public void ToImmutableDictionary()
{
ImmutableSegmentedDictionary <int, int> .Builder builder =
ImmutableSegmentedDictionary.CreateBuilder <int, int>();
builder.Add(0, 0);
builder.Add(1, 1);
builder.Add(2, 2);
var dictionary = builder.ToImmutableSegmentedDictionary();
Assert.Equal(0, dictionary[0]);
Assert.Equal(1, dictionary[1]);
Assert.Equal(2, dictionary[2]);
builder[1] = 5;
Assert.Equal(5, builder[1]);
Assert.Equal(1, dictionary[1]);
builder.Clear();
Assert.True(builder.ToImmutableSegmentedDictionary().IsEmpty);
Assert.False(dictionary.IsEmpty);
ImmutableSegmentedDictionary <int, int> .Builder?nullBuilder = null;
Assert.Throws <ArgumentNullException>(
"builder",
() => nullBuilder !.ToImmutableSegmentedDictionary()
);
}
public void Clear_HasComparer_ReturnsEmptyWithOriginalComparer()
{
ImmutableSegmentedDictionary <string, int> dictionary = new Dictionary <string, int>
{
{ "a", 1 }
}.ToImmutableSegmentedDictionary(StringComparer.OrdinalIgnoreCase);
ImmutableSegmentedDictionary <string, int> clearedDictionary = dictionary.Clear();
Assert.False(IsSame(ImmutableSegmentedDictionary <string, int> .Empty, clearedDictionary.Clear()));
Assert.NotEmpty(dictionary);
clearedDictionary = clearedDictionary.Add("a", 1);
Assert.True(clearedDictionary.ContainsKey("A"));
}