public void SpanOnCommentGroupShouldStartAfter()
{
// Arrange
var comment = new CommentGroupNode("This is a comment.");
var a = new CharacterNode('a');
var b = new CharacterNode('b')
{
Prefix = comment
};
var concat = new ConcatenationNode(new List <RegexNode> {
a, b
});
// Act
var(commentStart, commentLength) = comment.GetSpan();
var(aStart, aLength) = a.GetSpan();
var(bStart, bLength) = b.GetSpan();
var(concatStart, concatLength) = concat.GetSpan();
// Assert
concatStart.ShouldBe(0);
concatLength.ShouldBe(a.ToString().Length + b.ToString().Length);
aStart.ShouldBe(0);
aLength.ShouldBe(1);
commentStart.ShouldBe(1);
commentLength.ShouldBe(comment.ToString().Length);
bStart.ShouldBe(commentStart + commentLength);
bLength.ShouldBe(1);
}
public void GetSpanShouldReturnTupleWithStart0AndLenght1()
{
// Arrange
var target = new CharacterNode('a');
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
public void ChildNodeShouldStartBeforeQuantifier()
{
// Arrange
var target = new CharacterNode('a');
_ = new QuantifierQuestionMarkNode(target);
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
public void EndSpanShouldStartAfterStartAndDash()
{
// Arrange
var start = new CharacterNode('a');
var end = new CharacterNode('z');
_ = new CharacterClassRangeNode(start, end);
// Act
var(Start, Length) = end.GetSpan();
// Assert
Start.ShouldBe(2);
Length.ShouldBe(1);
}
public void StartSpanShouldStartBe0()
{
// Arrange
var start = new CharacterNode('a');
var end = new CharacterNode('z');
_ = new CharacterClassRangeNode(start, end);
// Act
var(Start, Length) = start.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
public void GetSpanShouldReturnTupleWithStartEqualToPrefixLengthAndLength1()
{
// Arrange
var comment = new CommentGroupNode("X");
var target = new CharacterNode('a')
{
Prefix = comment
};
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(5);
Length.ShouldBe(1);
}
public void ChildNodeShouldStartBeforeQuantifiersPrefix()
{
// Arrange
var target = new CharacterNode('a');
var prefix = new CommentGroupNode("X");
_ = new QuantifierQuestionMarkNode(target)
{
Prefix = prefix
};
// Act
var(Start, Length) = target.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
public void FirstAlternateSpanShouldStartBe0()
{
// Arrange
var firstChild = new CharacterNode('a');
var secondChild = new CharacterNode('b');
var thirdChild = new CharacterNode('c');
var childNodes = new List <RegexNode> {
firstChild, secondChild, thirdChild
};
_ = new AlternationNode(childNodes);
// Act
var(Start, Length) = firstChild.GetSpan();
// Assert
Start.ShouldBe(0);
Length.ShouldBe(1);
}
public void NonFirstAlternateSpanShouldStartAfterPreviousAlternateAndPipe()
{
// Arrange
var firstChild = new CharacterNode('a');
var secondChild = new CharacterNode('b');
var thirdChild = new CharacterNode('c');
var childNodes = new List <RegexNode> {
firstChild, secondChild, thirdChild
};
_ = new AlternationNode(childNodes);
// Act
var(secondChildStart, secondChildLength) = secondChild.GetSpan();
var(thirdChildStart, thirdChildLength) = thirdChild.GetSpan();
// Assert
secondChildStart.ShouldBe(2);
secondChildLength.ShouldBe(1);
thirdChildStart.ShouldBe(4);
thirdChildLength.ShouldBe(1);
}