public void MoveToTest_SeekableStream(bool withCaching)
{
using (var ms = new MemoryStream())
{
var writer = new StreamWriter(ms, Encoding.Unicode);
writer.Write(DelimitedRecordReaderTestData.SampleData1);
writer.Flush();
ms.Position = 0;
using (var csv = new DelimitedRecordReader(new StreamReader(ms, Encoding.Unicode)))
{
if (withCaching)
{
csv.StartCachingRecordPositions();
}
while (csv.Read() == ReadResult.Success)
{
}
for (int i = DelimitedRecordReaderTestData.SampleData1RecordCount - 1; i >= 0; i--)
{
Assert.AreEqual(ReadResult.Success, csv.MoveTo(i));
DelimitedRecordReaderTestData.CheckSampleData1(csv, false, i);
}
}
}
}
public void ArgumentTestMoveTo()
{
using (DelimitedRecordReader csv = new DelimitedRecordReader(new StringReader(DelimitedRecordReaderTestData.SampleData1)))
{
Assert.Throws <ArgumentOutOfRangeException>(() => csv.MoveTo(-1));
}
}
public void MoveToTest_AfterLastRecord()
{
using (var csv = new DelimitedRecordReader(new StringReader(DelimitedRecordReaderTestData.SampleData1)))
{
Assert.AreEqual(ReadResult.Success, csv.ReadColumnHeaders());
Assert.AreEqual(ReadResult.EndOfFile, csv.MoveTo(DelimitedRecordReaderTestData.SampleData1RecordCount));
}
}
public void MoveToTest_Forward(
[Values(false, true)] bool readHeaders,
[Range(0, DelimitedRecordReaderTestData.SampleData1RecordCount - 1)] int toRecordIndex)
{
using (var csv = new DelimitedRecordReader(new StringReader(DelimitedRecordReaderTestData.SampleData1)))
{
if (readHeaders)
{
Assert.AreEqual(ReadResult.Success, csv.ReadColumnHeaders());
}
csv.MoveTo(toRecordIndex);
DelimitedRecordReaderTestData.CheckSampleData1(csv, readHeaders, toRecordIndex);
}
}
public void ArgumentTestMoveTo()
{
using (DelimitedRecordReader csv = new DelimitedRecordReader(new StringReader(DelimitedRecordReaderTestData.SampleData1)))
{
Assert.Throws<ArgumentOutOfRangeException>(() => csv.MoveTo(-1));
}
}