require 'test/unit' class TestFlip < Test::Unit::TestCase def test_hidden_key bug6899 = '[ruby-core:47253]' foo = "foor" bar = "bar" assert_nothing_raised(NotImplementedError, bug6899) do 2000.times {eval %[(foo..bar) ? 1 : 2]} end end def test_shared_eval bug7671 = '[ruby-core:51296]' vs = (1..9).to_a vs.select {|n| if n==2..n==16 then 1 end} 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