/// <summary>
/// Приватный метод для работы с файлом.
/// </summary>
/// <param name="ts">TextSaver.</param>
private void WorkWithFile(ref TextSaver ts)
{
string str;// Строка, для обработки ответа пользователя.
while (true)
{
Console.WriteLine(ts.Text);
Console.Write(
"1. Delete symbol or word.\n" +
"2. Count words.\n" +
"3. Every tenth word.\n" +
"4. Backward third sentence.\n" +
"5. Close file.\n" +
"(number) :"
);
str = Console.ReadLine();
if (int.TryParse(str, out int result))
{
switch (result)
{
case 1:
Console.WriteLine("Symbol or word: ");
RemoverFromText.Delete(Console.ReadLine(), ref ts);
break;
case 2:
WordsCounter.CountWords(ts.Text);
break;
case 3:
WordsCounter.CountTenthWord(ts.Words);
break;
case 4:
SentencesReverser.ReverseThirdSentence(ts.Text);
break;
case 5:
Console.WriteLine("Save changes ?(yes,no)");
str = Console.ReadLine().ToLower();
if (str == "yes" || str == "y")
{
CreateFile(ts.Text); //Creat backup
}
return;
default:
break;
}
}
Console.WriteLine("\t\t *enter*");
Console.ReadKey();
Console.Clear();
}
}
public void CountWords_DictionaryIsNull_ArgumentNullException()
{
//Arrange
string str = "Test String";
Dictionary <string, int> outcome = null;
//Act
//Act => Assert
Assert.ThrowsException <ArgumentNullException>(() => WordsCounter.CountWords(str, outcome));
}
public void CountWords_StringIsEmptyString_ArgumentException()
{
//Arrange
var str = "";
Dictionary <string, int> outcome = new Dictionary <string, int>();
//Act
//Act => Assert
Assert.ThrowsException <ArgumentException>(() => WordsCounter.CountWords(str, outcome));
}
public void CountWords_ListIsNullList_ArgumentNullException()
{
//Arrange
string str = "Test String";
List <KeyValuePair <string, int> > outcome = null;
//Act
//Act => Assert
Assert.ThrowsException <ArgumentNullException>(() => WordsCounter.CountWords(str, outcome));
}
public void CountWords_CountWordsFromPreparedString_ReturnsList()
{
//Arrange
string str = "One Two Three Three Three Three Four Five";
List <KeyValuePair <string, int> > outcome = new List <KeyValuePair <string, int> >();
int wordsCountInString = 0;
int wordsCountInOutcome = 0;
//Act
WordsCounter.CountWords(str, outcome);
//Assert
Assert.IsInstanceOfType(outcome, typeof(List <KeyValuePair <string, int> >));
foreach (KeyValuePair <string, int> item in outcome)
{
wordsCountInOutcome += item.Value;
}
int index = 0;
while (index < str.Length)
{
// check if current char is part of a word
while (index < str.Length && !char.IsWhiteSpace(str[index]))
{
index++;
}
wordsCountInString++;
// skip whitespace until next word
while (index < str.Length && char.IsWhiteSpace(str[index]))
{
index++;
}
}
Assert.AreEqual(wordsCountInOutcome, wordsCountInString);
}
