static void Main(string[] args)
{
const string incorrectNumber = "Incorrect number of arguments!", example = "Usage RemoveExtraBlanks.exe <inputFile> <outputFile>";
if (args.Length != 2)
{
Console.WriteLine(incorrectNumber);
Console.WriteLine(example);
return;
}
string inputFile = args[0];
string outputFile = args[1];
StringProcessor stringProcessor = new StringProcessor();
using (StreamReader readerStream = new StreamReader(inputFile))
using (StreamWriter writerStream = new StreamWriter(outputFile))
{
while (!readerStream.EndOfStream)
{
string line = readerStream.ReadLine();
line = stringProcessor.RemoveExtraBlanks(line);
writerStream.WriteLine(line);
}
}
}
public void TestRemoveExtraBlanks()
{
StringProcessor stringProcessor = new StringProcessor();
Assert.AreEqual("", stringProcessor.RemoveExtraBlanks(" "));
Assert.AreEqual("hndk", stringProcessor.RemoveExtraBlanks(" hndk\t "));
Assert.AreEqual("аоытвк", stringProcessor.RemoveExtraBlanks(" аоытвк \t"));
Assert.AreEqual("оанаы оышыв", stringProcessor.RemoveExtraBlanks("оанаы оышыв"));
Assert.AreEqual("оанаы оышыв", stringProcessor.RemoveExtraBlanks("оанаы оышыв"));
Assert.AreEqual("аонк\tjgh", stringProcessor.RemoveExtraBlanks("аонк\t jgh "));
}
