android-34/android/libcore/varhandles/VarHandleGetArrayLittleEndianStringPerfTest.java

/*
 * 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.
 */
// This file is generated by generate_java.py do not directly modify!
package android.libcore.varhandles;

import android.perftests.utils.BenchmarkState;
import android.perftests.utils.PerfStatusReporter;
import android.test.suitebuilder.annotation.LargeTest;

import androidx.test.runner.AndroidJUnit4;

import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.lang.invoke.MethodHandles;
import java.lang.invoke.VarHandle;

@RunWith(AndroidJUnit4.class)
@LargeTest
public class VarHandleGetArrayLittleEndianStringPerfTest {
    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
    static final String ELEMENT_VALUE = "qwerty";
    String[] mArray = {ELEMENT_VALUE};
    VarHandle mVh;

    public VarHandleGetArrayLittleEndianStringPerfTest() throws Throwable {
        mVh = MethodHandles.arrayElementVarHandle(String[].class);
    }

    @Before
    public void setup() {
        String v = (String) mVh.get(mArray, 0);
        if (v != ELEMENT_VALUE) {
            throw new RuntimeException("array element has unexpected value: " + v);
        }
    }

    @Test
    public void run() {
        String[] a = mArray;
        String x;
        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
        while (state.keepRunning()) {
            x = (String) mVh.get(a, 0);
            x = (String) mVh.get(a, 0);
        }
    }
}