private static void VerifyNonexistentChars()
{
Icu.InitIcuDataDir();
Assert.IsFalse(Icu.IsAlphabetic(kChar1));
Assert.IsFalse(Icu.IsAlphabetic(kChar2));
Assert.IsFalse(Icu.IsAlphabetic(kChar3));
Assert.IsFalse(Icu.IsAlphabetic(kChar4));
Assert.IsFalse(Icu.IsControl(kChar1));
Assert.IsFalse(Icu.IsControl(kChar2));
Assert.IsFalse(Icu.IsControl(kChar3));
Assert.IsFalse(Icu.IsControl(kChar4));
Assert.IsFalse(Icu.IsDiacritic(kChar1));
Assert.IsFalse(Icu.IsDiacritic(kChar2));
Assert.IsFalse(Icu.IsDiacritic(kChar3));
Assert.IsFalse(Icu.IsDiacritic(kChar4));
Assert.IsFalse(Icu.IsIdeographic(kChar1));
Assert.IsFalse(Icu.IsIdeographic(kChar2));
Assert.IsFalse(Icu.IsIdeographic(kChar3));
Assert.IsFalse(Icu.IsIdeographic(kChar4));
Assert.IsFalse(Icu.IsNumeric(kChar1));
Assert.IsFalse(Icu.IsNumeric(kChar2));
Assert.IsFalse(Icu.IsNumeric(kChar3));
Assert.IsFalse(Icu.IsNumeric(kChar4));
Assert.IsFalse(Icu.IsPunct(kChar1));
Assert.IsFalse(Icu.IsPunct(kChar2));
Assert.IsFalse(Icu.IsPunct(kChar3));
Assert.IsFalse(Icu.IsPunct(kChar4));
Assert.IsFalse(Icu.IsSpace(kChar1));
Assert.IsFalse(Icu.IsSpace(kChar2));
Assert.IsFalse(Icu.IsSpace(kChar3));
Assert.IsFalse(Icu.IsSpace(kChar4));
Assert.IsFalse(Icu.IsSymbol(kChar1));
Assert.IsFalse(Icu.IsSymbol(kChar2));
Assert.IsFalse(Icu.IsSymbol(kChar3));
Assert.IsFalse(Icu.IsSymbol(kChar4));
Assert.AreEqual(Icu.UCharCategory.U_PRIVATE_USE_CHAR, Icu.GetCharType(kChar1));
Assert.AreEqual(Icu.UCharCategory.U_PRIVATE_USE_CHAR, Icu.GetCharType(kChar2));
Assert.AreEqual(Icu.UCharCategory.U_UNASSIGNED, Icu.GetCharType(kChar3));
Assert.AreEqual(Icu.UCharCategory.U_UNASSIGNED, Icu.GetCharType(kChar4));
var decompositionType = Icu.GetDecompositionType(kChar1);
Assert.AreEqual("[none]", decompositionType.Description);
decompositionType = Icu.GetDecompositionType(kChar2);
Assert.AreEqual("[none]", decompositionType.Description);
decompositionType = Icu.GetDecompositionType(kChar3);
Assert.AreEqual("[none]", decompositionType.Description);
decompositionType = Icu.GetDecompositionType(kChar4);
Assert.AreEqual("[none]", decompositionType.Description);
var numericType = Icu.GetNumericType(kChar1);
Assert.AreEqual("[none]", numericType.Description);
numericType = Icu.GetNumericType(kChar2);
Assert.AreEqual("[none]", numericType.Description);
numericType = Icu.GetNumericType(kChar3);
Assert.AreEqual("[none]", numericType.Description);
numericType = Icu.GetNumericType(kChar4);
Assert.AreEqual("[none]", numericType.Description);
var prettyName = Icu.GetPrettyICUCharName("\xE000");
Assert.IsNull(prettyName);
prettyName = Icu.GetPrettyICUCharName("\xE001");
Assert.IsNull(prettyName);
prettyName = Icu.GetPrettyICUCharName(kChar3S);
Assert.IsNull(prettyName);
prettyName = Icu.GetPrettyICUCharName("\xDDDDD");
Assert.IsNull(prettyName);
}