/// <summary>
/// Converts dictionary to LinkedListMultiDictionary.
/// </summary>
/// <typeparam name="TKey">Type of dictionary key</typeparam>
/// <typeparam name="TValue">Type of dictionary value</typeparam>
/// <param name="source">this</param>
/// <returns>LinkedListMultiDictionary</returns>
public static LinkedListMultiDictionary <TKey, TValue> ToLinkedListMultiDictionary <TKey, TValue>(
this IReadOnlyDictionary <TKey, TValue> source)
{
Preconditions.IsNotNull(source, () => new ArgumentNullException("source"));
var result = new LinkedListMultiDictionary <TKey, TValue>();
result.PutAll(source);
return(result);
}
public void ShouldExntedReadOnlyDictionaryByToLinkedListMultiDictionaryMethod()
{
// given
var dictionary = Dictionaries.CreateImmutable("A", "A1", "B", "B1", "C", "C1");
// when
var multiDictionary = dictionary.ToLinkedListMultiDictionary();
// then
Check.That(multiDictionary)
.IsEqualTo(LinkedListMultiDictionary <string, string> .Of("A", "A1", "B", "B1", "C", "C1"));
}
public void ShouldAllowDuplicatedValuesForKey()
{
// given
var multiDictionary = new LinkedListMultiDictionary <int, string>();
// when
multiDictionary.Put(1, "A");
multiDictionary.Put(1, "A");
multiDictionary.PutAll(2, Lists.AsList("A", "B", "B"));
// then
Check.That(multiDictionary.Count).IsEqualTo(5);
Check.That(multiDictionary.Values).ContainsExactly("A", "A", "A", "B", "B");
Check.That(multiDictionary[1]).ContainsExactly("A", "A");
Check.That(multiDictionary[1]).IsInstanceOf <LinkedList <string> >();
Check.That(multiDictionary[2]).ContainsExactly("A", "B", "B");
Check.That(multiDictionary[2]).IsInstanceOf <LinkedList <string> >();
}
public void ShouldConvertMultiDictionaryToDictionaryWithLinkedLists()
{
// given
var multiDictionary = new LinkedListMultiDictionary <int, string>();
multiDictionary.Put(1, "A");
multiDictionary.Put(2, "B");
multiDictionary.PutAll(3, Lists.AsList("A", "B", "C", "C"));
// when
var dictionary = multiDictionary.ToDictionary();
// then
Check.That(dictionary[1]).IsInstanceOf <LinkedList <string> >()
.And.ContainsExactly("A");
Check.That(dictionary[2]).IsInstanceOf <LinkedList <string> >()
.And.ContainsExactly("B");
Check.That(dictionary[3]).IsInstanceOf <LinkedList <string> >()
.And.ContainsExactly("A", "B", "C", "C");
}
