public void Equals_OneIsNull_ShouldReturnFalse()
        {
            // Arrange
            var mockedElement = new Mock <IBuildingInfo>();

            mockedElement.SetupGet(x => x.Group).Returns(GROUP_FIRST);

            BuildingInfoComparer comparer = new BuildingInfoComparer();

            // Act/Assert
            Assert.False(comparer.Equals(mockedElement.Object, null));
            Assert.False(comparer.Equals(null, mockedElement.Object));
        }
        public void Equals_BothAreNull_ShouldReturnTrue()
        {
            // Arrange
            BuildingInfoComparer comparer = new BuildingInfoComparer();

            // Act/Assert
            Assert.True(comparer.Equals(null, null));
        }
        public void Equals_DifferentGroup_ShouldReturnFalse()
        {
            // Arrange
            var mockedElement1 = new Mock <IBuildingInfo>();

            mockedElement1.SetupGet(x => x.Group).Returns(GROUP_FIRST);

            var mockedElement2 = new Mock <IBuildingInfo>();

            mockedElement2.SetupGet(x => x.Group).Returns(GROUP_SECOND);

            BuildingInfoComparer comparer = new BuildingInfoComparer();

            // Act/Assert
            Assert.False(comparer.Equals(mockedElement1.Object, mockedElement2.Object));
        }