public void Test_Create_empty_Dictionary(string text)
{
var cut = new CountCharactersService();
var actual = cut.CountCharacters(text);
Assert.Equal(new Dictionary <char, int>(), actual);
}
public void Test_count_ignoring_case(string text, char search, int expected)
{
var cut = new CountCharactersService();
var dict = cut.CountCharacters(text, true);
var actual = dict.GetValueOrDefault(search);
Assert.Equal(expected, actual);
}
public void TestLowercaseStringReturnsCorrectCounts()
{
// Arrange
var input = "hello world";
// Act
var result = CountCharactersService.CountCharacters(input);
// Assert
Assert.AreEqual("h - 1\ne - 1\nl - 3\no - 2\nw - 1\nr - 1\nd - 1\n", result);
}
public void CountCharacters_WordContains4Characters_FourResult()
{
// ARRANGE
ICountCharactersService service = new CountCharactersService();
string word = "word";
int expectedNumber = 4;
// ACT
int numberOfCharacters = service.CountCharacters(word);
// ASSERT
Assert.Equal(expectedNumber, numberOfCharacters);
}
public void CountCharacters_WordIsEmpty_ZeroResult()
{
// ARRANGE
ICountCharactersService service = new CountCharactersService();
string word = "";
int expectedNumber = 0;
// ACT
int numberOfCharacters = service.CountCharacters(word);
// ASSERT
Assert.Equal(expectedNumber, numberOfCharacters);
}
