public void MergeEmptyChild()
{
ManagedNameValueCollection parent = new ManagedNameValueCollection();
parent.Add("one", "one");
parent.Add("two", "two");
ManagedNameValueCollection child = new ManagedNameValueCollection();
child.MergeEnabled = true;
NameValueCollection mergedMap = (NameValueCollection)child.Merge(parent);
Assert.AreEqual(2, mergedMap.Count);
}
public void MergeSunnyDay()
{
ManagedNameValueCollection parent = new ManagedNameValueCollection();
parent.Add("one", "one");
parent.Add("two", "two");
ManagedNameValueCollection child = new ManagedNameValueCollection();
child.Add("three", "three");
child.MergeEnabled = true;
NameValueCollection mergedList = (NameValueCollection)child.Merge(parent);
Assert.AreEqual(3, mergedList.Count);
}
/// <summary>
/// Gets a name value collection mapping definition.
/// </summary>
/// <param name="nameValueEle">
/// The element describing the name value collection mapping definition.
/// </param>
/// <param name="name">
/// The name of the object (definition) associated with the
/// name value collection mapping definition.
/// </param>
/// <param name="parserContext">the context carrying parsing state information</param>
/// <returns>The name value collection definition.</returns>
protected NameValueCollection ParseNameValueCollectionElement(XmlElement nameValueEle, string name, ParserContext parserContext)
{
ManagedNameValueCollection nvc = new ManagedNameValueCollection();
nvc.MergeEnabled = ParseMergeAttribute(nameValueEle, parserContext.ParserHelper);
XmlNodeList addElements = nameValueEle.GetElementsByTagName(ObjectDefinitionConstants.AddElement);
foreach (XmlElement addElement in addElements)
{
string key = GetAttributeValue(addElement, ObjectDefinitionConstants.KeyAttribute);
string value = GetAttributeValue(addElement, ObjectDefinitionConstants.ValueAttribute);
string delimiters = GetAttributeValue(addElement, ObjectDefinitionConstants.DelimitersAttribute);
if (StringUtils.HasText(delimiters))
{
string[] values = value.Split(delimiters.ToCharArray());
foreach (string v in values)
{
nvc.Add(key, v);
}
}
else
{
nvc.Add(key, value);
}
}
return nvc;
}
public void MergeChildValueOverrideTheParents()
{
ManagedNameValueCollection parent = new ManagedNameValueCollection();
parent.Add("one", "one");
parent.Add("two", "two");
ManagedNameValueCollection child = new ManagedNameValueCollection();
child.Add("one", "fork");
child.MergeEnabled = true;
NameValueCollection mergedMap = (NameValueCollection)child.Merge(parent);
Assert.AreEqual(2, mergedMap.Count);
Assert.AreEqual("fork", mergedMap["one"]);
}
