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/*
* 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;
@RunWith(AndroidJUnit4.class)
@LargeTest
public class StringIsEmptyPerfTest {
@Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
@Test
public void timeIsEmpty_NonEmpty() {
boolean result = true;
BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
while (state.keepRunning()) {
result &= !("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".isEmpty());
}
if (!result) throw new RuntimeException();
}
@Test
public void timeIsEmpty_Empty() {
boolean result = true;
BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
while (state.keepRunning()) {
result &= ("".isEmpty());
}
if (!result) throw new RuntimeException();
}
@Test
public void timeLengthEqualsZero() {
boolean result = true;
BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
while (state.keepRunning()) {
result &= !("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".length() == 0);
}
if (!result) throw new RuntimeException();
}
@Test
public void timeEqualsEmpty() {
boolean result = true;
BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
while (state.keepRunning()) {
result &= !"xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx".equals("");
}
if (!result) throw new RuntimeException();
}
}