// Check.cs
//
// Author:
//   Jb Evain (jbevain@novell.com)
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#if !NET_4_6
namespace System.Linq.Reimplement
{
    internal static class LinqCheck
    {
        public static void FirstAndSecond(object first, object second)
        {
            if (first == null)
            {
                throw new ArgumentNullException("first");
            }
            if (second == null)
            {
                throw new ArgumentNullException("second");
            }
        }

        public static void GroupBySelectors(object source, object keySelector, object elementSelector, object resultSelector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (keySelector == null)
            {
                throw new ArgumentNullException("keySelector");
            }
            if (elementSelector == null)
            {
                throw new ArgumentNullException("elementSelector");
            }
            if (resultSelector == null)
            {
                throw new ArgumentNullException("resultSelector");
            }
        }

        public static void JoinSelectors(object outer, object inner, object outerKeySelector, object innerKeySelector, object resultSelector)
        {
            if (outer == null)
            {
                throw new ArgumentNullException("outer");
            }
            if (inner == null)
            {
                throw new ArgumentNullException("inner");
            }
            if (outerKeySelector == null)
            {
                throw new ArgumentNullException("outerKeySelector");
            }
            if (innerKeySelector == null)
            {
                throw new ArgumentNullException("innerKeySelector");
            }
            if (resultSelector == null)
            {
                throw new ArgumentNullException("resultSelector");
            }
        }

        public static void Source(object source)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
        }

        public static void Source1AndSource2(object source1, object source2)
        {
            if (source1 == null)
            {
                throw new ArgumentNullException("source1");
            }
            if (source2 == null)
            {
                throw new ArgumentNullException("source2");
            }
        }

        public static void SourceAndCollectionSelectorAndResultSelector(object source, object collectionSelector, object resultSelector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (collectionSelector == null)
            {
                throw new ArgumentNullException("collectionSelector");
            }
            if (resultSelector == null)
            {
                throw new ArgumentNullException("resultSelector");
            }
        }

        public static void SourceAndCollectionSelectors(object source, object collectionSelector, object selector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (collectionSelector == null)
            {
                throw new ArgumentNullException("collectionSelector");
            }
            if (selector == null)
            {
                throw new ArgumentNullException("selector");
            }
        }

        public static void SourceAndFunc(object source, object func)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (func == null)
            {
                throw new ArgumentNullException("func");
            }
        }

        public static void SourceAndFuncAndSelector(object source, object func, object selector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (func == null)
            {
                throw new ArgumentNullException("func");
            }
            if (selector == null)
            {
                throw new ArgumentNullException("selector");
            }
        }

        public static void SourceAndKeyElementSelectors(object source, object keySelector, object elementSelector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (keySelector == null)
            {
                throw new ArgumentNullException("keySelector");
            }
            if (elementSelector == null)
            {
                throw new ArgumentNullException("elementSelector");
            }
        }

        public static void SourceAndKeyResultSelectors(object source, object keySelector, object resultSelector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (keySelector == null)
            {
                throw new ArgumentNullException("keySelector");
            }
            if (resultSelector == null)
            {
                throw new ArgumentNullException("resultSelector");
            }
        }

        public static void SourceAndKeySelector(object source, object keySelector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (keySelector == null)
            {
                throw new ArgumentNullException("keySelector");
            }
        }

        public static void SourceAndPredicate(object source, object predicate)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (predicate == null)
            {
                throw new ArgumentNullException("predicate");
            }
        }

        public static void SourceAndSelector(object source, object selector)
        {
            if (source == null)
            {
                throw new ArgumentNullException("source");
            }
            if (selector == null)
            {
                throw new ArgumentNullException("selector");
            }
        }
    }
}
#endif