public void FindMatchesTest()
        {
            var matcher = new ChineseZhCnPinYinInitialsMatchProvider(false);
            var dspen   = matcher.GetProviderDescriptionEn();
            var dsp     = matcher.GetProviderDescription();

            Assert.IsTrue(matcher.GetProviderName() == nameof(ChineseZhCnPinYinInitialsMatchProvider));

            {
                var ret = matcher.DoMatches(new MatchCache(""), new[] { "" });
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }


            {
                var ret = matcher.DoMatches(new MatchCache("a"), new[] { "" });
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }


            {
                var kws = new[] { "a" };
                var sd  = new MatchCache("abcdefg");
                matcher.AppendDescriptions(ref sd);
                // no Chinese
                Assert.IsTrue(
                    sd.SpellCaches[nameof(ChineseZhCnPinYinInitialsMatchProvider)] is SpellCache sc &&
                    sc.Units.All(x => x.Count == 0));
                var ret = matcher.DoMatches(sd, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }

            {
                string org = "abcdefg";
                var    kws = new[] { "a" };
                var    ret = matcher.DoMatches(new MatchCache(org), kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == false); // false by no Chinese char
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "a");
            }

            {
                string org = "abcdefg";
                var    kws = new[] { "A" };
                var    ret = matcher.DoMatches(new MatchCache(org), kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == false); // false by no Chinese char
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "A");
            }

            var test = new MatchCache("多重多次,行中Ab, ");

            matcher.AppendDescriptions(ref test);
            Assert.IsTrue(test.SpellCaches[matcher.GetProviderName()].GetProviderName() == matcher.GetProviderName());


            {
                var ret = matcher.DoMatches(new MatchCache("大夫"), new[] { "df" });
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                Assert.IsTrue(ret.HitFlags.All(x => x));
            }

            {
                var ret = matcher.DoMatches(new MatchCache("大夫"), new[] { "tf" });
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                Assert.IsTrue(ret.HitFlags.All(x => x));
            }

            {
                var kws = new[] { "DZ" };
                var ret = matcher.DoMatches(new MatchCache("多重多次,行中Ab, "), kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "DC" };
                matcher.AppendDescriptions(ref test);
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == true &&
                              m[3] == true &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "Dz", "HZ" };
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "XZA" };
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == true &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "XZAb" };
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == true &&
                              m[8] == true &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "aB", "," };
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == true &&
                              m[8] == true &&
                              m[9] == true &&
                              m[10] == false);
            }



            {
                var kws = new[] { ",", ", " };
                var ret = matcher.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == true &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == true &&
                              m[10] == true);
            }
        }
        public void FindMatchesTestCase()
        {
            var matcherCase = new ChineseZhCnPinYinInitialsMatchProvider(true);
            var dspen       = matcherCase.GetProviderDescriptionEn();
            var dsp         = matcherCase.GetProviderDescription();

            {
                var ret = matcherCase.DoMatches(new MatchCache(""), new[] { "" });
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }


            {
                var ret = matcherCase.DoMatches(new MatchCache("a"), new[] { "" });
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }

            {
                string org = "abcdefg";
                var    kws = new[] { "a" };
                var    ret = matcherCase.DoMatches(new MatchCache(org), kws);
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "a");
                Assert.IsTrue(ret.IsMatchAllKeywords == false); // false by no Chinese char
            }

            {
                string org = "abcdefg";
                var    kws = new[] { "A" };
                var    ret = matcherCase.DoMatches(new MatchCache(org), kws);
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "A");
                Assert.IsTrue(ret.IsMatchAllKeywords == false); // false by no Chinese char
            }

            var test = new MatchCache("多重多次,行中Ab, ");

            matcherCase.AppendDescriptions(ref test);

