public void Contains_SameKeyDifferentCasing_Found()
        {
            var map = new CaseInsensitiveMap<int>();
            map[ "a" ] = 1;

            Assert.That( map.Contains( "A" ), Is.True );
        }
        public void Contains_KeyValuePairWithSameKeyDifferentCasing_Found()
        {
            var map = new CaseInsensitiveMap<int>();
            map[ "a" ] = 1;

            Assert.That( map.Contains( new KeyValuePair<string, int>( "A", 1 ) ), Is.True );
        }
        public void Contains_KeyValuePairWithSameKeyDifferentCasing_Found()
        {
            var map = new CaseInsensitiveMap <int>();

            map["a"] = 1;

            Assert.That(map.Contains(new KeyValuePair <string, int>("A", 1)), Is.True);
        }
        public void Contains_SameKeyDifferentCasing_Found()
        {
            var map = new CaseInsensitiveMap <int>();

            map["a"] = 1;

            Assert.That(map.Contains("A"), Is.True);
        }