win32/registry.rb: registry type names

* ext/win32/lib/win32/registry.rb (Win32::Registry#read): show
  registry type names instead of numeric values.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57266 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/win32/lib/win32/registry.rb

@@ -643,7 +643,9 @@ For detail, see the MSDN[http://msdn.microsoft.com/library/en-us/sysinfo/base/pr
     def read(name, *rtype)
       type, data = API.QueryValue(@hkey, name)
       unless rtype.empty? or rtype.include?(type)
-        raise TypeError, "Type mismatch (expect #{rtype.inspect} but #{type} present)"
+        raise TypeError, "Type mismatch (expect [#{
+          rtype.map{|t|Registry.type2name(t)}.join(', ')}] but #{
+          Registry.type2name(type)} present)"
       end
       case type
       when REG_SZ, REG_EXPAND_SZ
@@ -659,7 +661,7 @@ For detail, see the MSDN[http://msdn.microsoft.com/library/en-us/sysinfo/base/pr
       when REG_QWORD
         [ type, API.unpackqw(data) ]
       else
-        raise TypeError, "Type #{type} is not supported."
+        raise TypeError, "Type #{Registry.type2name(type)} is not supported."
       end
     end
 
@@ -682,7 +684,7 @@ For detail, see the MSDN[http://msdn.microsoft.com/library/en-us/sysinfo/base/pr
       when REG_EXPAND_SZ
         Registry.expand_environ(data)
       else
-        raise TypeError, "Type #{type} is not supported."
+        raise TypeError, "Type #{Registry.type2name(type)} is not supported."
       end
     end
 
@@ -755,7 +757,7 @@ For detail, see the MSDN[http://msdn.microsoft.com/library/en-us/sysinfo/base/pr
       when REG_QWORD
         data = API.packqw(data.to_i)
       else
-        raise TypeError, "Unsupported type #{type}"
+        raise TypeError, "Unsupported type #{Registry.type2name(type)}"
       end
       API.SetValue(@hkey, name, type, data, data.bytesize + termsize)
     end