public void Equals_BothAreNull_ShouldReturnTrue()
{
// Arrange
BuildingInfoComparer comparer = new BuildingInfoComparer();
// Act/Assert
Assert.True(comparer.Equals(null, null));
}
public void GetHashCode_ElementIsNull_ShouldNotThrow()
{
// Arrange
BuildingInfoComparer comparer = new BuildingInfoComparer();
// Act
var hashCode = comparer.GetHashCode(null);
// Assert
Assert.Equal(-1, hashCode);
}
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_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));
}
public void GetHashCode_BothEqual_ShouldBeEqual()
{
// 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_FIRST);
BuildingInfoComparer comparer = new BuildingInfoComparer();
// Act
var hashCode1 = comparer.GetHashCode(mockedElement1.Object);
var hashCode2 = comparer.GetHashCode(mockedElement2.Object);
// Assert
Assert.Equal(hashCode1, hashCode2);
}