--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/UnsignedIntegerTest.java 2017-02-15 17:08:56.849683310 -0800 @@ -0,0 +1,85 @@ +/* + * Copyright (c) 2015, 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. + */ +package org.graalvm.compiler.replacements.test; + +import org.junit.Test; + +import org.graalvm.compiler.core.test.GraalCompilerTest; + +/** + * Tests the unsigned operations on {@link Integer} and {@link Long}. + */ +public class UnsignedIntegerTest extends GraalCompilerTest { + + public static int compareInteger(int a, int b) { + return Integer.compareUnsigned(a, b); + } + + public static int divideInteger(int a, int b) { + return Integer.divideUnsigned(a, b); + } + + public static int remainderInteger(int a, int b) { + return Integer.remainderUnsigned(a, b); + } + + public static long compareLong(long a, long b) { + return Long.compareUnsigned(a, b); + } + + public static long divideLong(long a, long b) { + return Long.divideUnsigned(a, b); + } + + public static long remainderLong(long a, long b) { + return Long.remainderUnsigned(a, b); + } + + private void testInteger(int a, int b) { + test("compareInteger", a, b); + test("divideInteger", a, b); + test("remainderInteger", a, b); + } + + private void testLong(long a, long b) { + test("compareLong", a, b); + test("divideLong", a, b); + test("remainderLong", a, b); + } + + @Test + public void testInteger() { + testInteger(5, 7); + testInteger(-3, -7); + testInteger(-3, 7); + testInteger(42, -5); + } + + @Test + public void testLong() { + testLong(5, 7); + testLong(-3, -7); + testLong(-3, 7); + testLong(42, -5); + } +}