public void GetHashCode_new_entities_differ()
{
MockEntity e1 = new MockEntity()
{
id = 0, Guid = Guid.NewGuid().ToString()
};
MockEntity e2 = new MockEntity()
{
id = 0, Guid = Guid.NewGuid().ToString()
};
IEqualityComparer <MockEntity> comparer = new DbEntitiesComparer <MockEntity>();
Assert.AreNotEqual(comparer.GetHashCode(e1), comparer.GetHashCode(e2));
}
public void GetHashCode_persisted_entities_equal()
{
MockEntity e1 = new MockEntity()
{
id = 1
};
e1.MarkPersisted();
MockEntity e2 = new MockEntity()
{
id = 1
};
e2.MarkPersisted();
IEqualityComparer <MockEntity> comparer = new DbEntitiesComparer <MockEntity>();
Assert.AreEqual(comparer.GetHashCode(e1), comparer.GetHashCode(e2));
}