public void testToTongyongPinyinStringArray() { // any input of non-Chinese characters will return null { Assert.IsNull(PinyinHelper.ToTongyongPinyinStringArray('A')); Assert.IsNull(PinyinHelper.ToTongyongPinyinStringArray('z')); Assert.IsNull(PinyinHelper.ToTongyongPinyinStringArray(',')); Assert.IsNull(PinyinHelper.ToTongyongPinyinStringArray('。')); } // Chinese characters // single pronounciation { string[] expectedPinyinArray = new string[] { "li3" }; string[] pinyinArray = PinyinHelper.ToTongyongPinyinStringArray('李'); Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length); for (int i = 0; i < expectedPinyinArray.Length; i++) { Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]); } } { string[] expectedPinyinArray = new string[] { "ciou2" }; string[] pinyinArray = PinyinHelper.ToTongyongPinyinStringArray('球'); Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length); for (int i = 0; i < expectedPinyinArray.Length; i++) { Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]); } } { string[] expectedPinyinArray = new string[] { "jhuang1" }; string[] pinyinArray = PinyinHelper.ToTongyongPinyinStringArray('桩'); Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length); for (int i = 0; i < expectedPinyinArray.Length; i++) { Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]); } } // multiple pronounciations { string[] expectedPinyinArray = new string[] { "chuan2", "jhuan4" }; string[] pinyinArray = PinyinHelper.ToTongyongPinyinStringArray('传'); Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length); for (int i = 0; i < expectedPinyinArray.Length; i++) { Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]); } } { string[] expectedPinyinArray = new string[] { "lyu4", "lu4" }; string[] pinyinArray = PinyinHelper.ToTongyongPinyinStringArray('绿'); Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length); for (int i = 0; i < expectedPinyinArray.Length; i++) { Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]); } } }