diff options
Diffstat (limited to 'spec/ruby/library/stringio/set_encoding_spec.rb')
-rw-r--r-- | spec/ruby/library/stringio/set_encoding_spec.rb | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/spec/ruby/library/stringio/set_encoding_spec.rb b/spec/ruby/library/stringio/set_encoding_spec.rb index 17aa7df23e..21d45750f3 100644 --- a/spec/ruby/library/stringio/set_encoding_spec.rb +++ b/spec/ruby/library/stringio/set_encoding_spec.rb @@ -2,9 +2,19 @@ require 'stringio' require_relative '../../spec_helper' describe "StringIO#set_encoding" do - it "sets the encoding of the underlying String" do - io = StringIO.new + it "sets the encoding of the underlying String if the String is not frozen" do + str = "".encode(Encoding::US_ASCII) + + io = StringIO.new(str) io.set_encoding Encoding::UTF_8 io.string.encoding.should == Encoding::UTF_8 end + + it "does not set the encoding of the underlying String if the String is frozen" do + str = "".encode(Encoding::US_ASCII).freeze + + io = StringIO.new(str) + io.set_encoding Encoding::UTF_8 + io.string.encoding.should == Encoding::US_ASCII + end end |