public void IsSpellingCorrect_Returns_False_For_Invalid_Word()
{
// Arrange
var spellChecker = new MSpell.SpellChecker();
// Act
var IsSpellingCorrect = spellChecker.IsSpellingCorrect("hello");
// Assert
Assert.IsFalse(IsSpellingCorrect);
}
public void IsSpellingCorrect_Returns_True_For_Valid_Word()
{
// Arrange
var spellChecker = new MSpell.SpellChecker();
spellChecker.AddWord("Hello");
// Act
var IsSpellingCorrect = spellChecker.IsSpellingCorrect("hello");
// Assert
Assert.IsTrue(IsSpellingCorrect);
}
public void GetSuggestedWords_Returns_Candidate_With_EditDistance_2()
{
// Arrange
var spellChecker = new MSpell.SpellChecker();
var dictionary = new List <string> {
"moon", "soon", "mono", "windows"
};
spellChecker.Train(dictionary);
// Act
var suggestion = spellChecker.GetSuggestedWords("windwo", 2);
// Assert
Assert.AreEqual(1, suggestion.Count);
Assert.AreEqual("windows", suggestion[0].Word);
}
public void GetSuggestedWords_Returns_Candidate_With_Sorted_By_EditDistance_Then_by_Word()
{
// Arrange
var spellChecker = new MSpell.SpellChecker();
var dictionary = new List <string> {
"moon", "son", "mono", "money"
};
spellChecker.Train(dictionary);
// Act
var suggestion = spellChecker.GetSuggestedWords("mon", 2);
// Assert
Assert.AreEqual(4, suggestion.Count);
Assert.AreEqual(1, suggestion[0].EditDistance);
Assert.AreEqual("mono", suggestion[0].Word);
Assert.AreEqual(1, suggestion[1].EditDistance);
Assert.AreEqual("moon", suggestion[1].Word);
Assert.AreEqual(1, suggestion[2].EditDistance);
Assert.AreEqual("son", suggestion[2].Word);
Assert.AreEqual(2, suggestion[3].EditDistance);
Assert.AreEqual("money", suggestion[3].Word);
}