/*
 * Copyright 2015 Open Networking Laboratory
 *
 * 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.onosproject.net.device;

import org.junit.Test;
import org.onosproject.net.NetTestTools;

import com.google.common.testing.EqualsTester;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;

/**
 * DefaultPortStatistics unit tests.
 */
public class DefaultPortStatisticsTest {

    private final PortStatistics stats1 = DefaultPortStatistics.builder()
            .setBytesReceived(1)
            .setBytesSent(2)
            .setDurationNano(3)
            .setDurationSec(4)
            .setPacketsReceived(5)
            .setPacketsSent(6)
            .setPacketsRxDropped(7)
            .setPacketsRxErrors(8)
            .setPacketsTxDropped(9)
            .setPacketsTxErrors(10)
            .setPort(80)
            .setDeviceId(NetTestTools.did("1"))
            .build();

    private final PortStatistics stats2 = DefaultPortStatistics.builder()
            .setBytesReceived(1)
            .setBytesSent(2)
            .setDurationNano(3)
            .setDurationSec(4)
            .setPacketsReceived(5)
            .setPacketsSent(6)
            .setPacketsRxDropped(7)
            .setPacketsRxErrors(8)
            .setPacketsTxDropped(9)
            .setPacketsTxErrors(11)
            .setPort(80)
            .setDeviceId(NetTestTools.did("1"))
            .build();

    /**
     * Checks that the GroupOperation class is immutable.
     */
    @Test
    public void testImmutability() {
        assertThatClassIsImmutable(DefaultPortStatistics.class);
    }

    @Test
    public void testConstruction() {
        assertThat(stats1.bytesReceived(), is(1L));
        assertThat(stats1.bytesSent(), is(2L));
        assertThat(stats1.durationNano(), is(3L));
        assertThat(stats1.durationSec(), is(4L));
        assertThat(stats1.packetsReceived(), is(5L));
        assertThat(stats1.packetsSent(), is(6L));
        assertThat(stats1.packetsRxDropped(), is(7L));
        assertThat(stats1.packetsRxErrors(), is(8L));
        assertThat(stats1.packetsTxDropped(), is(9L));
        assertThat(stats1.packetsTxErrors(), is(10L));
        assertThat(stats1.port(), is(80));
    }

    /**
     * Tests the equals, hashCode and toString methods using Guava EqualsTester.
     */
    @Test
    public void testEquals() {
        new EqualsTester()
                .addEqualityGroup(stats1, stats1)
                .addEqualityGroup(stats2)
                .testEquals();
    }
}

@@ -640,16 +640,105 @@
 evice;%0A%0A
+import java.lang.reflect.Constructor;%0Aimport java.util.Arrays;%0A%0Aimport org.junit.Assert;%0A
 import o
@@ -935,16 +935,66 @@
 ers.is;%0A
+import static org.hamcrest.Matchers.notNullValue;%0A
 import s
@@ -3268,11 +3268,1126 @@
 );%0A    %7D
+%0A%0A    /**%0A     * Tests that the empty argument list constructor for serialization%0A     * is present and creates a proper object.%0A     */%0A    @Test%0A    public void testSerializerConstructor() %7B%0A        try %7B%0A            Constructor%5B%5D constructors = DefaultPortStatistics.class.getDeclaredConstructors();%0A            assertThat(constructors, notNullValue());%0A            Arrays.stream(constructors).filter(ctor -%3E%0A                ctor.getParameterTypes().length == 0)%0A                    .forEach(noParamsCtor -%3E %7B%0A                        try %7B%0A                            noParamsCtor.setAccessible(true);%0A                            DefaultPortStatistics stats =%0A                                    (DefaultPortStatistics) noParamsCtor.newInstance();%0A                            assertThat(stats, notNullValue());%0A                        %7D catch (Exception e) %7B%0A                            Assert.fail(%22Exception instantiating no parameters constructor%22);%0A                        %7D%0A                    %7D);%0A        %7D catch (Exception e) %7B%0A            Assert.fail(%22Exception looking up constructors%22);%0A        %7D%0A    %7D
 %0A%7D%0A

Improve coverage to cover private serialization constructor