[ruby/stringio] StringIO#initialize default to the source string encoding

[Bug #16497]

https://github.com/ruby/stringio/commit/4958a5ccab

1 files changed, 3 insertions, 0 deletions

diff --git a/spec/ruby/library/stringio/initialize_spec.rb b/spec/ruby/library/stringio/initialize_spec.rb
index cc4f4c9254..8aae47dacb 100644
--- a/spec/ruby/library/stringio/initialize_spec.rb
+++ b/spec/ruby/library/stringio/initialize_spec.rb
@@ -187,11 +187,14 @@ end
 describe "StringIO#initialize sets the encoding to" do
   before :each do
     @external = Encoding.default_external
+    @internal = Encoding.default_internal
     Encoding.default_external = Encoding::ISO_8859_2
+    Encoding.default_internal = Encoding::ISO_8859_2
   end
 
   after :each do
     Encoding.default_external = @external
+    Encoding.default_internal = @internal
   end
 
   it "Encoding.default_external when passed no arguments" do