public void Struct_Equal()
{
PersonStruct p1 = new PersonStruct("Ehsan Sajjad");
PersonStruct p2 = new PersonStruct("Ahsan Sajjad");
PersonStruct p3 = new PersonStruct("Ehsan Sajjad");
Assert.That(p1.Equals(p3));
Assert.That((object)p1 != (object)p3);
Assert.That(!p1.Equals(p2));
}
void WhenTwoValuesAreTheSame_ShouldBeEqual()
{
var person = new PersonStruct()
{
FirstName = "John", LastName = "Smith"
};
var samePerson = person;
Assert.True(person.Equals(samePerson));
Assert.True(person.GetHashCode() == samePerson.GetHashCode());
Assert.True(person == samePerson);
Assert.False(person != samePerson);
}
public void Equals_SecondPersonIsNull_ReturnsFalse()
{
// Arrange
var p1 = new PersonStruct
{
FirstName = "Kim",
LastName = "Kuan"
};
// Act
var result = p1.Equals(null);
// Assert
Assert.IsFalse(result);
}
void WhenTwoStructsContainsDifferentValues_ShouldNotBeEqual()
{
var person = new PersonStruct()
{
FirstName = "John", LastName = "Smith"
};
var otherPerson = new PersonStruct()
{
FirstName = "Bob", LastName = "Smith"
};;
Assert.False(person.Equals(otherPerson));
Assert.False(person.GetHashCode() == otherPerson.GetHashCode());
Assert.False(person == otherPerson);
Assert.True(person != otherPerson);
}
public void Equals_SecondPersonHasIncompatibleType_ReturnsFalse()
{
// Arrange
var p1 = new PersonStruct
{
FirstName = "Kim",
LastName = "Kuan"
};
var p2 = new PersonClass
{
FirstName = "Kim",
LastName = "Kuan"
};
// Act
var result = p1.Equals(p2);
// Assert
Assert.IsFalse(result);
}
public void Equals_LastNamesNotEqual_ReturnsFalse()
{
// Arrange
var p1 = new PersonStruct
{
FirstName = "Kim",
LastName = "Kuan"
};
var p2 = new PersonStruct
{
FirstName = "Kim",
LastName = "Kuann"
};
// Act
var result = p1.Equals(p2);
// Assert
Assert.IsFalse(result);
}