public void Filter_validates_params()
{
var sut = new VowelInMiddleOfWordFilter();
Assert.Throws <ArgumentNullException>(() => sut.Filter(null));
Assert.Throws <ArgumentOutOfRangeException>(() => sut.Filter(" "));
}
public void Returns_true_if_word_is_the_or_rather()
{
var sut = new VowelInMiddleOfWordFilter();
Assert.True(sut.Filter("the"));
Assert.True(sut.Filter("rather"));
}
public void Returns_false_if_word_does_not_contains_vowel_in_middle_for_odd_numbered_input()
{
var sut = new VowelInMiddleOfWordFilter();
Assert.False(sut.Filter("substring"));
Assert.False(sut.Filter("another"));
}
public void Returns_true_if_word_contains_vowel_in_middle_for_odd_numbered_input()
{
var sut = new VowelInMiddleOfWordFilter();
Assert.True(sut.Filter("currently"));
Assert.True(sut.Filter("clean"));
}
public void Returns_true_if_word_does_contain_a_vowel_in_middle_for_even_numbered_input()
{
var sut = new VowelInMiddleOfWordFilter();
Assert.True(sut.Filter("what"));
Assert.True(sut.Filter("mate"));
Assert.True(sut.Filter("finest"));
}
