1 /* |
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2 * Copyright (c) 2010, 2016, 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 6893943 6937318 |
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27 * @summary exit code from javah with no args is 0 |
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28 * @modules jdk.compiler/com.sun.tools.javah |
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29 */ |
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30 |
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31 import java.io.*; |
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32 import java.util.*; |
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33 |
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34 public class T6893943 { |
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35 static final String[] NO_ARGS = { "-XDsuppress-tool-removal-message" }; |
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36 static final String[] SUPPRESS_WARNING_PLUS_HELP = { "-XDsuppress-tool-removal-message", "-help" }; |
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37 static final String NEWLINE = System.getProperty("line.separator"); |
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38 |
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39 public static void main(String... args) throws Exception { |
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40 new T6893943().run(); |
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41 } |
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42 |
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43 void run() throws Exception { |
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44 testSimpleAPI(NO_ARGS, 1); |
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45 testSimpleAPI(SUPPRESS_WARNING_PLUS_HELP, 0); |
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46 testCommand(NO_ARGS, 1); |
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47 testCommand(SUPPRESS_WARNING_PLUS_HELP, 0); |
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48 } |
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49 |
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50 void testSimpleAPI(String[] args, int expect_rc) throws Exception { |
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51 System.err.println("Test simple api: " + Arrays.asList(args)); |
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52 StringWriter sw = new StringWriter(); |
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53 PrintWriter pw = new PrintWriter(sw); |
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54 int rc = com.sun.tools.javah.Main.run(args, pw); |
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55 pw.close(); |
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56 expect("testSimpleAPI", sw.toString(), rc, expect_rc); |
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57 } |
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58 |
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59 void testCommand(String[] args, int expect_rc) throws Exception { |
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60 System.err.println("Test command: " + Arrays.asList(args)); |
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61 File javaHome = new File(System.getProperty("java.home")); |
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62 List<String> command = new ArrayList<String>(); |
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63 command.add(new File(new File(javaHome, "bin"), "javah").getPath()); |
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64 command.addAll(Arrays.asList(args)); |
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65 //System.err.println("command: " + command); |
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66 |
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67 ProcessBuilder pb = new ProcessBuilder(command); |
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68 pb.redirectErrorStream(true); |
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69 Process p = pb.start(); |
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70 p.getOutputStream().close(); |
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71 StringWriter sw = new StringWriter(); |
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72 String line; |
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73 BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream())); |
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74 while ((line = in.readLine()) != null) |
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75 sw.write(line + NEWLINE); |
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76 int rc = p.waitFor(); |
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77 expect("testCommand", sw.toString(), rc, expect_rc); |
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78 } |
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79 |
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80 void expect(String name, String out, int actual_rc, int expect_rc) throws Exception { |
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81 if (out.isEmpty()) |
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82 throw new Exception("No output from javah"); |
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83 |
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84 if (actual_rc != expect_rc) |
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85 throw new Exception(name + ": unexpected exit: " + actual_rc + ", expected: " + expect_rc); |
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86 } |
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87 } |
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