public void NodeNameComesFirst()
{
// parsing attributes is slowww.......
// we are delaying parsing them until something actually tries to read the attributes
// therefore, if we are doing css path selection, we should always test name before
// we test attributes.
// Given: a node that has attributes
var node = this.Parse("<root a='a' b='b' ></rot>");
// And: a selector that does not match the nodes name
var cssExpression = new CssExpression("tag.class#id:first-child");
// When: the select checks the node
bool isMatch = cssExpression.IsMatch(node);
// Then: is not a match
Assert.False(isMatch);
// And: attributes were never parsed/loaded
object internalAttributes = node
.GetType()
.GetField("_attributes", BindingFlags.NonPublic | BindingFlags.Instance)
.GetValue(node);
Assert.IsNull(internalAttributes);
}
public void Selector_RoundTrip(string origCss)
{
// all of these selectors.ToString() should come back as the original string.
// selectors return attribute-names in lowercase and attribute values quoted in single quotes (')
var selector = new CssExpression(origCss);
string andBack = selector.ToString();
Assert.That(andBack, Is.EqualTo(origCss));
}
public CssValue(CssExpression expression)
: base(CssType.Instance)
{
this.expression = expression;
}
public CssSelector(string text)
{
_expression = CssExpressionParser.Parse(new StringReader(text));
Specificity = _expression.GetSpecificity();
}
