Exemplo n.º 1
0
        private static object GetValueFromCollection(ICollection collection, int index)
        {
            Array array = collection as Array;

            if (array != null && array.Rank > 1)
            {
                return(array.GetValue(MsgUtils.GetArrayIndicesFromCollectionIndex(array, index)));
            }

            if (collection is IList)
            {
                return(((IList)collection)[index]);
            }

            foreach (object obj in collection)
            {
                if (--index < 0)
                {
                    return(obj);
                }
            }

            return(null);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Displays a single line showing the point in the expected and actual
        /// arrays at which the comparison failed. If the arrays have different
        /// structures or dimensions, both values are shown.
        /// </summary>
        /// <param name="writer">The MessageWriter on which to display</param>
        /// <param name="expected">The expected array</param>
        /// <param name="actual">The actual array</param>
        /// <param name="failurePoint">Index of the failure point in the underlying collections</param>
        /// <param name="indent">The indentation level for the message line</param>
        private void DisplayFailurePoint(MessageWriter writer, ICollection expected, ICollection actual, int failurePoint, int indent)
        {
            Array expectedArray = expected as Array;
            Array actualArray   = actual as Array;

            int expectedRank = expectedArray != null ? expectedArray.Rank : 1;
            int actualRank   = actualArray != null ? actualArray.Rank : 1;

            bool useOneIndex = expectedRank == actualRank;

            if (expectedArray != null && actualArray != null)
            {
                for (int r = 1; r < expectedRank && useOneIndex; r++)
                {
                    if (expectedArray.GetLength(r) != actualArray.GetLength(r))
                    {
                        useOneIndex = false;
                    }
                }
            }

            int[] expectedIndices = MsgUtils.GetArrayIndicesFromCollectionIndex(expected, failurePoint);
            if (useOneIndex)
            {
                writer.WriteMessageLine(indent, ValuesDiffer_1, MsgUtils.GetArrayIndicesAsString(expectedIndices));
            }
            else
            {
                int[] actualIndices = MsgUtils.GetArrayIndicesFromCollectionIndex(actual, failurePoint);
                writer.WriteMessageLine(indent, ValuesDiffer_2,
                                        MsgUtils.GetArrayIndicesAsString(expectedIndices), MsgUtils.GetArrayIndicesAsString(actualIndices));
            }
        }