public void CharacterToNumbersIsNoopForEmptyOrNullInput()
{
string input = "";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint(input), Is.EqualTo(input), "Don't change if empty string");
input = null;
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint(input), Is.EqualTo(input), "Don't change if null");
}
public void CharacterToNumbersDoesNotOperateOnSurrogates()
{
string input;
input = "\uD834\uDD1E";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint(input), Is.EqualTo(input), "Don't operate on surrogates");
input = "\U0001D11E";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint(input), Is.EqualTo(input), "Don't operate on the resulting surrogates");
}
public void CharacterToNumbersConvertsFinal()
{
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("A"), Is.EqualTo("0041"), "should have converted final character to four hex-digit unicode representation");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("AA"), Is.EqualTo("A0041"));
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("1234A"), Is.EqualTo("12340041"));
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("\u1234"), Is.EqualTo("1234"));
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("AA\u1234"), Is.EqualTo("AA1234"));
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("AA5555"), Is.EqualTo("AA5550035"), "Should have converted final character to four hex-digit representation");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalCharacterToCodepoint("AB\nBA"), Is.EqualTo("AB\nB0041"), "Should have worked even with a newline character in input");
}