/// <exception cref="System.Exception"/>
private void VerifyOutput(RunningJob submittedJob, FileSystem fileSystem)
{
FSDataInputStream dis = null;
long numValidRecords = 0;
long numInvalidRecords = 0;
long numMappersLaunched = NumMappers;
string prevKeyValue = "000000000";
Path[] fileList = FileUtil.Stat2Paths(fileSystem.ListStatus(Output, new Utils.OutputFileUtils.OutputFilesFilter
()));
foreach (Path outFile in fileList)
{
try
{
dis = fileSystem.Open(outFile);
string record;
while ((record = dis.ReadLine()) != null)
{
// Split the line into key and value.
int blankPos = record.IndexOf(" ");
string keyString = Sharpen.Runtime.Substring(record, 0, blankPos);
string valueString = Sharpen.Runtime.Substring(record, blankPos + 1);
// Check for sorted output and correctness of record.
if (string.CompareOrdinal(keyString, prevKeyValue) >= 0 && keyString.Equals(valueString
))
{
prevKeyValue = keyString;
numValidRecords++;
}
else
{
numInvalidRecords++;
}
}
}
finally
{
if (dis != null)
{
dis.Close();
dis = null;
}
}
}
// Make sure we got all input records in the output in sorted order.
NUnit.Framework.Assert.AreEqual((long)(NumMappers * NumLines), numValidRecords);
// Make sure there is no extraneous invalid record.
NUnit.Framework.Assert.AreEqual(0, numInvalidRecords);
}
