1 /* |
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2 * Copyright (c) 2015, 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 * Retrieves the array of offsets once with MemoryMapImage enabled once disabled. |
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26 * @test ImageAttributeOffsetsTest |
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27 * @summary Unit test for JVM_ImageAttributeOffsets() method |
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28 * @library /testlibrary /../../test/lib |
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29 * @build ImageAttributeOffsetsTest |
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30 * @run main ClassFileInstaller sun.hotspot.WhiteBox |
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31 * sun.hotspot.WhiteBox$WhiteBoxPermission |
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32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:+MemoryMapImage ImageAttributeOffsetsTest |
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33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-MemoryMapImage ImageAttributeOffsetsTest |
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34 */ |
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35 |
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36 import java.io.File; |
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37 import java.nio.ByteOrder; |
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38 import sun.hotspot.WhiteBox; |
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39 import static jdk.test.lib.Asserts.*; |
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40 |
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41 public class ImageAttributeOffsetsTest { |
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42 |
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43 public static final WhiteBox wb = WhiteBox.getWhiteBox(); |
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44 |
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45 public static void main(String... args) throws Exception { |
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46 String javaHome = System.getProperty("java.home"); |
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47 String imageFile = javaHome + File.separator + "lib" + File.separator |
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48 + "modules" + File.separator + "bootmodules.jimage"; |
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49 |
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50 if (!(new File(imageFile)).exists()) { |
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51 System.out.printf("Test skipped."); |
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52 return; |
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53 } |
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54 |
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55 boolean bigEndian = ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN; |
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56 long id = wb.imageOpenImage(imageFile, bigEndian); |
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57 boolean passed = true; |
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58 // Get offsets |
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59 int[] array = wb.imageAttributeOffsets(id); |
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60 assertNotNull(array, "Could not retrieve offsets of array"); |
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61 |
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62 wb.imageCloseImage(id); |
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63 } |
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64 } |
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