1require 'test/unit' 2require_relative 'envutil' 3 4class TestFlip < Test::Unit::TestCase 5 def test_hidden_key 6 bug6899 = '[ruby-core:47253]' 7 foo = "foor" 8 bar = "bar" 9 assert_nothing_raised(NotImplementedError, bug6899) do 10 2000.times {eval %[(foo..bar) ? 1 : 2]} 11 end 12 end 13 14 def test_shared_eval 15 bug7671 = '[ruby-core:51296]' 16 vs = (1..9).to_a 17 vs.select {|n| if n==2..n==16 then 1 end} 18 v = eval("vs.select {|n| if n==3..n==6 then 1 end}") 19 assert_equal([*3..6], v, bug7671) 20 end 21 22 def test_shared_thread 23 ff = proc {|n| true if n==3..n==5} 24 v = 1..9 25 a = true 26 th = Thread.new { 27 v.select {|i| 28 Thread.pass while a 29 ff[i].tap {a = true} 30 } 31 } 32 v1 = v.select {|i| 33 Thread.pass until a 34 ff[i].tap {a = false} 35 } 36 v2 = th.value 37 expected = [3, 4, 5] 38 mesg = 'flip-flop should be separated per threads' 39 assert_equal(expected, v1, mesg) 40 assert_equal(expected, v2, mesg) 41 end 42end 43