public void InitializeWithValue_Multi_Char_String_Yields_Correct_Item_Set()
{
string testValue = "hello";
int expectedCount = 4;
var sut = new Bigram();
sut.InitializeForValue(testValue);
var result = sut.BigramSet;
Assert.That(result.Count, Is.EqualTo(expectedCount));
Assert.That(result.Contains("he"), Is.True);
Assert.That(result.Contains("el"), Is.True);
Assert.That(result.Contains("ll"), Is.True);
Assert.That(result.Contains("lo"), Is.True);
}
public void InitializeWithValue_Two_Char_String_Yields_One_Item_Set()
{
string testValue = "hi";
string expected = "hi";
int expectedCount = 1;
var sut = new Bigram();
sut.InitializeForValue(testValue);
var result = sut.BigramSet;
Assert.That(result.Count, Is.EqualTo(expectedCount));
Assert.That(result.Contains(expected), Is.True);
}
public void InitializeWithValue_Empty_String_Yields_Empty_Set()
{
string testValue = string.Empty;
int expected = 0;
var sut = new Bigram();
sut.InitializeForValue(testValue);
var result = sut.BigramSet;
Assert.That(result.Count, Is.EqualTo(expected));
}