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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 benchmarks.regression;
import com.google.caliper.Runner;
import com.google.caliper.SimpleBenchmark;
import java.util.Formatter;
import java.util.Locale;
/**
* 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) {
Integer value = Integer.valueOf(1024); // We're not trying to benchmark boxing here.
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", value);
}
}
public void timeFormatter_OneIntArabic(int reps) {
Locale arabic = new Locale("ar");
Integer value = Integer.valueOf(1024); // We're not trying to benchmark boxing here.
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format(arabic, "this is a reasonably short string that has an int %d in it", value);
}
}
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(1024);
sb.append(" in it");
}
}
public void timeFormatter_OneHexInt(int reps) {
Integer value = Integer.valueOf(1024); // We're not trying to benchmark boxing here.
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has an int %x in it", value);
}
}
public void timeStringBuilder_OneHexInt(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(Integer.toHexString(1024));
sb.append(" in it");
}
}
public void timeFormatter_OneFloat(int reps) {
Float value = Float.valueOf(10.24f); // We're not trying to benchmark boxing here.
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has a float %f in it", value);
}
}
public void timeFormatter_OneFloat_dot2f(int reps) {
Float value = Float.valueOf(10.24f); // We're not trying to benchmark boxing here.
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has a float %.2f in it", value);
}
}
public void timeFormatter_TwoFloats(int reps) {
Float value = Float.valueOf(10.24f); // We're not trying to benchmark boxing here.
for (int i = 0; i < reps; i++) {
Formatter f = new Formatter();
f.format("this is a reasonably short string that has two floats %f and %f in it", value, value);
}
}
public void timeStringBuilder_OneFloat(int reps) {
for (int i = 0; i < reps; i++) {
StringBuilder sb = new StringBuilder();
sb.append("this is a reasonably short string that has a float ");
sb.append(10.24f);
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");
}
}
}
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