public void KeysArePresent() { var dict = new FastDictionary <int, int>(4); for (int i = 0; i < 100; i++) { dict[i] = i; } int count = 0; foreach (var key in dict.Keys.ToList()) { Assert.True(dict.ContainsKey(key)); Assert.Equal(key, dict[key]); count++; } Assert.Equal(100, count); }