public void Delegate_accessor_always_creates_collections_that_use_reference_equality_comparer()
{
IMutableModel model = new Model();
var entityType = model.AddEntityType(typeof(MyEntity));
var otherType = model.AddEntityType(typeof(MyEntityWithCustomComparer));
var foreignKey = otherType.AddForeignKey(
otherType.AddProperty("MyEntityId", typeof(int)),
entityType.SetPrimaryKey(entityType.AddProperty("Id", typeof(int))),
entityType);
var navigation = foreignKey.SetPrincipalToDependent(
typeof(MyEntity).GetProperty(
nameof(MyEntity.AsICollectionWithCustomComparer),
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
RunConvention(navigation);
var accessor = new ClrCollectionAccessorFactory().Create((INavigation)navigation);
var entity = new MyEntity(initialize: false);
var value = new MyEntityWithCustomComparer {
Id = 1
};
Assert.False(accessor.Contains(entity, value));
accessor.Add(entity, value, forMaterialization: false);
value.Id = 42;
accessor.Add(entity, value, forMaterialization: false);
Assert.Equal(1, entity.AsICollectionWithCustomComparer.Count);
}
public void Delegate_accessor_always_creates_collections_that_use_reference_equality_comparer()
{
var model = new Model();
var entityType = model.AddEntityType(typeof(MyEntity));
var otherType = model.AddEntityType(typeof(MyEntityWithCustomComparer));
var foreignKey = otherType.GetOrAddForeignKey(
otherType.AddProperty("MyEntityId", typeof(int)),
entityType.GetOrSetPrimaryKey(entityType.AddProperty("Id", typeof(int))),
entityType);
var navigation = foreignKey.HasPrincipalToDependent(
typeof(MyEntity).GetProperty(
nameof(MyEntity.AsICollectionWithCustomComparer),
BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance));
new BackingFieldConvention(new TestLogger <DbLoggerCategory.Model>()).Apply(foreignKey.Builder, navigation);
var accessor = new ClrCollectionAccessorFactory().Create(navigation);
var entity = new MyEntity(initialize: false);
var value = new MyEntityWithCustomComparer
{
Id = 1
};
Assert.False(accessor.Contains(entity, value));
accessor.Add(entity, value);
value.Id = 42;
accessor.Add(entity, value);
Assert.Equal(1, entity.AsICollectionWithCustomComparer.Count);
}
