/// <summary>
/// 耶鲁方案
/// </summary>
/// <param name="ch"></param>
/// <returns></returns>
private static string GetFirstYelePinyinString(char ch)
{
string[] pinyinStrArray = PinyinHelper.ToYalePinyinStringArray(ch);
if ((null != pinyinStrArray) && (pinyinStrArray.Length > 0))
{
return(pinyinStrArray[0]);
}
else
{
return(null);
}
}
public void testToYalePinyinStringArray()
{
// any input of non-Chinese characters will return null
{
Assert.IsNull(PinyinHelper.ToYalePinyinStringArray('A'));
Assert.IsNull(PinyinHelper.ToYalePinyinStringArray('z'));
Assert.IsNull(PinyinHelper.ToYalePinyinStringArray(','));
Assert.IsNull(PinyinHelper.ToYalePinyinStringArray('。'));
}
// Chinese characters
// single pronounciation
{
string[] expectedPinyinArray = new string[] { "li3" };
string[] pinyinArray = PinyinHelper.ToYalePinyinStringArray('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[] { "chyou2" };
string[] pinyinArray = PinyinHelper.ToYalePinyinStringArray('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[] { "jwang1" };
string[] pinyinArray = PinyinHelper.ToYalePinyinStringArray('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[] { "chwan2", "jwan4" };
string[] pinyinArray = PinyinHelper.ToYalePinyinStringArray('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.ToYalePinyinStringArray('绿');
Assert.AreEqual(expectedPinyinArray.Length, pinyinArray.Length);
for (int i = 0; i < expectedPinyinArray.Length; i++)
{
Assert.AreEqual(expectedPinyinArray[i], pinyinArray[i]);
}
}
}
