public void CanGetHashCode()
{
var id = Guid.Empty;
var testee = new ConcreteEntity(id);
testee.GetHashCode().Should().Be(391); // (17 * 23) + 0
}
public void Test_GetHashCode_identical_between_proxy_and_raw_instances()
{
var raw = new ConcreteEntity();
var proxy = EntityProxyFactory.CreateProxy(raw);
// the proxy and raw instance are not the same
Assert.IsFalse(ReferenceEquals(raw, proxy));
var x = raw.GetHashCode();
var y = proxy.GetHashCode();
// hash codes are same
Assert.AreEqual(x, y);
}
public void Test_GetHashCode_identical_between_proxy_and_raw_instances()
{
var raw = new ConcreteEntity();
var proxy = EntityProxyFactory.CreateProxy(raw);
// the proxy and raw instance are not the same
Assert.IsFalse(ReferenceEquals(raw, proxy));
var x = raw.GetHashCode();
var y = proxy.GetHashCode();
// hash codes are same
Assert.AreEqual(x, y);
}
public void Two_entities_with_the_same_Id_should_equal_each_other()
{
var first = new ConcreteEntity { Id = 99 };
var second = new ConcreteEntity { Id = 99 };
first.Equals(second).ShouldBeTrue();
second.Equals(first).ShouldBeTrue();
Equals(first, second).ShouldBeTrue();
Equals(second, first).ShouldBeTrue();
first.GetHashCode().ShouldEqual(second.GetHashCode());
(first == second).ShouldBeTrue();
(second == first).ShouldBeTrue();
(first != second).ShouldBeFalse();
(second != first).ShouldBeFalse();
}
public void Two_entities_with_different_Ids_should_not_equal_each_other()
{
var first = new ConcreteEntity { Id = 66 };
var second = new ConcreteEntity { Id = 77 };
first.Equals(second).ShouldBeFalse();
second.Equals(first).ShouldBeFalse();
Equals(first, second).ShouldBeFalse();
Equals(second, first).ShouldBeFalse();
first.GetHashCode().ShouldNotEqual(second.GetHashCode());
(first == second).ShouldBeFalse();
(second == first).ShouldBeFalse();
(first != second).ShouldBeTrue();
(second != first).ShouldBeTrue();
}
public void Two_entities_with_the_same_Id_should_equal_each_other()
{
var first = new ConcreteEntity {
Id = 99
};
var second = new ConcreteEntity {
Id = 99
};
first.Equals(second).ShouldBeTrue();
second.Equals(first).ShouldBeTrue();
Equals(first, second).ShouldBeTrue();
Equals(second, first).ShouldBeTrue();
first.GetHashCode().ShouldEqual(second.GetHashCode());
(first == second).ShouldBeTrue();
(second == first).ShouldBeTrue();
(first != second).ShouldBeFalse();
(second != first).ShouldBeFalse();
}
public void Two_entities_with_different_Ids_should_not_equal_each_other()
{
var first = new ConcreteEntity {
Id = 66
};
var second = new ConcreteEntity {
Id = 77
};
first.Equals(second).ShouldBeFalse();
second.Equals(first).ShouldBeFalse();
Equals(first, second).ShouldBeFalse();
Equals(second, first).ShouldBeFalse();
first.GetHashCode().ShouldNotEqual(second.GetHashCode());
(first == second).ShouldBeFalse();
(second == first).ShouldBeFalse();
(first != second).ShouldBeTrue();
(second != first).ShouldBeTrue();
}
