| /* |
| * Copyright (c) 2017, 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 org.graalvm.compiler.replacements.test; |
| |
| import java.lang.reflect.Field; |
| |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.junit.Test; |
| |
| public class UnsafeBooleanAccessTest extends GraalCompilerTest { |
| |
| private static short onHeapMemory; |
| |
| private static final Object onHeapMemoryBase; |
| private static final long onHeapMemoryOffset; |
| |
| static { |
| try { |
| Field staticField = UnsafeBooleanAccessTest.class.getDeclaredField("onHeapMemory"); |
| onHeapMemoryBase = UNSAFE.staticFieldBase(staticField); |
| onHeapMemoryOffset = UNSAFE.staticFieldOffset(staticField); |
| } catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static boolean testGetBooleanSnippet() { |
| UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204); |
| return UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset); |
| } |
| |
| @Test |
| public void testGetBoolean() { |
| test("testGetBooleanSnippet"); |
| } |
| |
| public static short testPutBooleanSnippet() { |
| UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204); |
| boolean bool = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset); |
| UNSAFE.putBoolean(onHeapMemoryBase, onHeapMemoryOffset, bool); |
| return onHeapMemory; |
| } |
| |
| @Test |
| public void testPutBoolean() { |
| test("testPutBooleanSnippet"); |
| } |
| |
| public static boolean testAndBooleanSnippet() { |
| UNSAFE.putShort(onHeapMemoryBase, onHeapMemoryOffset, (short) 0x0204); |
| boolean bool0 = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset); |
| boolean bool1 = UNSAFE.getBoolean(onHeapMemoryBase, onHeapMemoryOffset + 1); |
| return bool0 & bool1; |
| } |
| |
| @Test |
| public void testAndBoolean() { |
| test("testAndBooleanSnippet"); |
| } |
| |
| } |