public void AllowForUPlusNotation()
{
var errorMessage = "Handle U+ or u+ notation";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jU+1234"), Is.EqualTo("111j\u1234"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("u+1234"), Is.EqualTo("\u1234"), errorMessage);
}
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 ManyDigitsAtEndOnlyAccountsForLastFour()
{
var errorMessage = "Only handle last 4 digits";
// Only supporting 4 digits presently
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111j12345"), Is.EqualTo("111j1\u2345"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jaaaaa"), Is.EqualTo("111ja\uaaaa"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jaaaaaa"), Is.EqualTo("111jaa\uaaaa"), errorMessage);
}
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");
}
public void EndingInNumberGivesConversion()
{
var errorMessage = "should have converted ending numbers to unicode character";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("1234"), Is.EqualTo("\u1234"), "should have converted to unicode character");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("222j333"), Is.EqualTo("222j\u0333"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("j333"), Is.EqualTo("j\u0333"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("j1234"), Is.EqualTo("j\u1234"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("222j1234"), Is.EqualTo("222j\u1234"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jabc"), Is.EqualTo("111j\u0abc"), errorMessage);
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("BbzcCx111jAbC"), Is.EqualTo("BbzcCx111j\u0abc"), "Should have handled mixed-case hex digits");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("11\n1jabc"), Is.EqualTo("11\n1j\u0abc"), "Should have worked even with a newline character in input");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("FFFF"), Is.EqualTo("\uFFFF"), "should have supported high numbers");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jedcb"), Is.EqualTo("111j\uedcb"), "should have supported high numbers");
}
public void HandlerSetsIPCorrectlyWhenConvertFromCharAtEnd()
{
var keyEventArgs = new KeyEventArgs(Keys.Alt | Keys.X);
using (var textBox = new TextBox())
{
textBox.Text = "Some \u1234";
textBox.SelectionStart = 6;
UnicodeCharacterEditingHelper.HandleKeyDown(textBox, keyEventArgs);
Assert.That(textBox.Text, Is.EqualTo("Some 1234"),
"The string should have been converted the character back to numbers");
Assert.That(textBox.SelectionStart, Is.EqualTo(9),
"SelectionStart should have been moved forward");
}
}
public void TextSuffixReturnsSame()
{
var errorMessage = "should not have changed an input that did not end in numbers";
string input = "xyz";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter(input), Is.EqualTo(input), errorMessage);
input = "111jabcj2222xyz";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter(input), Is.EqualTo(input), errorMessage);
input = null;
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter(input), Is.EqualTo(input), errorMessage);
// Ends in space
input = "1234 ";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter(input), Is.EqualTo(input), errorMessage);
input = "";
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter(input), Is.EqualTo(input), errorMessage);
}
public void HandlerSetsIPCorrectlyWhenConvertToCharAtEnd()
{
var keyEventArgs = new KeyEventArgs(Keys.Alt | Keys.X);
using (var textBox = new TextBox())
{
textBox.Text = "Some 1234";
textBox.SelectionStart = 9;
UnicodeCharacterEditingHelper.HandleKeyDown(textBox, keyEventArgs);
Assert.That(textBox.Text, Is.EqualTo("Some \u1234"),
"The string should have been converted to include the unicode character");
Assert.That(textBox.SelectionStart, Is.EqualTo(6),
"SelectionStart should have been moved back");
}
}
public void ConvertRLMAtEnd()
{
var keyEventArgs = new KeyEventArgs(Keys.Alt | Keys.X);
using (var textBox = new TextBox())
{
textBox.Text = "Blah 200F";
textBox.TextChanged += SpecialCharacterHandling.RevealInvisibleCharacters;
textBox.SelectionStart = 9;
UnicodeCharacterEditingHelper.HandleKeyDown(textBox, keyEventArgs);
Assert.That(textBox.Text, Is.EqualTo("Blah∙[RLM]"),
"The string should have been converted to include the character and then to visible characters");
Assert.That(textBox.SelectionStart, Is.EqualTo(10),
"SelectionStart should be positioned based on 200F ultimately converting to [RLM]");
}
}
public void ConvertRLM()
{
var keyEventArgs = new KeyEventArgs(Keys.Alt | Keys.X);
using (var textBox = new TextBox())
{
textBox.Text = "Some 200Ftext here";
textBox.TextChanged += SpecialCharacterHandling.RevealInvisibleCharacters;
textBox.SelectionStart = 9;
UnicodeCharacterEditingHelper.HandleKeyDown(textBox, keyEventArgs);
Assert.That(textBox.Text, Is.EqualTo("Some∙[RLM]text∙here"),
"The string should have been converted to 'Some∙[RLM]text∙here'");
Assert.That(textBox.SelectionStart, Is.EqualTo(10),
"SelectionStart should be positioned based on 200F converting to [RLM]");
}
}
public void EndingInHexDigitsForSurrogateDoesNotOperate()
{
Assert.That(UnicodeCharacterEditingHelper.ConvertFinalDigitsToCharacter("111jD834"), Is.EqualTo("111jD834"), "Don't operate on surrogates");
}
public void ConvertEitherWay()
{
Assert.That(UnicodeCharacterEditingHelper.ConvertFinal("Some text here1234"), Is.EqualTo("Some text here\u1234"), "Should have detected final numbers and given a unicode character");
Assert.That(UnicodeCharacterEditingHelper.ConvertFinal("Some text here!"), Is.EqualTo("Some text here0021"), "Should have detected final non-number character and given four hex digits representing it");
}