public void ParseStrictList_SetOfValidValueStrings_ParsedCorrectly()
        {
            var inputs = new[]
            {
                "",
                "text1",
                "text2,",
                "textA,textB",
                "text3;q=0.5",
                "text4;q=0.5,",
                " text5 ; q = 0.50 ",
                "\r\n text6 ; q = 0.05 ",
                "text7,text8;q=0.5",
                " text9 , text10 ; q = 0.5 ",
            };
            IList <StringWithQualityHeaderValue> results = StringWithQualityHeaderValue.ParseStrictList(inputs);

            var expectedResults = new[]
            {
                new StringWithQualityHeaderValue("text1"),
                new StringWithQualityHeaderValue("text2"),
                new StringWithQualityHeaderValue("textA"),
                new StringWithQualityHeaderValue("textB"),
                new StringWithQualityHeaderValue("text3", 0.5),
                new StringWithQualityHeaderValue("text4", 0.5),
                new StringWithQualityHeaderValue("text5", 0.5),
                new StringWithQualityHeaderValue("text6", 0.05),
                new StringWithQualityHeaderValue("text7"),
                new StringWithQualityHeaderValue("text8", 0.5),
                new StringWithQualityHeaderValue("text9"),
                new StringWithQualityHeaderValue("text10", 0.5),
            }.ToList();

            Assert.Equal(expectedResults, results);
        }
        public void ParseStrictList_WithSomeInvlaidValues_Throws()
        {
            var inputs = new[]
            {
                "",
                "text1",
                "text 1",
                "text2",
                "\"text 2\",",
                "text3;q=0.5",
                "text4;q=0.5, extra stuff",
                " text5 ; q = 0.50 ",
                "\r\n text6 ; q = 0.05 ",
                "text7,text8;q=0.5",
                " text9 , text10 ; q = 0.5 ",
            };

            Assert.Throws <FormatException>(() => StringWithQualityHeaderValue.ParseStrictList(inputs));
        }