public void op_ContainsName_Token_whenFalse()
        {
            var obj = new HttpHeaderCollection
            {
                new HttpHeader("foo", "value")
            };

            Assert.False(obj.ContainsName("bar"));
        }
        public void op_ContainsName_TokenNull()
        {
            var obj = new HttpHeaderCollection
            {
                new HttpHeader("name", "foo")
            };

            Assert.Throws <ArgumentNullException>(() => obj.ContainsName(null as string));
        }
        public void op_ContainsName_Token_whenTrue()
        {
            var item = new HttpHeader("name", "value");
            var obj  = new HttpHeaderCollection
            {
                item
            };

            Assert.True(obj.ContainsName("name"));
        }