private void CheckGetData(TestCaseResult result,
VirtuosoDataReader dr, int column, Selector selector, Sequence sequence)
{
string name = dr.GetName(column);
int tableColumn = checkTable.Columns.IndexOf(name);
for (int row = 0; dr.Read(); row++)
{
//if (dr.IsDBNull (column))
if (row == 0)
{
continue;
}
long length;
if (selector == Selector.GetBytes)
{
length = dr.GetBytes(column, 0, null, 0, 0);
}
else //if (selector == Selector.GetChars)
{
length = dr.GetChars(column, 0, null, 0, 0);
}
//Console.WriteLine ("row: {0}", row);
//Console.WriteLine ("length: {0}", length);
CompareSize(result, row, tableColumn, selector, length, 0);
long offset = 0;
byte[] bytes = new byte[BufferSize];
char[] chars = new char[BufferSize];
int count = 0;
while (offset < length)
{
//Console.WriteLine ("offset: {0}", offset);
long nextLength;
if (selector == Selector.GetBytes)
{
for (int i = 0; i < bytes.Length; i++)
{
bytes[i] = 0;
}
nextLength = dr.GetBytes(column, offset, bytes, 0, bytes.Length);
}
else //if (selector == Selector.GetChars)
{
for (int i = 0; i < chars.Length; i++)
{
chars[i] = (char)0;
}
nextLength = dr.GetChars(column, offset, chars, 0, chars.Length);
}
result.FailIfEqual(this, 0, nextLength);
if (offset + nextLength < length)
{
result.FailIfNotEqual(this, (long)BufferSize, nextLength);
}
else
{
result.FailIfNotEqual(this, (long)(length - offset), nextLength);
}
if (selector == Selector.GetBytes)
{
CompareData(result, row, tableColumn, bytes, nextLength, offset);
}
else //if (selector == Selector.GetChars)
{
CompareData(result, row, tableColumn, chars, nextLength, offset);
}
if (sequence == Sequence.GetAll)
{
offset += nextLength;
}
else if (sequence == Sequence.GetHalf)
{
offset += 2 * nextLength;
}
else //if (sequence == Sequence.GetTwice)
{
count++;
if (count == 2)
{
count = 0;
offset += 2 * nextLength;
}
}
}
}
}
