public void TestNonBasic()
{
uint code;
Assert.AreEqual(2, Utf16.ToCode(out code, 0xD834, 0xDD1E));
Assert.AreEqual((uint)0x1D11E, code);
}
public void TestLatinCharacter()
{
uint code;
Assert.AreEqual(1, Utf16.ToCode(out code, 0x7A));
Assert.AreEqual((uint)0x7A, code);
Assert.AreEqual(1, Utf16.ToCode(out code, 0x7A, 0xABCD), "Trail is ignored");
Assert.AreEqual((uint)0x7A, code);
}
public void TestHighSingleComponent()
{
uint code;
Assert.AreEqual(1, Utf16.ToCode(out code, 0x6C34));
Assert.AreEqual((uint)0x6C34, code);
Assert.AreEqual(1, Utf16.ToCode(out code, 0x6C34, 0xABCD), "Trail is ignored");
Assert.AreEqual((uint)0x6C34, code);
}
/// <summary>
/// Writes plain text content to the output stream.
/// </summary>
public void Span(string text)
{
if (text == null)
{
throw new ArgumentNullException("text");
}
int start, end;
for (start = 0, end = 0; end < text.Length; ++end)
{
if (_escapeChars.Contains(text[end]))
{
_writer.Write(text.Substring(start, end - start));
// Write control symbol.
_writer.Write('\\');
_writer.Write(text[end]);
start = end = end + 1;
}
else if (text[end] > 127)
{
_writer.Write(text.Substring(start, end - start));
// Write unicode character.
uint code;
start = end = end + Utf16.ToCode(out code, text, end);
_writer.Write(@"\u{0}?", code);
}
}
if (start < end)
{
_writer.Write(text.Substring(start, end - start));
}
}
