/*
 * Copyright (c) 2001-2017, Zoltan Farkas All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * Additionally licensed with:
 *
 * 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 org.spf4j.stackmonitor;

import java.util.Map;
import java.util.function.Supplier;
import org.junit.Assert;
import org.junit.Test;
import org.spf4j.base.ExecutionContext;

/**
 *
 * @author Zoltan Farkas
 */
public class TracingExecutionContexSamplerTest {


  @Test
  public void tesECtSampler() {
    TracingExecutionContexSampler sampler = new TracingExecutionContexSampler(
            new Supplier<Iterable<Map.Entry<Thread, ExecutionContext>>>() {
              public Iterable<Map.Entry<Thread, ExecutionContext>> get() {
                return java.util.Collections.EMPTY_LIST;
              }
            },
             (a) -> "GLOBAL");
    sampler.sample();
    Map<String, SampleNode> sampleMap = sampler.getCollectionsAndReset();
    Assert.assertTrue(sampleMap.isEmpty());
  }

}