            {
                var kws = new[] { "DZ" };
                var ret = matcherCase.DoMatches(new MatchCache("多重多次,行中Ab, "), kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "DC" };
                matcherCase.AppendDescriptions(ref test);
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == true &&
                              m[3] == true &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "Dz", "HZ" };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "XZA" };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == true &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "XZAb" };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == true &&
                              m[6] == true &&
                              m[7] == true &&
                              m[8] == true &&
                              m[9] == false &&
                              m[10] == false);
            }

            {
                var kws = new[] { "XZab" };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }

            {
                var kws = new[] { "aB", "," };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
            }



            {
                var kws = new[] { ",", ", " };
                var ret = matcherCase.DoMatches(test, kws);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == false &&
                              m[1] == false &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == true &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == true &&
                              m[10] == true);
            }


            {
                var ret = matcherCase.DoMatches(new MatchCache("大夫A"), new[] { "DF", "B" });
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == 3 &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false);
            }
        }
        public void DoMatchesTest()
        {
            var matcher1 = new DirectMatchProvider(false);
            var matcher2 = new ChineseZhCnPinYinInitialsMatchProvider(false);
            var test     = new MatchCache("多重hello world");

            matcher1.AppendDescriptions(ref test);
            matcher2.AppendDescriptions(ref test);

            {
                bool throwException = false;
                try
                {
                    var ret = matcher1.DoMatches(new MatchCache("123"), new List <string>()
                    {
                        "dc"
                    });
                    var ret2 = matcher1.DoMatches(new MatchCache("abc"), new List <string>()
                    {
                        "dc"
                    });
                    ret.Merge(ret2);
                }
                catch (Exception e)
                {
                    Console.WriteLine(e);
                    throwException = true;
                }

                Assert.IsTrue(throwException);
            }

            {
                var ret = matcher1.DoMatches(test, new List <string>()
                {
                    "dc"
                });
                var ret2 = matcher2.DoMatches(test, new List <string>()
                {
                    "dc"
                });
                ret.Merge(ret2);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "dc");
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false &&
                              m[11] == false &&
                              m[12] == false);
            }

            {
                var kws = new List <string>()
                {
                    "dc"
                };
                var ret  = matcher1.DoMatches(test, kws);
                var ret2 = matcher2.DoMatches(test, kws);
                ret.Merge(ret2);
                Assert.IsTrue(ret.Keywords.Count == 1 && ret.Keywords[0] == "dc");
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == false &&
                              m[9] == false &&
                              m[10] == false &&
                              m[11] == false &&
                              m[12] == false);
            }


            {
                var ret = matcher1.DoMatches(test, new List <string>()
                {
                    "wor"
                });
                var ret2 = matcher2.DoMatches(test, new List <string>()
                {
                    "Dc"
                });
                ret.Merge(ret2);
                Assert.IsTrue(ret.IsMatchAllKeywords == true);
                var m = ret.HitFlags;
                Assert.IsTrue(ret.Keywords.Count == 2 && ret.Keywords.Any(x => x == "Dc") && ret.Keywords.Any(x => x == "wor"));
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == true &&
                              m[9] == true &&
                              m[10] == true &&
                              m[11] == false &&
                              m[12] == false);
            }

            {
                var ret = matcher2.DoMatches(test, new List <string>()
                {
                    "dc"
                });
                ret.Merge(matcher1.DoMatches(test, new List <string>()
                {
                    "wor", "abs"
                }));
                Assert.IsTrue(ret.IsMatchAllKeywords == false);
                Assert.IsTrue(ret.Keywords.Count == 3);
                var m = ret.HitFlags;
                Assert.IsTrue(m.Count == test.StringLength &&
                              m[0] == true &&
                              m[1] == true &&
                              m[2] == false &&
                              m[3] == false &&
                              m[4] == false &&
                              m[5] == false &&
                              m[6] == false &&
                              m[7] == false &&
                              m[8] == true &&
                              m[9] == true &&
                              m[10] == true &&
                              m[11] == false &&
                              m[12] == false);
            }
        }