void TestEquals()
{
CString cs = "hello unity";
string str = "hello unity";
string str1 = "hello";
if (cs == str)
{
Debug.Log("operator==(CString a, string b) ok");
}
else
{
Debug.LogError("operator==(CString a, string b) failed");
}
if (cs != str1)
{
Debug.Log("operator!=(CString a, string b) ok");
}
else
{
Debug.LogError("operator!=(CString a, string b) failed");
}
if (str == cs)
{
Debug.Log("operator==(string a, CString b) ok");
}
else
{
Debug.LogError("operator==(string a, CString b) failed");
}
if (str1 != cs)
{
Debug.Log("operator!=(string a, CString b) ok");
}
else
{
Debug.LogError("operator!=(string a, CString b) failed");
}
if (cs.Equals(str) && !cs.Equals(str1))
{
Debug.Log("CString.Equals(string str) ok");
}
else
{
Debug.LogError("CString.Equals(string str) failed");
}
if (str.Equals(cs)) //无法扩展替换，因为被 Equals(object obj) 先匹配掉了
{
Debug.Log("String.Equals(CString cs) ok");
}
else
{
Debug.LogError("String.Equals(CString cs) failed: sorry can't override this operator, don't use as this");
}
}
void TestEmptyOrNull()
{
CString str = new CString(0);
if (CString.IsNullOrEmpty(null) && CString.IsNullOrEmpty(str))
{
Debug.Log("CString.IsNullOrEmpty(CString cs) ok");
}
else
{
Debug.LogError("CString.IsNullOrEmpty(CString cs) failed");
}
if (CString.IsNullOrWhiteSpace(null) && CString.IsNullOrWhiteSpace(" "))
{
Debug.Log("CString.IsNullOrWhiteSpace(CString cs) ok");
}
else
{
Debug.LogError("CString.IsNullOrWhiteSpace(CString cs) failed");
}
str = null;
CString str1 = null;
if (str == null && str == str1 && CString.Equals(str, null))
{
Debug.Log("CString compare to null ok");
}
else
{
Debug.LogError("CString compare to null failed");
}
}