public void IList_NonGeneric_Insert_NegativeIndex_ThrowsException(int count)
{
if (!IsReadOnly && !ExpectedFixedSize)
{
IList list = NonGenericIListFactory(count);
object validAdd = CreateT(0);
Assert.Throws(IList_NonGeneric_Item_InvalidIndex_ThrowType, () => list.Insert(-1, validAdd));
Assert.Throws(IList_NonGeneric_Item_InvalidIndex_ThrowType, () => list.Insert(int.MinValue, validAdd));
Assert.Equal(count, list.Count);
}
}