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test_flip.rb: flip-flop shared by threads

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* test/ruby/test_flip.rb (TestFlip#test_shared_thread): flip-flop
  should be separated per threads

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38747 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2013-01-09 05:32:33 +00:00
parent 193e1fc810
commit f608b1b8dc
1 changed files with 21 additions and 0 deletions
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21
test/ruby/test_flip.rb
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@ -18,4 +18,25 @@ class TestFlip < Test::Unit::TestCase
v = eval("vs.select {|n| if n==3..n==6 then 1 end}")
assert_equal([*3..6], v, bug7671)
end
def test_shared_thread
ff = proc {|n| true if n==3..n==5}
v = 1..9
a = true
th = Thread.new {
v.select {|i|
Thread.pass while a
ff[i].tap {a = true}
}
}
v1 = v.select {|i|
Thread.pass until a
ff[i].tap {a = false}
}
v2 = th.value
expected = [3, 4, 5]
mesg = 'flip-flop should be separated per threads'
assert_equal(expected, v1, mesg)
assert_equal(expected, v2, mesg)
end
end