diff -r f7339cba0a6a -r d4b650e48a8f hotspot/test/runtime/Unsafe/GetPutShort.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hotspot/test/runtime/Unsafe/GetPutShort.java Fri Jan 23 11:44:21 2015 -0800 @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2015, 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. + */ + +/* + * @test + * @summary Verify behaviour of Unsafe.get/putShort + * @library /testlibrary + * @run main GetPutShort + */ + +import java.lang.reflect.Field; +import com.oracle.java.testlibrary.*; +import sun.misc.Unsafe; +import static com.oracle.java.testlibrary.Asserts.*; + +public class GetPutShort { + public static void main(String args[]) throws Exception { + Unsafe unsafe = Utils.getUnsafe(); + Test t = new Test(); + Field field = Test.class.getField("s"); + + int offset = unsafe.fieldOffset(field); + assertEquals((short)-1, unsafe.getShort(t, offset)); + unsafe.putShort(t, offset, (short)0); + assertEquals((short)0, unsafe.getShort(t, offset)); + + long address = unsafe.allocateMemory(8); + unsafe.putShort(address, (short)1); + assertEquals((short)1, unsafe.getShort(address)); + unsafe.freeMemory(address); + + short arrayShort[] = { -1, 0, 1, 2 }; + int scale = unsafe.arrayIndexScale(arrayShort.getClass()); + offset = unsafe.arrayBaseOffset(arrayShort.getClass()); + for (int i = 0; i < arrayShort.length; i++) { + assertEquals(unsafe.getShort(arrayShort, offset), arrayShort[i]); + offset += scale; + } + } + + static class Test { + public short s = -1; + } +}