public void WordsStartingWithAdjacentCodepointsGoToDifferentPartitions()
{
var sut = new ByFirstCharPartitioner();
var partitionQueues = new BlockingCollection <string> [2];
partitionQueues[0] = new BlockingCollection <string>();
partitionQueues[1] = new BlockingCollection <string>();
var testWords = GenerateWordsStartingWith('a').Concat(GenerateWordsStartingWith('b')).ToArray();
sut.PartitionIntoQueues(testWords, partitionQueues);
Assert.IsTrue(
partitionQueues[0].Count == testWords.Length / 2 && partitionQueues[1].Count == testWords.Length / 2);
}
public void WordsStartingWithSameLetterGoToSamePartition()
{
var sut = new ByFirstCharPartitioner();
var partitionQueues = new BlockingCollection <string> [2];
partitionQueues[0] = new BlockingCollection <string>();
partitionQueues[1] = new BlockingCollection <string>();
var testWords = GenerateWordsStartingWith('a').ToArray();
sut.PartitionIntoQueues(testWords, partitionQueues);
Assert.IsTrue(
partitionQueues[0].Count == testWords.Length && partitionQueues[1].Count == 0 ||
partitionQueues[0].Count == 0 && partitionQueues[1].Count == testWords.Length);
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
Console.WriteLine("Not enough arguments. Usage: wordcount.exe input_file_path output_file_path [/instrument]");
return;
}
if (args.Length > 2 && args[2] == "/instrument")
{
Instrument.Initialize(new ConsoleInstrumentationWriter());
}
string inputPath = args[0];
string outputPath = args[1];
try
{
string inputPathError = CheckInputFilePath(inputPath);
if (!string.IsNullOrEmpty(inputPathError))
{
Console.WriteLine("Invalid input file path: {0}", inputPathError);
return;
}
string outputPathError = CheckOutputFilePath(outputPath);
if (!string.IsNullOrEmpty(outputPathError))
{
Console.WriteLine("Invalid output file path: {0}", outputPathError);
return;
}
using (var input = new FileStream(inputPath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var output = new FileStream(outputPath, FileMode.Create, FileAccess.Write, FileShare.None))
{
var inputReader = new InputReader();
var inputPartitioner = new ByFirstCharPartitioner();
var freqDictBuilder = new InMemoryFreqDictionaryBuilder();
var outputWriter = new OutputWriter();
var facade = new Facade(inputReader, inputPartitioner, freqDictBuilder, outputWriter);
facade.Run(input, output);
}
}
catch (FileNotFoundException ex)
{
Console.WriteLine("File {0} not found", ex.FileName);
}
catch (UnauthorizedAccessException ex)
{
Console.WriteLine("Access is denied: {0}", ex.Message);
}
catch (IOException ex)
{
Console.WriteLine("IO error: {0}", ex.Message);
}
catch (Exception ex)
{
Console.WriteLine("Unknown error {0}", ex);
}
}
