public void MergeWith_returns_same_instance_if_other_is_same_or_null()
{
var attribute = new IndexAttribute();
Assert.Same(attribute, attribute.MergeWith(attribute));
Assert.Same(attribute, attribute.MergeWith(null));
}
private static void MergeLists(
ICollection <IndexAttribute> existingIndexes,
IEnumerable <IndexAttribute> newIndexes,
PropertyInfo propertyInfo)
{
foreach (IndexAttribute newIndex in newIndexes)
{
IndexAttribute index = newIndex;
if (index == null)
{
throw new ArgumentNullException("indexAttribute");
}
IndexAttribute other = existingIndexes.SingleOrDefault <IndexAttribute>((Func <IndexAttribute, bool>)(i => i.Name == index.Name));
if (other == null)
{
existingIndexes.Add(index);
}
else
{
CompatibilityResult compatibilityResult = index.IsCompatibleWith(other, false);
if ((bool)compatibilityResult)
{
existingIndexes.Remove(other);
existingIndexes.Add(index.MergeWith(other, false));
}
else
{
string str = Environment.NewLine + "\t" + compatibilityResult.ErrorMessage;
throw new InvalidOperationException(propertyInfo == (PropertyInfo)null ? Strings.ConflictingIndexAttribute((object)other.Name, (object)str) : Strings.ConflictingIndexAttributesOnProperty((object)propertyInfo.Name, (object)propertyInfo.ReflectedType.Name, (object)other.Name, (object)str));
}
}
}
}
public void Add(string columnName, IndexAttribute index)
{
DebugCheck.NotEmpty(columnName);
DebugCheck.NotNull(index);
Debug.Assert(_index.Name == index.Name);
if (_columns.ContainsKey(index.Order))
{
throw new InvalidOperationException(
Strings.OrderConflictWhenConsolidating(index.Name, _table, index.Order, _columns[index.Order], columnName));
}
_columns[index.Order] = columnName;
var compat = _index.IsCompatibleWith(index, ignoreOrder: true);
if (!compat)
{
throw new InvalidOperationException(Strings.ConflictWhenConsolidating(index.Name, _table, compat.ErrorMessage));
}
_index = _index.MergeWith(index, ignoreOrder: true);
}