AtomicEnumHistogramTest.java

/*
 * Copyright 2015 MiLaboratory.com
 *
 * 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 com.milaboratory.util;

import org.junit.Assert;
import org.junit.Test;

/**
 * Created by dbolotin on 29/10/15.
 */
public class AtomicEnumHistogramTest {
    @Test
    public void test1() throws Exception {
        AtomicEnumHistogram<TestEnum> hist = new AtomicEnumHistogram<>(TestEnum.class);
        hist.add(TestEnum.A);
        hist.add(TestEnum.B);
        hist.add(TestEnum.B);
        hist.add(null);

        Assert.assertArrayEquals(new String[]{"A", "B", "C", "null"}, hist.getLabels());
        Assert.assertArrayEquals(new long[]{1, 2, 0, 1}, hist.getHist());

        System.out.println(hist);
    }

    public enum TestEnum {
        A, B, C
    }
}