public void GetUnion_ReturnsCharactersJ_WhenCharacterClassContainsJndIsUnitedWithEmptyCharClass()
{
var charClassJA = new CharacterClassExpression(_alphabet, _randomGenerator, _maxInverseLength);
charClassJA.AddCharacters(new List <string> {
"J"
});
var result = charClassJA.GetUnion(new CharacterClassExpression(_alphabet, _randomGenerator, _maxInverseLength));
Assert.AreEqual("J", result.GetRandomCharacter());
}
public void GetUnion_ReturnsCharactersJAN_WhenCharacterClassContainsJAAndIsUnitedWithCharacterClassContainingAN()
{
var charClassJA = new CharacterClassExpression(_alphabet, _randomGenerator, _maxInverseLength);
charClassJA.AddCharacters(new List <string> {
"J", "A"
});
var charClassNA = new CharacterClassExpression(_alphabet, _randomGenerator, _maxInverseLength);
charClassNA.AddCharacters(new List <string> {
"N", "A"
});
var result = charClassJA.GetUnion(charClassNA);
_randomGenerator.GetNextInteger(Arg.Any <int>(), Arg.Any <int>()).Returns(0);
Assert.AreEqual("J", result.GetRandomCharacter());
_randomGenerator.GetNextInteger(Arg.Any <int>(), Arg.Any <int>()).Returns(1);
Assert.AreEqual("A", result.GetRandomCharacter());
_randomGenerator.GetNextInteger(Arg.Any <int>(), Arg.Any <int>()).Returns(2);
Assert.AreEqual("N", result.GetRandomCharacter());
}