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-rw-r--r--spec/ruby/library/stringio/shared/readchar.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/spec/ruby/library/stringio/shared/readchar.rb b/spec/ruby/library/stringio/shared/readchar.rb
index 4248e75420..72d7446c36 100644
--- a/spec/ruby/library/stringio/shared/readchar.rb
+++ b/spec/ruby/library/stringio/shared/readchar.rb
@@ -19,7 +19,7 @@ end
describe :stringio_readchar_not_readable, shared: true do
it "raises an IOError" do
- io = StringIO.new("a b c d e", "w")
+ io = StringIO.new(+"a b c d e", "w")
-> { io.send(@method) }.should raise_error(IOError)
io = StringIO.new("a b c d e")