Updated the implementation of Unicode blocks, and added tests.

UnicodeInformation.Tests/UnicodeInfoTests.cs

@@ -64,21 +64,24 @@ namespace UnicodeInformation.Tests
 			Assert.AreEqual("\u00E9", UnicodeInfo.GetDisplayText(0x00E9));
 		}
 
-		private static void AssertChar(int codePoint, UnicodeCategory category, string name)
+		private static void AssertChar(int codePoint, UnicodeCategory category, string name, string block)
 		{
 			var info = UnicodeInfo.GetCharInfo(codePoint);
 			Assert.AreEqual(codePoint, info.CodePoint);
             Assert.AreEqual(category, info.Category);
 			Assert.AreEqual(name, info.Name);
+			Assert.AreEqual(block, UnicodeInfo.GetBlockName(codePoint));
+			Assert.AreEqual(block, info.Block);
 		}
 
 		[TestMethod]
 		public void CharacterInfoTest()
 		{
-			AssertChar(0x0041, UnicodeCategory.UppercaseLetter, "LATIN CAPITAL LETTER A");
-			AssertChar(0x1F600, UnicodeCategory.OtherSymbol, "GRINNING FACE");
-			AssertChar(0x00E9, UnicodeCategory.LowercaseLetter, "LATIN SMALL LETTER E WITH ACUTE");
-			AssertChar(0xD4DB, UnicodeCategory.OtherLetter, "HANGUL SYLLABLE PWILH");
+			AssertChar(0x0041, UnicodeCategory.UppercaseLetter, "LATIN CAPITAL LETTER A", "Basic Latin");
+			AssertChar(0x1F600, UnicodeCategory.OtherSymbol, "GRINNING FACE", "Emoticons");
+			AssertChar(0x00E9, UnicodeCategory.LowercaseLetter, "LATIN SMALL LETTER E WITH ACUTE", "Latin-1 Supplement");
+			AssertChar(0xD4DB, UnicodeCategory.OtherLetter, "HANGUL SYLLABLE PWILH", "Hangul Syllables");
+			AssertChar(0x1F574, UnicodeCategory.OtherSymbol, "MAN IN BUSINESS SUIT LEVITATING", "Miscellaneous Symbols and Pictographs");
 		}
 
 		[TestMethod]
@@ -141,6 +144,15 @@ namespace UnicodeInformation.Tests
 			Assert.AreEqual("HANGUL SYLLABLE TOLM", UnicodeInfo.GetName(0xD1AA));
 		}
 
+		[TestMethod]
+		public void BlockNameTest()
+		{
+			Assert.AreEqual("Basic Latin", UnicodeInfo.GetBlockName(0x0041));
+			Assert.AreEqual("Miscellaneous Technical", UnicodeInfo.GetBlockName(0x2307));
+			Assert.AreEqual("Hangul Syllables", UnicodeInfo.GetBlockName(0xD311));
+			Assert.AreEqual("Miscellaneous Symbols and Pictographs", UnicodeInfo.GetBlockName(0x1F574));
+		}
+
 #if DEBUG
 		[TestMethod]
 		public void UnihanCodePointPackingTest()

UnicodeInformation/UnicodeCharInfo.cs

@@ -20,7 +20,7 @@ namespace System.Unicode
 		public string Name { get { return name; } }
 
 		public UnicodeCategory Category { get { return unicodeCharacterData?.Category ?? UnicodeCategory.OtherNotAssigned; } }
-		public string Block { get { return block ?? "No_Block"; } }
+		public string Block { get { return block ?? UnicodeInfo.DefaultBlock; } }
 		public CanonicalCombiningClass CanonicalCombiningClass { get { return unicodeCharacterData?.CanonicalCombiningClass ?? CanonicalCombiningClass.NotReordered; } }
 		public BidirectionalClass BidirectionalClass { get { return unicodeCharacterData?.BidirectionalClass ?? BidirectionalClass.LeftToRight; } }
 		public CompatibilityFormattingTag DecompositionType { get { return unicodeCharacterData?.DecompositionType ?? CompatibilityFormattingTag.Canonical; } }

UnicodeInformation/UnicodeInfo.cs

@@ -12,7 +12,9 @@ namespace System.Unicode
 {
 	public static class UnicodeInfo
 	{
-		private static readonly Version unicodeVersion;
+		public const string DefaultBlock = "No_Block";
+
+        private static readonly Version unicodeVersion;
 		private static readonly UnicodeCharacterData[] unicodeCharacterData;
 		private static readonly UnihanCharacterData[] unihanCharacterData;
 		private static readonly UnicodeBlock[] blocks;
@@ -250,11 +252,11 @@ namespace System.Unicode
 			return -1;
 		}
 
-		private static string GetBlockName(int codePoint)
+		public static string GetBlockName(int codePoint)
 		{
 			int i = FindBlockIndex(codePoint);
 
-			return i >= 0 ? blocks[i].Name : null;
+			return i >= 0 ? blocks[i].Name : DefaultBlock;
 		}
 
 		public static UnicodeCharInfo GetCharInfo(int codePoint)