--- /dev/null 2018-05-09 12:22:01.004600734 +0200 +++ new/test/hotspot/jtreg/runtime/valhalla/valuetypes/ValueWithJni.java 2018-05-21 11:52:19.052187157 +0200 @@ -0,0 +1,79 @@ + +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package runtime.valhalla.valuetypes; + +/* @test + * @summary test JNI functions with values + * @run main/othervm/native -Xint -XX:+EnableValhalla runtime.valhalla.valuetypes.ValueWithJni + */ +public __ByValue final class ValueWithJni { + + static { + System.loadLibrary("ValueWithJni"); + } + + public static void main(String[] args) { + testJniMonitorOps(); + } + + final int x; + private ValueWithJni() { x = 0; } + + public native void doJniMonitorEnter(); + public native void doJniMonitorExit(); + + public static ValueWithJni createValueWithJni(int x) { + ValueWithJni v = __MakeDefault ValueWithJni(); + v = __WithField(v.x, x); + return v; + } + + public static void testJniMonitorOps() { + boolean sawImse = false; + try { + createValueWithJni(0).doJniMonitorEnter(); + } catch (Throwable t) { + sawImse = checkImse(t); + } + if (!sawImse) { + throw new RuntimeException("JNI MonitorEnter did not fail"); + } + sawImse = false; + try { + createValueWithJni(0).doJniMonitorExit(); + } catch (Throwable t) { + sawImse = checkImse(t); + } + if (!sawImse) { + throw new RuntimeException("JNI MonitorExit did not fail"); + } + } + + static boolean checkImse(Throwable t) { + if (t instanceof IllegalMonitorStateException) { + return true; + } + throw new RuntimeException(t); + } +}