ApacheDoubleTest.java

package nl.jqno.equalsverifier;

import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
import org.junit.Test;

public class ApacheDoubleTest {

    static final class Doubler {
        private final double d;

        public Doubler(double d) { this.d = d; }

        @Override
        public boolean equals(Object obj) {
            if (!(obj instanceof Doubler)) {
                return false;
            }
            Doubler other = (Doubler)obj;
            return new EqualsBuilder()
                    .append(d, other.d)
                    .isEquals();
        }

        @Override
        public int hashCode() {
            return new HashCodeBuilder()
                    .append(d)
                    .toHashCode();
        }
    }

    @Test
    public void apacheDouble() {
        EqualsVerifier.forClass(Doubler.class)
                .verify();
    }

}

`package com.intl.cigna.ecommerce.local.eis.domain.model;

import nl.jqno.equalsverifier.EqualsVerifier;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
import org.junit.Test;

public class ApacheDoubleTest {

static final class Doubler {
    private final double d;

    private int someOtherField;
    public Doubler(double d) { this.d = d; }

    @Override
    public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (null == obj || (obj.getClass() != this.getClass())) {
            return false;
        }
        Doubler other = (Doubler)obj;
        return new EqualsBuilder()
                .append("someOtherField", other.someOtherField)
                .append(d, other.d)
                .isEquals();
    }

    @Override
    public int hashCode() {
        return new HashCodeBuilder()
                .append(d)
                .toHashCode();
    }
}

@Test
public void apacheDouble() {
    EqualsVerifier.forClass(Doubler.class).verify();
}

}`