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]); } } }