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85 lines
2.3 KiB
Ruby
85 lines
2.3 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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class TestFlip < Test::Unit::TestCase
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def setup
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@verbose_bak, $VERBOSE = $VERBOSE, nil
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end
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def teardown
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$VERBOSE = @verbose_bak
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end
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def test_flip_flop
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eval <<-END
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assert_equal [4,5], (1..9).select {|n| true if (n==4)..(n==5)}
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assert_equal [4,5], (1..9).select {|n| true if (n==4)...(n==5)}
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assert_equal [2], (1..9).select {|n| true if (n==2)..(n%2).zero?}
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assert_equal [2,3,4], (1..9).select {|n| true if (n==2)...(n%2).zero?}
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assert_equal [4,5,7,8], (1..9).select {|n| true if (n==4)...(n==5) or (n==7)...(n==8)}
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assert_equal [nil, 2, 3, 4, nil], (1..5).map {|x| x if (x==2..x==4)}
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assert_equal [1, nil, nil, nil, 5], (1..5).map {|x| x if !(x==2..x==4)}
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END
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end
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def test_hidden_key
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bug6899 = '[ruby-core:47253]'
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foo = "foor"
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bar = "bar"
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assert_nothing_raised(NotImplementedError, bug6899) do
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2000.times {eval %[(foo..bar) ? 1 : 2]}
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end
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[foo, bar]
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end
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def test_shared_eval
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bug7671 = '[ruby-core:51296]'
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vs = (1..9).to_a
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eval("vs.select {|n| if n==2..n==16 then 1 end}")
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v = eval("vs.select {|n| if n==3..n==6 then 1 end}")
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assert_equal([*3..6], v, bug7671)
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vs
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end
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def test_shared_thread
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ff = eval("proc {|n| true if n==3..n==5}")
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v = 1..9
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a = true
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th = Thread.new {
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v.select {|i|
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Thread.pass while a
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ff[i].tap {a = true}
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}
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}
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v1 = v.select {|i|
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Thread.pass until a
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ff[i].tap {a = false}
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}
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v2 = th.value
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expected = [3, 4, 5]
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mesg = 'flip-flop should be separated per threads'
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assert_equal(expected, v1, mesg)
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assert_equal(expected, v2, mesg)
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end
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def test_input_line_number_range
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bug12947 = '[ruby-core:78162] [Bug #12947]'
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ary = b1 = b2 = nil
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EnvUtil.suppress_warning do
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b1 = eval("proc {|i| i if 2..4}")
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b2 = eval("proc {|i| if 2..4; i; end}")
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end
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IO.pipe {|r, w|
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th = Thread.start {(1..5).each {|i| w.puts i};w.close}
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ary = r.map {|i| b1.call(i.chomp)}
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th.join
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}
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assert_equal([nil, "2", "3", "4", nil], ary, bug12947)
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IO.pipe {|r, w|
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th = Thread.start {(1..5).each {|i| w.puts i};w.close}
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ary = r.map {|i| b2.call(i.chomp)}
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th.join
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}
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assert_equal([nil, "2", "3", "4", nil], ary, bug12947)
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end
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end
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