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require 'test/unit'
class TestRequireOnce < Test::Unit::TestCase
# This test repeatedly requires the same file across several threads, reverting $" each time.
# It passes when requires are only firing once, regardless of concurrency.
# See JRUBY-3078.
def test_require_fires_once_across_threads
$foo = 0
100.times do
[1,2,3,4,5].map do |x|
Thread.new {require "test/foo_for_test_require_once"}
end.each {|t| t.join}
raise "Concurrent requires caused double-loading" if $foo != 1
$foo = 0
$".pop
end
end
# Ensure that features are getting registered with the full name + ext so subsequent requires
# do not fire.
# See JRUBY-3234.
def test_feature_has_full_name
load File.dirname(__FILE__) + "/test_require_once_jruby_3234/all.rb"
assert_equal 1, $jruby_3234
end
end
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