/// <summary>
/// Populates this <see cref="TestResultRange"/> instance from the data in the XML.
/// </summary>
///
/// <param name="navigator">
/// The XML to get the test result range data from.
/// </param>
///
/// <exception cref="ArgumentNullException">
/// The first node in <paramref name="navigator"/> is <b>null</b>.
/// </exception>
///
public override void ParseXml(XPathNavigator navigator)
{
Validator.ThrowIfNavigatorNull(navigator);
// type
_rangeType = new CodableValue();
_rangeType.ParseXml(navigator.SelectSingleNode("type"));
// range
_range = new DoubleRange();
_range.ParseXml(navigator.SelectSingleNode("range"));
}