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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 CdsWriteError
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26 * @summary Test how VM handles situation when it is impossible to write the
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27 * CDS archive. VM is expected to exit gracefully and display the
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28 * correct reason for the error.
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29 * @library /testlibrary
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30 * @run main CdsWriteError
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31 */
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32
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33 import com.oracle.java.testlibrary.*;
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34 import java.io.File;
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35
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36 public class CdsWriteError {
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37 public static void main(String[] args) throws Exception {
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38
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39 if (Platform.isWindows()) {
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40 System.out.println("This test is ignored on Windows. This test " +
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41 "manipulates folder writable attribute, which is known to be " +
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42 "often ignored by Windows");
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43
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44 return;
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45 }
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46
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47 String folderName = "tmp";
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48 String fileName = folderName + File.separator + "empty.jsa";
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49
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50 // create an empty archive file and make it read only
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51 File folder = new File(folderName);
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52 if (!folder.mkdir())
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53 throw new RuntimeException("Error when creating a tmp folder");
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54
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55 File cdsFile = new File(fileName);
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56 if (!cdsFile.createNewFile())
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57 throw new RuntimeException("Error when creating an empty CDS file");
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58 if (!cdsFile.setWritable(false))
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59 throw new RuntimeException("Error: could not set writable attribute on cds file");
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60 if (!folder.setWritable(false))
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61 throw new RuntimeException("Error: could not set writable attribute on the cds folder");
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62
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63 try {
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64 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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65 "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./" + fileName, "-Xshare:dump");
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66
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67 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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68 output.shouldContain("Unable to create shared archive file");
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69 output.shouldHaveExitValue(1);
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70 } finally {
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71 // doing this, just in case, to make sure that files can be deleted by the harness
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72 // on any subsequent run
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73 folder.setWritable(true);
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74 cdsFile.setWritable(true);
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75 }
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76 }
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77 }
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78
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