public void RemoveTest()
{
ImmutableTrieList <int> list = ImmutableTrieList <int> .Empty;
for (int i = 1; i <= 10; i++)
{
list = list.Add(i * 10);
}
list = list.Remove(30);
Assert.Equal(9, list.Count);
Assert.False(list.Contains(30));
list = list.Remove(100);
Assert.Equal(8, list.Count);
Assert.False(list.Contains(100));
list = list.Remove(10);
Assert.Equal(7, list.Count);
Assert.False(list.Contains(10));
var removeList = new int[] { 20, 70 };
list = list.RemoveAll(item => removeList.Contains(item));
Assert.Equal(5, list.Count);
Assert.False(list.Contains(20));
Assert.False(list.Contains(70));
IImmutableList <int> list2 = ImmutableTrieList <int> .Empty;
for (int i = 1; i <= 10; i++)
{
list2 = list2.Add(i * 10);
}
list2 = list2.Remove(30);
Assert.Equal(9, list2.Count);
Assert.False(list2.Contains(30));
list2 = list2.Remove(100);
Assert.Equal(8, list2.Count);
Assert.False(list2.Contains(100));
list2 = list2.Remove(10);
Assert.Equal(7, list2.Count);
Assert.False(list2.Contains(10));
list2 = list2.RemoveAll(item => removeList.Contains(item));
Assert.Equal(5, list2.Count);
Assert.False(list2.Contains(20));
Assert.False(list2.Contains(70));
}