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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package org.openjdk.bench.java.lang; 26 27 import org.openjdk.jmh.annotations.Benchmark; 28 import org.openjdk.jmh.annotations.BenchmarkMode; 29 import org.openjdk.jmh.annotations.Mode; 30 import org.openjdk.jmh.annotations.OutputTimeUnit; 31 import org.openjdk.jmh.annotations.Param; 32 import org.openjdk.jmh.annotations.Scope; 33 import org.openjdk.jmh.annotations.State; 34 35 import java.util.concurrent.TimeUnit; 36 37 @BenchmarkMode(Mode.AverageTime) 38 @OutputTimeUnit(TimeUnit.NANOSECONDS) 39 @State(Scope.Thread) 40 public class Characters { 41 42 @Param({"9", "48", "65", "97", "170", "192", "223"}) 43 private int codePoint; 44 45 @Benchmark 46 public boolean isDigit() { 47 return Character.isDigit(codePoint); 48 } 49 50 @Benchmark 51 public boolean isLowerCase() { 52 return Character.isLowerCase(codePoint); 53 } 54 55 @Benchmark 56 public boolean isUpperCase() { 57 return Character.isUpperCase(codePoint); 58 } 59 60 @Benchmark 61 public boolean isWhitespace() { 62 return Character.isWhitespace(codePoint); 63 } 64 }