1 /* 2 * Copyright (c) 2018, 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 package runtime.valhalla.valuetypes; 25 26 /* @test 27 * @summary test JNI functions with values 28 * @compile -XDemitQtypes -XDallowWithFieldOperator ValueWithJni.java 29 * @run main/othervm/native -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueWithJni 30 * @run main/othervm/native -Xcomp -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueWithJni 31 */ 32 public value final class ValueWithJni { 33 34 static { 35 System.loadLibrary("ValueWithJni"); 36 } 37 38 public static void main(String[] args) { 39 testJniMonitorOps(); 40 } 41 42 final int x; 43 private ValueWithJni() { x = 0; } 44 45 public native void doJniMonitorEnter(); 46 public native void doJniMonitorExit(); 47 48 public static ValueWithJni createValueWithJni(int x) { 49 ValueWithJni v = ValueWithJni.default; 50 v = __WithField(v.x, x); 51 return v; 52 } 53 54 public static void testJniMonitorOps() { 55 boolean sawImse = false; 56 try { 57 createValueWithJni(0).doJniMonitorEnter(); 58 } catch (Throwable t) { 59 sawImse = checkImse(t); 60 } 61 if (!sawImse) { 62 throw new RuntimeException("JNI MonitorEnter did not fail"); 63 } 64 sawImse = false; 65 try { 66 createValueWithJni(0).doJniMonitorExit(); 67 } catch (Throwable t) { 68 sawImse = checkImse(t); 69 } 70 if (!sawImse) { 71 throw new RuntimeException("JNI MonitorExit did not fail"); 72 } 73 } 74 75 static boolean checkImse(Throwable t) { 76 if (t instanceof IllegalMonitorStateException) { 77 return true; 78 } 79 throw new RuntimeException(t); 80 } 81 }