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/*
* 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 examples;
import com.google.caliper.Runner;
import com.google.caliper.SimpleBenchmark;
import java.util.Formatter;
/**
* Compares Formatter against hand-written StringBuilder code.
*/
public class FormatterBenchmark extends SimpleBenchmark {
public void timeFormatter_NoFormatting(int reps) {
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that doesn't actually need any formatting");
}
}
public void timeStringBuilder_NoFormatting(int reps) {
for (int i = 0; i < reps; i++) {
StringBuilder sb = new StringBuilder();
sb.append("this is a reasonably short string that doesn't actually need any formatting");
}
}
public void timeFormatter_OneInt(int reps) {
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has an int %d in it", i);
}
}
public void timeStringBuilder_OneInt(int reps) {
for (int i = 0; i < reps; i++) {
StringBuilder sb = new StringBuilder();
sb.append("this is a reasonably short string that has an int ");
sb.append(i);
sb.append(" in it");
}
}
public void timeFormatter_OneString(int reps) {
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has a string %s in it", "hello");
}
}
public void timeStringBuilder_OneString(int reps) {
for (int i = 0; i < reps; i++) {
StringBuilder sb = new StringBuilder();
sb.append("this is a reasonably short string that has a string ");
sb.append("hello");
sb.append(" in it");
}
}
public static void main(String[] args) throws Exception {
Runner.main(FormatterBenchmark.class, args);
}
}
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