public void GetHasCode_ObjectsHaveSameValues_HashMatches()
{
//Arrange
var sut = new FirstDescendantValueObject();
var sameValues = new FirstDescendantValueObject();
//Act
int value1 = sut.GetHashCode();
int value2 = sameValues.GetHashCode();
//Assert
Assert.AreEqual(value1, value2);
}
public void GetHasCode_ObjectsAreTheSameReference_HashMatches()
{
//Arrange
var sut = new FirstDescendantValueObject();
var sameObject = sut;
//Act
int value1 = sut.GetHashCode();
int value2 = sameObject.GetHashCode();
//Assert
Assert.AreEqual(value1, value2);
}
public void GetHasCode_FirstDescendantPrivateClassIsDifferent_HashAreNotEqual()
{
//Arrange
var sut = new FirstDescendantValueObject();
var nonMatch = new FirstDescendantValueObject();
nonMatch.SetPrivateClassFieldToNull();
//Act
int value1 = sut.GetHashCode();
int value2 = nonMatch.GetHashCode();
//Assert
Assert.AreNotEqual(value1, value2);
}
public void GetHasCode_FirstDescendantPublicClassIsDifferent_HashAreNotEqual()
{
//Arrange
var sut = new FirstDescendantValueObject();
var nonMatch = new FirstDescendantValueObject
{
ClassField = new Tuple <int>(2)
};
//Act
int value1 = sut.GetHashCode();
int value2 = nonMatch.GetHashCode();
//Assert
Assert.AreNotEqual(value1, value2);
}
public void GetHasCode_FirstDescendantPublicStructIsDifferent_HashAreNotEqual()
{
//Arrange
var sut = new FirstDescendantValueObject();
var nonMatch = new FirstDescendantValueObject
{
StructField = "other string"
};
//Act
int value1 = sut.GetHashCode();
int value2 = nonMatch.GetHashCode();
//Assert
Assert.AreNotEqual(value1, value2);
}