public void TryRemove_returns_false_for_unknown_entry()
{
var cache = new MruCache <int, string>(capacity: 3);
cache.Add(1, "one");
Assert.False(cache.TryRemove(2, out var removed));
Assert.Null(removed);
}
public void TryRemove_removes_existing_entries()
{
var cache = new MruCache <int, string>(capacity: 3);
cache.Add(1, "one");
cache.Add(2, "two");
cache.Add(3, "three");
Assert.True(cache.TryRemove(1, out var removed));
Assert.AreEqual("one", removed);
Assert.False(cache.TryGetValue(1, out _));
Assert.True(cache.TryGetValue(2, out _));
Assert.True(cache.TryGetValue(3, out _));
}