ONAP-XACML/src/test/java/org/onap/policy/xacml/test/util/MetricsUtilTest.java


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/*-
 * ============LICENSE_START=======================================================
 * ONAP-XACML
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (C) 2019 Samsung
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.policy.xacml.test.util;

import static org.junit.Assert.*;
import org.junit.Test;
import org.onap.policy.xacml.util.MetricsUtil;

public class MetricsUtilTest {

    @Test
    public void metricsUtilTest() {
        MetricsUtil.AvgLatency avgLatency = new MetricsUtil.AvgLatency();
        avgLatency.compute(0);
        assertTrue(avgLatency.avg() == 0);
        avgLatency.compute(2);
        assertTrue(avgLatency.avg() == 1);
        avgLatency.reset();
        assertTrue(avgLatency.avg() == 0);

        MetricsUtil.MaxLatency maxLatency = new MetricsUtil.MaxLatency();
        maxLatency.compute(2);
        assertTrue(maxLatency.max() == 2);
        maxLatency.reset();
        assertTrue(maxLatency.max() < 0);

        MetricsUtil.MinLatency minLatency = new MetricsUtil.MinLatency();
        minLatency.compute(2);
        assertTrue(minLatency.min() == 2);
        minLatency.reset();
        assertTrue(minLatency.min() > 0);
    }

}