| /* |
| * Copyright (C) 2009 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.caliper.examples; |
| |
| import com.google.caliper.Benchmark; |
| import com.google.caliper.DefaultBenchmarkSuite; |
| import com.google.caliper.Param; |
| import com.google.caliper.Runner; |
| |
| import java.util.Formatter; |
| |
| /** |
| * Compares Formatter against hand-written StringBuilder code. |
| */ |
| public class FormatterBenchmarkSuite extends DefaultBenchmarkSuite { |
| |
| class Formatter_NoFormatting extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| Formatter f = new Formatter(); |
| f.format("this is a reasonably short string that doesn't actually need any formatting"); |
| } |
| return null; |
| } |
| } |
| |
| class StringBuilder_NoFormatting extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("this is a reasonably short string that doesn't actually need any formatting"); |
| } |
| return null; |
| } |
| } |
| |
| class Formatter_OneInt extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| Formatter f = new Formatter(); |
| f.format("this is a reasonably short string that has an int %d in it", i); |
| } |
| return null; |
| } |
| } |
| |
| class StringBuilder_OneInt extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("this is a reasonably short string that has an int "); |
| sb.append(i); |
| sb.append(" in it"); |
| } |
| return null; |
| } |
| } |
| |
| class Formatter_OneString extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| Formatter f = new Formatter(); |
| f.format("this is a reasonably short string that has a string %s in it", "hello"); |
| } |
| return null; |
| } |
| } |
| |
| class StringBuilder_OneString extends Benchmark { |
| public Object run(int trials) { |
| for (int i = 0; i < trials; i++) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("this is a reasonably short string that has a string "); |
| sb.append("hello"); |
| sb.append(" in it"); |
| } |
| return null; |
| } |
| } |
| |
| public static void main(String[] args) { |
| Runner.main(FormatterBenchmarkSuite.class, args); |
| } |
| } |