public void DefaultComparerOfTypeIsUsedRegardlessOfCollection()
{
ICollection <string> set = HashSetProvider.NewHashSet <string>(
StringComparer.OrdinalIgnoreCase, "abc");
Assert.IsTrue(set.Contains("ABC"));
Assert.AreEqual(1, set.Count);
Assert.IsFalse(set.SequenceEqual(new[] { "ABC" }));
}
public void SetWithDifferentComparer()
{
ICollection <string> sourceAsCollection = HashSetProvider.NewHashSet
(StringComparer.OrdinalIgnoreCase, "foo", "bar", "baz");
IEnumerable <string> sourceAsSequence = sourceAsCollection;
Assert.IsTrue(sourceAsCollection.Contains("BAR"));
Assert.IsTrue(sourceAsSequence.Contains("BAR")); // This is the line that concerns me
Assert.IsFalse(sourceAsSequence.Contains("BAR", null));
Assert.IsFalse(sourceAsSequence.Contains("BAR", StringComparer.Ordinal));
}