public ImmutableMultiDictionary <TKey, TValue> Create <TKey, TValue>(params KeyValuePair <TKey, TValue>[] entries)
{
var builder = ImmutableListMultiDictionary <TKey, TValue> .Builder();
builder.PutAll(entries);
return(builder.Build());
}
public void ShouldBuildImmutableListMultiDictionaryAndReturnImmutableListValues()
{
// given
var immutableListMultiDictionary = ImmutableListMultiDictionary <int, string> .Builder()
.Put(1, "A")
.Put(1, "A")
.Put(1, "B")
.PutAll(2, Lists.AsList("X", "Y", "Z"))
.PutAll(ArrayListMultiDictionary <int, string> .Of(3, "Z", 3, "W"))
.PutAll(Dictionaries.Create(4, "_"))
.Build();
// when
var values1 = immutableListMultiDictionary[1];
var values2 = immutableListMultiDictionary.Get(2);
var values3 = immutableListMultiDictionary.Get(3);
var values4 = immutableListMultiDictionary[4];
// then
Check.That(values1).HasSize(3).And.Contains("A", "B").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values1.DistinctElementCount()).IsEqualTo(Dictionaries.Create("A", 2, "B", 1));
Check.That(values2).HasSize(3).And.Contains("X", "Y", "Z").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values2.DistinctElementCount()).IsEqualTo(Dictionaries.Create("X", 1, "Y", 1, "Z", 1));
Check.That(values3).HasSize(2).And.Contains("Z", "W").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values3.DistinctElementCount()).IsEqualTo(Dictionaries.Create("Z", 1, "W", 1));
Check.That(values4).HasSize(1).And.Contains("_").And.IsInstanceOf <ImmutableList <string> >();
Check.That(values4.DistinctElementCount()).IsEqualTo(Dictionaries.Create("_", 1));
}
/// <summary>
/// Converts dictionary to ImmutableListMultiDictionary.
/// </summary>
/// <typeparam name="TKey">Type of dictionary key</typeparam>
/// <typeparam name="TValue">Type of dictionary value</typeparam>
/// <param name="source">this</param>
/// <returns>ImmutableListMultiDictionary</returns>
public static ImmutableListMultiDictionary <TKey, TValue> ToImmutableListMultiDictionary <TKey, TValue>(
this IReadOnlyDictionary <TKey, TValue> source)
{
Preconditions.IsNotNull(source, () => new ArgumentNullException("source"));
var builder = ImmutableListMultiDictionary <TKey, TValue> .Builder();
builder.PutAll(source);
return(builder.Build());
}
/// <summary>
/// Converts MultiDictionary to ImmutableListMultiDictionary.
/// If MultiDictionary is already ImmutableListMultiDictionary returns it.
/// </summary>
/// <typeparam name="TKey">Type of dictionary key</typeparam>
/// <typeparam name="TValue">Type of dictionary value</typeparam>
/// <param name="source">Converted MultiDictionary</param>
/// <returns>ImmutableListMultiDictionary</returns>
public static ImmutableListMultiDictionary <TKey, TValue> ToImmutableListMultiDictionary <TKey, TValue>(
this MultiDictionary <TKey, TValue> source)
{
Preconditions.IsNotNull(source, () => new ArgumentNullException("source"));
if (source is ImmutableListMultiDictionary <TKey, TValue> )
{
return((ImmutableListMultiDictionary <TKey, TValue>)source);
}
var result = ImmutableListMultiDictionary <TKey, TValue> .Builder();
result.PutAll(source);
return(result.Build());
}
public void ShouldConvertImmutableListMultiDictionaryToDictionaryWithListAsValue()
{
// given
var immutableListMultiDictionary = ImmutableListMultiDictionary <int, string> .Builder()
.Put(1, "A")
.Put(1, "A")
.Put(1, "B")
.PutAll(2, Lists.AsList("X", "Y", "Z"))
.Build();
// when
var dictionary = immutableListMultiDictionary.ToDictionary();
// then
Check.That(dictionary).IsEqualTo(Dictionaries.Create(
1, Lists.AsList("A", "A", "B"),
2, Lists.AsList("X", "Y", "Z")));
Check.That(dictionary[1]).IsInstanceOf <List <string> >();
Check.That(dictionary[2]).IsInstanceOf <List <string> >();
}