Update to ruby/spec@51f301d

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62605 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/command_line/dash_upper_e_spec.rb

@@ -4,9 +4,11 @@ describe "ruby -E" do
     result.should == "EUC-JP"
   end
 
-  it "also sets the filesystem encoding with '-E external'" do
-    result = ruby_exe("print Encoding.find('filesystem')", options: '-E euc-jp')
-    result.should == "EUC-JP"
+  platform_is_not :windows do
+    it "also sets the filesystem encoding with '-E external'" do
+      result = ruby_exe("print Encoding.find('filesystem')", options: '-E euc-jp')
+      result.should == "EUC-JP"
+    end
   end
 
   it "sets the external encoding with '-E external:'" do

spec/ruby/core/encoding/default_external_spec.rb

@@ -35,9 +35,11 @@ with_feature :encoding do
       Encoding.find('external').should == Encoding::SHIFT_JIS
     end
 
-    it "also sets the filesystem encoding" do
-      Encoding.default_external = Encoding::SHIFT_JIS
-      Encoding.find('filesystem').should == Encoding::SHIFT_JIS
+    platform_is_not :windows do
+      it "also sets the filesystem encoding" do
+        Encoding.default_external = Encoding::SHIFT_JIS
+        Encoding.find('filesystem').should == Encoding::SHIFT_JIS
+      end
     end
 
     it "can accept a name of an encoding as a String" do