/// <summary>Returns an enumerator that iterates through the collection.</summary>
/// <returns>An enumerator that can be used to iterate through the collection.</returns>
public IEnumerator <KeyValuePair <IJaggedIndex <TKey>, TValue> > GetEnumerator()
{
return(new Enumerator <KeyValuePair <IJaggedIndex <TKey>, TValue> >(this,
enums => new KeyValuePair <IJaggedIndex <TKey>, TValue>(
JaggedIndex.Create <TKey>(enums.Select(e => (TKey)e.Key).ToArray()),
(TValue)enums.Last().Value)));
}
public void EnumerateBasic_2Dimension()
{
var indexes = new[] {
new[] { 1, 1 },
new[] { 1, 2 },
new[] { 1, 3 },
new[] { 2, 1 },
new[] { 2, 2 },
new[] { 2, 3 },
new[] { 3, 1 },
new[] { 3, 2 },
new[] { 3, 3 }
};
var sut = new JaggedDictionary <int, int>(indexes.First().Length, SortedDictionaryFactory <int> .Default);
var keys = indexes.Select(a => JaggedIndex.Create(a)).ToList();
foreach (var key in keys)
{
sut[key] = 0;
}
var keyValuePairs = sut.ToList();
Assert.Equal(keys.Count, keyValuePairs.Count);
foreach (var kvp in keyValuePairs)
{
Assert.True(keys.Cast <IJaggedIndex <int> >().Contains(kvp.Key));
Assert.Equal(0, kvp.Value);
}
}
internal KeyCollection(JaggedDictionary <TKey, TValue> dictionary)
: base(dictionary, enums => JaggedIndex.Create <TKey>(enums.Select(e => (TKey)e.Key).ToArray()))
{
}
