaskCtorFailWithNPE.java\"\n" + |
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49 "public class JavapTaskCtorFailWithNPE {\n" + |
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50 " public JavapTaskCtorFailWithNPE();\n" + |
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51 " public static void main(java.lang.String[]);\n" + |
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52 "}\n"; |
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53 |
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54 public static void main(String[] args) { |
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55 new JavapTaskCtorFailWithNPE().run(); |
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56 } |
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57 |
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58 private void run() { |
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59 File classToCheck = new File(System.getProperty("test.classes"), |
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60 getClass().getSimpleName() + ".class"); |
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61 |
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62 DiagnosticCollector<JavaFileObject> dc = |
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63 new DiagnosticCollector<JavaFileObject>(); |
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64 StringWriter sw = new StringWriter(); |
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65 PrintWriter pw = new PrintWriter(sw); |
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66 JavaFileManager fm = JavapFileManager.create(dc, pw); |
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67 JavapTask t = new JavapTask(pw, fm, dc, null, |
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68 Arrays.asList(classToCheck.getPath())); |
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69 boolean ok = t.run(); |
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70 if (!ok) |
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71 throw new Error("javap failed unexpectedly"); |
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72 |
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73 List<Diagnostic<? extends JavaFileObject>> diags = dc.getDiagnostics(); |
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74 for (Diagnostic<? extends JavaFileObject> d: diags) { |
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75 if (d.getKind() == Diagnostic.Kind.ERROR) |
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76 throw new AssertionError(d.getMessage(Locale.ENGLISH)); |
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77 } |
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78 String lineSep = System.getProperty("line.separator"); |
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79 String out = sw.toString().replace(lineSep, "\n"); |
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80 if (!out.equals(expOutput)) { |
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81 throw new AssertionError("The output is not equal to the one expected"); |
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82 } |
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83 } |
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84 |
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85 } |