// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

using System.Collections.Generic;

namespace System.Collections
{
    internal static class CollectionHelpers
    {
        internal static void ValidateCopyToArguments(int sourceCount, Array array, int index)
        {
            ArgumentNullException.ThrowIfNull(array);

            if (array.Rank != 1)
            {
                throw new ArgumentException(SR.Arg_RankMultiDimNotSupported, nameof(array));
            }

            if (array.GetLowerBound(0) != 0)
            {
                throw new ArgumentException(SR.Arg_NonZeroLowerBound, nameof(array));
            }

            ArgumentOutOfRangeException.ThrowIfNegative(index);
            ArgumentOutOfRangeException.ThrowIfGreaterThan(index, array.Length);

            if (array.Length - index < sourceCount)
            {
                throw new ArgumentException(SR.Arg_ArrayPlusOffTooSmall);
            }
        }
    }
}