1 /* 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test WhiteBox 26 * @bug 8011675 27 * @summary verify that whitebox can be used even if not all functions are declared in java-part 28 * @author igor.ignatyev@oracle.com 29 * @library /testlibrary 30 * @compile WhiteBox.java 31 * @run main ClassFileInstaller sun.hotspot.WhiteBox 32 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI sun.hotspot.WhiteBox 33 * @clean sun.hotspot.WhiteBox 34 */ 35 36 package sun.hotspot; 37 38 public class WhiteBox { 39 private static native void registerNatives(); 40 static { registerNatives(); } 41 public native int notExistedMethod(); 42 public native int getHeapOopSize(); 43 public static void main(String[] args) { 44 WhiteBox wb = new WhiteBox(); 45 if (wb.getHeapOopSize() < 0) { 46 throw new Error("wb.getHeapOopSize() < 0"); 47 } 48 boolean catched = false; 49 try { 50 wb.notExistedMethod(); 51 } catch (UnsatisfiedLinkError e) { 52 catched = true; 53 } 54 if (!catched) { 55 throw new Error("wb.notExistedMethod() was invoked"); 56 } 57 } 58 }