public void TryGetValue_ShouldBehaveTheSameWay()
{
// Arrange
Dictionary <int, string> dictionary = new(SampleDictionary.Reverse());
Fictionary <int, string, GenericEqualityComparer <int> > fictionary =
SampleDictionary.ToList().Mix().ToFictionary();
// Act
foreach (KeyValuePair <int, string> kv in SampleDictionary)
{
{
bool foundInDictionary = dictionary.TryGetValue(kv.Key, out string?dictionaryValue);
bool foundInFictionary = fictionary.TryGetValue(kv.Key, out string?fictionaryValue);
Assert.Equal(foundInDictionary, foundInFictionary);
Assert.Equal(dictionaryValue, fictionaryValue);
}
{
bool foundInDictionary = dictionary.TryGetValue(-kv.Key, out string?dictionaryValue);
bool foundInFictionary = fictionary.TryGetValue(-kv.Key, out string?fictionaryValue);
Assert.Equal(foundInDictionary, foundInFictionary);
Assert.Equal(dictionaryValue, fictionaryValue);
}
}
}
private static void Main()
{
IEnumerable <FileInfo> currentDirFiles =
new DirectoryInfo(Environment.CurrentDirectory).EnumerateFiles();
using Fictionary <string, FileInfo, OrdinalStringComparer> fictionary = currentDirFiles
.ToFictionary(fi => fi.Name, new OrdinalStringComparer());
IEnumerable <FileInfo> userDirFiles =
new DirectoryInfo(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile)).EnumerateFiles();
foreach (FileInfo fi in userDirFiles)
{
fictionary.TryAdd(fi.Name, fi);
}
foreach (KeyValuePair <string, FileInfo> kv in fictionary)
{
Console.WriteLine($"{kv.Key}\t{kv.Value.Directory?.FullName}");
}
Console.WriteLine();
if (fictionary.TryGetValue(".gitconfig", out FileInfo? value))
{
Console.WriteLine($"{value.Name}: {value.Length} bytes");
}
}
public void Remove_ShouldBehaveTheSameWay()
{
// Arrange
Dictionary <int, string> dictionary = new(SampleDictionary, Int32EqualityComparer.Default);
Fictionary <int, string, GenericEqualityComparer <int> > fictionary = SampleDictionary.ToFictionary();
int count = SampleItems.Length;
// Act
for (int i = 0; i != count; ++i)
{
int key = SampleItems[i].Key * (i % 2 == 0 ? 1 : -1);
bool removedFromDictionary = dictionary.Remove(key);
bool removedFromFictionary = fictionary.Remove(key);
Assert.Equal(removedFromDictionary, removedFromFictionary);
Assert.False(fictionary.ContainsKey(key));
Assert.False(fictionary.TryGetValue(key, out _));
}
}
