public void ShouldUnnegateNegatedShorthand()
{
// Arrange
var shorthandNode = new CharacterClassShorthandNode('D');
var childNodes = new List <RegexNode>
{
shorthandNode,
new CharacterNode('a'),
new CharacterNode('b'),
new CharacterNode('c')
};
var rootNode = new ConcatenationNode(childNodes);
var target = new CharacterClassShorthandNegationMutator();
// Act
var result = target.ApplyMutations(shorthandNode, rootNode);
// Assert
var mutation = result.ShouldHaveSingleItem();
mutation.OriginalNode.ShouldBe(shorthandNode);
mutation.ReplacementNode.ToString().ShouldBe("\\d");
mutation.ReplacementPattern.ShouldBe("\\dabc");
mutation.DisplayName.ShouldBe("Regex character class shorthand negation mutation");
mutation.Description.ShouldBe("Character class shorthand \"\\D\" was replaced with \"\\d\" at offset 0.");
}
public void ToStringShouldReturnBackslashShorthand()
{
// Arrange
var target = new CharacterClassShorthandNode('d');
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"\d");
}
public void CopyingCharacterClassShorthandNodeShouldCopyShorthand()
{
// Arrange
var target = new CharacterClassShorthandNode('d');
// Act
// RemoveNode returns a copy of the current node.
var result = target.RemoveNode(new CharacterNode('a'));
// Assert
CharacterClassShorthandNode characterClassShorthandNode = result.ShouldBeOfType <CharacterClassShorthandNode>();
characterClassShorthandNode.Shorthand.ShouldBe(target.Shorthand);
}
public void ToStringOnCharacterClassShorthandNodeWithPrefixShouldReturnPrefixBeforeCharacterClassShorthand()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var target = new CharacterClassShorthandNode('d')
{
Prefix = comment
};
// Act
var result = target.ToString();
// Assert
result.ShouldBe(@"(?#This is a comment.)\d");
}
