public void IsProperSupersetOf()
{
var builder = ImmutableSegmentedHashSet.CreateRange(Enumerable.Range(1, 3)).ToBuilder();
Assert.Throws <ArgumentNullException>("other", () => builder.IsProperSupersetOf(null !));
Assert.False(builder.IsProperSupersetOf(Enumerable.Range(1, 3)));
Assert.True(builder.IsProperSupersetOf(Enumerable.Range(1, 2)));
}
public void Overlaps()
{
var builder = ImmutableSegmentedHashSet.CreateRange(Enumerable.Range(1, 3)).ToBuilder();
Assert.Throws <ArgumentNullException>("other", () => builder.Overlaps(null !));
Assert.True(builder.Overlaps(Enumerable.Range(3, 2)));
Assert.False(builder.Overlaps(Enumerable.Range(4, 3)));
}
public void Create()
{
var comparer = StringComparer.OrdinalIgnoreCase;
var set = ImmutableSegmentedHashSet.Create <string?>();
Assert.Equal(0, set.Count);
Assert.Same(EqualityComparer <string> .Default, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create <string?>(comparer);
Assert.Equal(0, set.Count);
Assert.Same(comparer, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create <string?>("a");
Assert.Equal(1, set.Count);
Assert.Same(EqualityComparer <string> .Default, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create <string?>(comparer, "a");
Assert.Equal(1, set.Count);
Assert.Same(comparer, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create <string?>("a", "b");
Assert.Equal(2, set.Count);
Assert.Same(EqualityComparer <string> .Default, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create <string?>(comparer, "a", "b");
Assert.Equal(2, set.Count);
Assert.Same(comparer, set.KeyComparer);
set = ImmutableSegmentedHashSet.CreateRange <string?>((IEnumerable <string>) new[] { "a", "b" });
Assert.Equal(2, set.Count);
Assert.Same(EqualityComparer <string> .Default, set.KeyComparer);
set = ImmutableSegmentedHashSet.CreateRange <string?>(comparer, (IEnumerable <string>) new[] { "a", "b" });
Assert.Equal(2, set.Count);
Assert.Same(comparer, set.KeyComparer);
set = ImmutableSegmentedHashSet.Create((string?)null);
Assert.Equal(1, set.Count);
set = ImmutableSegmentedHashSet.CreateRange(new[] { null, "a", null, "b" });
Assert.Equal(3, set.Count);
}