public void ToStringOnEmptyNodeShouldReturnEmptyString()
{
// Arrange
var target = new CharacterClassCharacterSetNode();
// Act
var result = target.ToString();
// Assert
result.ShouldBe("");
}
public void ToStringShouldReturnConcatenationOfChildNodesToString()
{
// Arrange
var childNodes = new List <RegexNode> {
new CharacterNode('a'), new CharacterNode('b'), new CharacterNode('c')
};
var target = new CharacterClassCharacterSetNode(childNodes);
// Act
var result = target.ToString();
// Assert
result.ShouldBe("abc");
}