public void Equals_returns_true_if_entity_types_and_values_are_equal([Frozen] IGetsEntityTypeForIdentityEquality equalityTypeProvider,
IdentityEqualityComparer sut,
IIdentity identity1,
IIdentity identity2)
{
Mock.Get(identity1).SetupGet(x => x.Value).Returns(1);
Mock.Get(identity1).SetupGet(x => x.EntityType).Returns(typeof(Cat));
Mock.Get(equalityTypeProvider).Setup(x => x.GetIdentityEqualityType(typeof(Cat))).Returns(typeof(Animal));
Mock.Get(identity2).SetupGet(x => x.Value).Returns(1);
Mock.Get(identity2).SetupGet(x => x.EntityType).Returns(typeof(Dog));
Mock.Get(equalityTypeProvider).Setup(x => x.GetIdentityEqualityType(typeof(Dog))).Returns(typeof(Animal));
Assert.That(sut.Equals(identity1, identity2), Is.True);
}
public void GetHashCode_gets_hash_code_equal_to_hash_of_entity_type_and_identity_value([Frozen] IGetsEntityTypeForIdentityEquality equalityTypeProvider,
IdentityEqualityComparer sut,
IIdentity identity)
{
Mock.Get(identity).SetupGet(x => x.Value).Returns(55);
Mock.Get(identity).SetupGet(x => x.EntityType).Returns(typeof(Cat));
Mock.Get(equalityTypeProvider).Setup(x => x.GetIdentityEqualityType(typeof(Cat))).Returns(typeof(Animal));
Assert.That(sut.GetHashCode(identity), Is.EqualTo(55.GetHashCode() ^ typeof(Animal).GetHashCode()));
}
/// <summary>
/// Initializes a new instance of the <see cref="IdentityEqualityComparer"/> class.
/// </summary>
/// <param name="identityEqualityTypeProvider">An identity equality type provider implementation (use <c>null</c> here to select a default implementation).</param>
public IdentityEqualityComparer(IGetsEntityTypeForIdentityEquality identityEqualityTypeProvider = null)
{
this.identityEqualityTypeProvider = identityEqualityTypeProvider ?? new EntityIdentityEqualityTypeProvider();
}
