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authorBenoit Daloze <[email protected]>2022-11-07 20:05:30 +0100
committerBenoit Daloze <[email protected]>2022-11-07 20:05:30 +0100
commit83decbb62b8b3f1638927033f12b55f9b11f78c6 (patch)
tree8995f5b5cdb615f3d19edded66c6a9a9e82f159c /spec/ruby/library/stringio/putc_spec.rb
parentc99e4c427897e82a3419abed894d28705f70fa13 (diff)
Update to ruby/spec@740ccc8
Diffstat (limited to 'spec/ruby/library/stringio/putc_spec.rb')
-rw-r--r--spec/ruby/library/stringio/putc_spec.rb15
1 files changed, 15 insertions, 0 deletions
diff --git a/spec/ruby/library/stringio/putc_spec.rb b/spec/ruby/library/stringio/putc_spec.rb
index 223b3523e5..1ce53b7ef2 100644
--- a/spec/ruby/library/stringio/putc_spec.rb
+++ b/spec/ruby/library/stringio/putc_spec.rb
@@ -35,6 +35,21 @@ describe "StringIO#putc when passed [String]" do
@io.putc("t")
@io.pos.should == 3
end
+
+ it "handles concurrent writes correctly" do
+ @io = StringIO.new
+ n = 8
+ go = false
+ threads = n.times.map { |i|
+ Thread.new {
+ Thread.pass until go
+ @io.putc i.to_s
+ }
+ }
+ go = true
+ threads.each(&:join)
+ @io.string.size.should == n
+ end
end
describe "StringIO#putc when passed [Object]" do