public void TextWriterTraceListener_FindPrevMessagePositionTest()
{
var testLog =
@"SampleApp Information: 0 : No free data file found. Going sleep.
ProcessId=4756
ThreadId=7
DateTime=2011-07-12T12:10:00.0000000Z
SampleApp Information: 0 : Searching for data files
ProcessId=4756
ThreadId=7
DateTime=2011-07-12T12:12:00.0000000Z
SampleApp Information: 0 : No free data file found. Going sleep.
ProcessId=4756
ThreadId=7
DateTime=2011-07-12T12:14:00.0000000Z
";
using (StringStreamMedia media = new StringStreamMedia(testLog, Encoding.ASCII))
using (ILogSourceThreadsInternal threads = new LogSourceThreads())
using (IPositionedMessagesReader reader = CreateFactory().CreateMessagesReader(new MediaBasedReaderParams(threads, media, new TempFilesManager(), new TraceSourceFactory())))
{
reader.UpdateAvailableBounds(false);
long?prevMessagePos = PositionedMessagesUtils.FindPrevMessagePosition(reader, 0x0000004A);
Assert.IsTrue(prevMessagePos.HasValue);
Assert.AreEqual(0, prevMessagePos.Value);
}
}
public static void Test(IMediaBasedReaderFactory factory, string testLog, ExpectedLog expectation, Encoding encoding)
{
using (StringStreamMedia media = new StringStreamMedia(testLog, encoding))
{
Test(factory, media, expectation);
}
}
public static void Test(IMediaBasedReaderFactory factory, System.IO.Stream testLogStream, ExpectedLog expectation)
{
using (StringStreamMedia media = new StringStreamMedia())
{
media.SetData(testLogStream);
Test(factory, media, expectation);
}
}
