public void EqualsOperator_ShouldBeTrue_WhenBothObjectsAreNull()
{
StubValueObject a = null;
StubValueObject b = null;
(a == b).Should().BeTrue("both objects are null");
}
public void NotEqualsOperator_ShouldBeTrue_WhenValuesAreDifferent()
{
var compare = new StubValueObject("Mike", "Walsh");
(this.sut != compare).Should()
.BeTrue("the objects do not match");
}
public void Equals_ShouldBeFalse_WhenValuesAreDifferent()
{
var compare = new StubValueObject("Mike", "Walsh");
this.sut.Equals(compare).Should()
.BeFalse("both objects differ");
}
public void Equals_ShouldBeFalse_WhenComparedWithNull()
{
StubValueObject empty = null;
this.sut.Equals(empty).Should()
.BeFalse("system under test is being compared with null");
}
public void Equals_ShouldBeTrue_WhenValuesAreIdentical()
{
var compare = new StubValueObject("Chester", "Copperpot");
this.sut.Equals(compare).Should()
.BeTrue("both objects share the same value");
}
public void EqualityTests()
{
var instance0 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "Seattle"
};
var instance1 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "Seattle"
};
var instance2 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "New York"
};
instance0.ShouldBe(instance1);
instance1.ShouldBe(instance1);
instance1.ShouldNotBe(instance2);
}
public void EqualityTests()
{
var instance0 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "Seattle"
};
var instance1 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "Seattle"
};
var instance2 = new StubValueObject
{
StreetName = "One Microsoft Way",
HouseNumber = 1,
City = "New York"
};
instance0.Equals(instance1).ShouldBeTrue(); //IEquatable (equals)
instance0.ShouldBe(instance1);
(instance0 == instance1).ShouldBeTrue(); // operator
instance1.ShouldBe(instance1);
#pragma warning disable CS1718 // Comparison made to same variable
(instance1 == instance1).ShouldBeTrue(); // operator
#pragma warning restore CS1718 // Comparison made to same variable
instance1.ShouldNotBe(instance2);
instance0.Equals(instance2).ShouldBeFalse(); // IEquatable
}
public void GetHashCode_ShouldCreateValidHashCode()
{
var hashA = this.sut.GetHashCode();
var hashB = new StubValueObject("Chester", "Copperpot").GetHashCode();
hashA.Should()
.Be(
hashB,
"both objects share the same value");
}
public ValueObjectTests()
{
this.sut = new StubValueObject("Chester", "Copperpot");
}