<PackageReference Include="System.Text.Encodings.Web" Version="6.0.0-rc.1.21451.13" />

UnicodeDebug

static class UnicodeDebug
using System.Diagnostics; using System.Runtime.CompilerServices; namespace System.Text { internal static class UnicodeDebug { [Conditional("DEBUG")] internal static void AssertIsBmpCodePoint(uint codePoint) { System.Text.UnicodeUtility.IsBmpCodePoint(codePoint); } [Conditional("DEBUG")] internal static void AssertIsHighSurrogateCodePoint(uint codePoint) { System.Text.UnicodeUtility.IsHighSurrogateCodePoint(codePoint); } [Conditional("DEBUG")] internal static void AssertIsLowSurrogateCodePoint(uint codePoint) { System.Text.UnicodeUtility.IsLowSurrogateCodePoint(codePoint); } [Conditional("DEBUG")] internal static void AssertIsValidCodePoint(uint codePoint) { System.Text.UnicodeUtility.IsValidCodePoint(codePoint); } [Conditional("DEBUG")] internal static void AssertIsValidScalar(uint scalarValue) { System.Text.UnicodeUtility.IsValidUnicodeScalar(scalarValue); } [Conditional("DEBUG")] internal static void AssertIsValidSupplementaryPlaneScalar(uint scalarValue) { if (System.Text.UnicodeUtility.IsValidUnicodeScalar(scalarValue)) System.Text.UnicodeUtility.IsBmpCodePoint(scalarValue); } private static string ToHexString(uint codePoint) { return FormattableString.Invariant(FormattableStringFactory.Create("U+{0:X4}", codePoint)); } } }