| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * 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 android.libcore.regression; |
| |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| import android.test.suitebuilder.annotation.LargeTest; |
| |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.math.BigDecimal; |
| import java.text.DecimalFormat; |
| import java.text.NumberFormat; |
| import java.util.Locale; |
| |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class DecimalFormatPerfTest { |
| @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| private static final String EXP_PATTERN = "##E0"; |
| |
| private static final DecimalFormat DF = (DecimalFormat) DecimalFormat.getInstance(); |
| // Keep PATTERN_INSTANCE for timing with patterns, to not dirty the plain instance. |
| private static final DecimalFormat PATTERN_INSTANCE = (DecimalFormat) |
| DecimalFormat.getInstance(); |
| private static final DecimalFormat DF_CURRENCY_US = (DecimalFormat) |
| NumberFormat.getCurrencyInstance(Locale.US); |
| private static final DecimalFormat DF_CURRENCY_FR = (DecimalFormat) |
| NumberFormat.getInstance(Locale.FRANCE); |
| |
| private static final BigDecimal BD10E3 = new BigDecimal("10E3"); |
| private static final BigDecimal BD10E9 = new BigDecimal("10E9"); |
| private static final BigDecimal BD10E100 = new BigDecimal("10E100"); |
| private static final BigDecimal BD10E1000 = new BigDecimal("10E1000"); |
| |
| private static final int WHOLE_NUMBER = 10; |
| private static final double TWO_DP_NUMBER = 3.14; |
| |
| public void formatWithGrouping(Object obj) { |
| DF.setGroupingSize(3); |
| DF.setGroupingUsed(true); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DF.format(obj); |
| } |
| } |
| |
| public void format(String pattern, Object obj) { |
| PATTERN_INSTANCE.applyPattern(pattern); |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| PATTERN_INSTANCE.format(obj); |
| } |
| } |
| |
| public void format(Object obj) { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DF.format(obj); |
| } |
| } |
| |
| public void formatToCharacterIterator(Object obj) { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DF.formatToCharacterIterator(obj); |
| } |
| } |
| |
| |
| public void formatCurrencyUS(Object obj) { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DF_CURRENCY_US.format(obj); |
| } |
| } |
| |
| public void formatCurrencyFR(Object obj) { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| DF_CURRENCY_FR.format(obj); |
| } |
| } |
| |
| @Test |
| public void time_formatGrouping_BigDecimal10e3() { |
| formatWithGrouping(BD10E3); |
| } |
| |
| @Test |
| public void time_formatGrouping_BigDecimal10e9() { |
| formatWithGrouping(BD10E9); |
| } |
| |
| @Test |
| public void time_formatGrouping_BigDecimal10e100() { |
| formatWithGrouping(BD10E100); |
| } |
| |
| @Test |
| public void time_formatGrouping_BigDecimal10e1000() { |
| formatWithGrouping(BD10E1000); |
| } |
| |
| @Test |
| public void time_formatBigDecimal10e3() { |
| format(BD10E3); |
| } |
| |
| @Test |
| public void time_formatBigDecimal10e9() { |
| format(BD10E9); |
| } |
| |
| @Test |
| public void time_formatBigDecimal10e100() { |
| format(BD10E100); |
| } |
| |
| @Test |
| public void time_formatBigDecimal10e1000() { |
| format(BD10E1000); |
| } |
| |
| @Test |
| public void time_formatPi() { |
| format(Math.PI); |
| } |
| |
| @Test |
| public void time_formatE() { |
| format(Math.E); |
| } |
| |
| @Test |
| public void time_formatUSD() { |
| formatCurrencyUS(WHOLE_NUMBER); |
| } |
| |
| @Test |
| public void time_formatUsdWithCents() { |
| formatCurrencyUS(TWO_DP_NUMBER); |
| } |
| |
| @Test |
| public void time_formatEur() { |
| formatCurrencyFR(WHOLE_NUMBER); |
| } |
| |
| @Test |
| public void time_formatEurWithCents() { |
| formatCurrencyFR(TWO_DP_NUMBER); |
| } |
| |
| @Test |
| public void time_formatAsExponent10e3() { |
| format(EXP_PATTERN, BD10E3); |
| } |
| |
| @Test |
| public void time_formatAsExponent10e9() { |
| format(EXP_PATTERN, BD10E9); |
| } |
| |
| @Test |
| public void time_formatAsExponent10e100() { |
| format(EXP_PATTERN, BD10E100); |
| } |
| |
| @Test |
| public void time_formatAsExponent10e1000() { |
| format(EXP_PATTERN, BD10E1000); |
| } |
| |
| @Test |
| public void time_formatToCharacterIterator10e3() { |
| formatToCharacterIterator(BD10E3); |
| } |
| |
| @Test |
| public void time_formatToCharacterIterator10e9() { |
| formatToCharacterIterator(BD10E9); |
| } |
| |
| @Test |
| public void time_formatToCharacterIterator10e100() { |
| formatToCharacterIterator(BD10E100); |
| } |
| |
| @Test |
| public void time_formatToCharacterIterator10e1000() { |
| formatToCharacterIterator(BD10E1000); |
| } |
| |
| @Test |
| public void time_instantiation() { |
| BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| new DecimalFormat(); |
| } |
| } |
| } |