public void DeveRetornarNullQuandoNaoAcharVogal()
{
string input = "ccdfr";
IStream myStream = new MyStream(input.ToString());
char caractere = ValidarPrimeiroCaractere.FirstChar(myStream);
Assert.AreEqual('\0', caractere);
}
public void DeveRetornarNullQuandoExistemSomenteVogais()
{
string input = "aaeeiioouu";
IStream myStream = new MyStream(input.ToString());
char caractere = ValidarPrimeiroCaractere.FirstChar(myStream);
Assert.AreEqual('\0', caractere);
}
public void DeveRetornarPrimeiraVogalDoFimStream()
{
string input = "aAbBABacfe";
IStream myStream = new MyStream(input.ToString());
char caractere = ValidarPrimeiroCaractere.FirstChar(myStream);
Assert.AreEqual('e', caractere);
}
public void DeveRetornarNullQuandoVogalSomenteNoComecoStream()
{
string input = "abBBfdg";
IStream myStream = new MyStream(input.ToString());
char caractere = ValidarPrimeiroCaractere.FirstChar(myStream);
Assert.AreEqual('\0', caractere);
}
public void DeveRetornarNullQuandoContemMaisDeUmaVogal()
{
string input = "aaccadfrii";
IStream myStream = new MyStream(input.ToString());
char caractere = ValidarPrimeiroCaractere.FirstChar(myStream);
Assert.AreEqual('\0', caractere);
}