Bugfixes.

UnicodeInformation.Tests/UnicodeInfoTests.cs

@@ -355,6 +355,54 @@ namespace UnicodeInformation.Tests
 			}
         }
 
+        [TestMethod]
+        public void GetNameSuccessTest()
+        {
+            for (int i = 0; i <= 0x10FFFF; i++)
+            {
+                UnicodeInfo.GetName(i);
+            }
+        }
+
+        [TestMethod]
+        public void GetDisplayTextSuccessTest()
+        {
+            for (int i = 0; i <= 0x10FFFF; i++)
+            {
+                UnicodeInfo.GetDisplayText(i);
+            }
+        }
+
+        [TestMethod]
+        public void GetCategorySuccessTest()
+        {
+            for (int i = 0; i <= 0x10FFFF; i++)
+            {
+                UnicodeInfo.GetCategory(i);
+            }
+        }
+
+        [TestMethod]
+        public void GetCharInfoSuccessTest()
+        {
+            for (int i = 0; i <= 0x10FFFF; i++)
+            {
+                UnicodeInfo.GetCharInfo(i);
+            }
+        }
+
+        [TestMethod]
+        public void GetCharInfoCoherenceTest()
+        {
+            for (int i = 0; i <= 0x10FFFF; i++)
+            {
+                var charInfo = UnicodeInfo.GetCharInfo(i);
+
+                Assert.AreEqual(charInfo.Name, UnicodeInfo.GetName(i));
+                Assert.AreEqual(charInfo.Category, UnicodeInfo.GetCategory(i));
+            }
+        }
+
 #if DEBUG
         [TestMethod]
 		public void UnihanCodePointPackingTest()

UnicodeInformation/HangulInfo.cs

@@ -55,7 +55,7 @@ namespace System.Unicode
 
 		internal static bool IsHangul(int codePoint)
 		{
-			return codePoint >= SBase && codePoint <= SBase + SCount;
+			return codePoint >= SBase && codePoint < SBase + SCount;
 		}
 	}
 }

UnicodeInformation/UnicodeCharInfo.cs

@@ -190,7 +190,7 @@ namespace System.Unicode
 		internal UnicodeCharInfo(int codePoint, UnicodeCharacterData unicodeCharacterData, UnihanCharacterData unihanCharacterData, string block)
 		{
 			this.codePoint = codePoint;
-			this.name = UnicodeInfo.GetName(codePoint, unicodeCharacterData);
+			this.name = unicodeCharacterData != null ? UnicodeInfo.GetName(codePoint, unicodeCharacterData) : null;
 			this.unicodeCharacterData = unicodeCharacterData;
 			this.unihanCharacterData = unihanCharacterData;
 			this.block = block;

UnicodeInformation/UnicodeInfo.cs

@@ -435,6 +435,7 @@ namespace System.Unicode
 		{
             if (codePoint <= 0x0020) return ((char)(0x2400 + codePoint)).ToString();
             else if (GetCategory(codePoint) == UnicodeCategory.NonSpacingMark) return "\u25CC" + char.ConvertFromUtf32(codePoint);
+            else if (codePoint >= 0xD800 && codePoint <= 0xDFFF) return "\xFFFD";
             else return char.ConvertFromUtf32(codePoint);
 		}
 
@@ -448,7 +449,14 @@ namespace System.Unicode
 		public static string GetName(int codePoint)
 		{
 			if (HangulInfo.IsHangul(codePoint)) return HangulInfo.GetHangulName((char)codePoint);
-			else return GetName(codePoint, FindUnicodeCodePoint(codePoint));
+			else return GetNameInternal(codePoint);
+		}
+
+        private static string GetNameInternal(int codePoint)
+        {
+            var codePointInfo = FindUnicodeCodePoint(codePoint);
+
+            return codePointInfo != null ? GetName(codePoint, codePointInfo) : null;
         }
 
 		internal static string GetName(int codePoint, UnicodeCharacterData characterData)