public void TestEmptyString()
{
String str1 = "";
CharIterator ct = new CharIterator(str1);
Assert.IsFalse(ct.MoveNext());
}
private static string Unescape(string s)
{
StringBuilder sb = new StringBuilder();
CharIterator i = new CharIterator(s);
while (i.MoveNext())
{
char c = i.Current;
if (c == '%')
{
i.MoveNext();
char c1 = i.Current;
i.MoveNext();
char c2 = i.Current;
sb.Append(( char )((StringUtil.FromHex(c1) << 4) | StringUtil.FromHex(c2)));
}
else if (c == '+')
{
sb.Append(' ');
}
else
{
sb.Append(c);
}
}
return(sb.ToString());
}
private static void Escape(StringBuilder sb, string s)
{
if (s == null)
{
sb.Append("null");
return;
}
CharIterator i = new CharIterator(s);
while (i.MoveNext())
{
char c = i.Current;
if (IsEscaped(c))
{
sb.Append('%');
sb.Append(StringUtil.ToHex((c >> 4) & 15));
sb.Append(StringUtil.ToHex(c & 15));
}
else if (c == ' ')
{
sb.Append('+');
}
else
{
sb.Append(c);
}
}
}
public void TestString1()
{
String str1 = "tcp";
CharIterator ct = new CharIterator(str1);
Assert.IsTrue(ct.MoveNext());
Assert.AreEqual('t', ct.Current);
Assert.IsTrue(ct.MoveNext());
Assert.AreEqual('c', ct.Current);
Assert.IsTrue(ct.MoveNext());
Assert.AreEqual('p', ct.Current);
Assert.IsFalse(ct.MoveNext());
}
public void TestNullString()
{
String str1 = null;
CharIterator ct = new CharIterator(str1);
}