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-rw-r--r--test/etc/test_etc.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/etc/test_etc.rb b/test/etc/test_etc.rb
index d2ae9fa33c..dc224d0d32 100644
--- a/test/etc/test_etc.rb
+++ b/test/etc/test_etc.rb
@@ -169,4 +169,27 @@ class TestEtc < Test::Unit::TestCase
assert_operator(1, :<=, n)
end
+ def test_ractor
+ return unless Etc.passwd # => skip test if no platform support
+
+ assert_ractor(<<~RUBY, require: 'etc')
+ ractor = Ractor.new do
+ Etc.passwd do |s|
+ Ractor.yield :sync
+ Ractor.yield s.name
+ break :done
+ end
+ end
+ ractor.take # => :sync
+ assert_raise RuntimeError, /parallel/ do
+ Etc.passwd {}
+ end
+ name = ractor.take # => first name
+ ractor.take # => :done
+ name2 = Etc.passwd do |s|
+ break s.name
+ end
+ assert_equal(name2, name)
+ RUBY
+ end
end