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-rw-r--r--spec/ruby/core/argf/shared/read.rb4
1 files changed, 2 insertions, 2 deletions
diff --git a/spec/ruby/core/argf/shared/read.rb b/spec/ruby/core/argf/shared/read.rb
index fe903983c0..e76d022139 100644
--- a/spec/ruby/core/argf/shared/read.rb
+++ b/spec/ruby/core/argf/shared/read.rb
@@ -15,7 +15,7 @@ describe :argf_read, shared: true do
it "treats second argument as an output buffer" do
argf [@file1_name] do
- buffer = ""
+ buffer = +""
@argf.send(@method, @file1.size, buffer)
buffer.should == @file1
end
@@ -23,7 +23,7 @@ describe :argf_read, shared: true do
it "clears output buffer before appending to it" do
argf [@file1_name] do
- buffer = "to be cleared"
+ buffer = +"to be cleared"
@argf.send(@method, @file1.size, buffer)
buffer.should == @file1
end