PreconditionTest.java example

Explorer
calcite-master
/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you 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 org.apache.calcite.benchmarks;

import com.google.common.base.Preconditions;

import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.profile.GCProfiler;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

/**
 * Checks if silent precondition has noticeable overhead
 */
@BenchmarkMode(Mode.AverageTime)
@State(Scope.Benchmark)
public class PreconditionTest {
  boolean fire = false;
  String param = "world";

  public void testPrecondition() {
    Preconditions.checkState(fire, "Hello %s", param);
  }

  public static void main(String[] args) throws RunnerException {
    Options opt = new OptionsBuilder()
        .include(PreconditionTest.class.getSimpleName())
        .addProfiler(GCProfiler.class)
        .detectJvmArgs()
        .build();

    new Runner(opt).run();
  }

}

// End PreconditionTest.java