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 SpanLengthOfEmptyConcatenationNodeShouldBeEqualToToStringLength()
{
// Arrange
var target = new ConcatenationNode();
// Act
var(_, Length) = target.GetSpan();
// Assert
Length.ShouldBe(target.ToString().Length);
}
public void SpanLengthOConcatenationNodeWithChildNodesShouldBeEqualToToStringLength()
{
// Arrange
var childNodes = new List <RegexNode> {
new CharacterNode('a'), new CharacterNode('b'), new CharacterNode('c')
};
var target = new ConcatenationNode(childNodes);
// Act
var(_, Length) = target.GetSpan();
// Assert
Length.ShouldBe(target.ToString().Length);
}
public void SpanLengthOfConcatenationNodeShouldIncludeChildNodesPrefix()
{
// Arrange
var childNode = new CharacterNode('a')
{
Prefix = new CommentGroupNode("Comment")
};
var target = new ConcatenationNode(childNode);
// Act
var(_, Length) = target.GetSpan();
// Assert
Length.ShouldBe(target.ToString().Length);
}
public void SpanLengthOfConcatenationNodeShouldNotIncludeItsOwnPrefix()
{
// Arrange
var prefix = new CommentGroupNode("Comment");
var target = new ConcatenationNode()
{
Prefix = prefix
};
// Act
var(_, Length) = target.GetSpan();
// Assert
Length.ShouldBe(target.ToString().Length - prefix.ToString().Length);
}