ruby--ruby/test/ruby/test_flip.rb

76 lines
2.2 KiB
Ruby

# frozen_string_literal: false
require 'test/unit'
class TestFlip < Test::Unit::TestCase
def test_flip_flop
assert_equal [4,5], (1..9).select {|n| true if (n==4)..(n==5)}
assert_equal [4,5], (1..9).select {|n| true if (n==4)...(n==5)}
assert_equal [2], (1..9).select {|n| true if (n==2)..(n%2).zero?}
assert_equal [2,3,4], (1..9).select {|n| true if (n==2)...(n%2).zero?}
assert_equal [4,5,7,8], (1..9).select {|n| true if (n==4)...(n==5) or (n==7)...(n==8)}
assert_equal [nil, 2, 3, 4, nil], (1..5).map {|x| x if (x==2..x==4)}
assert_equal [1, nil, nil, nil, 5], (1..5).map {|x| x if !(x==2..x==4)}
end
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
[foo, bar]
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)
vs
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
def test_input_line_number_range
bug12947 = '[ruby-core:78162] [Bug #12947]'
ary = b1 = b2 = nil
EnvUtil.suppress_warning do
b1 = eval("proc {|i| i if 2..4}")
b2 = eval("proc {|i| if 2..4; i; end}")
end
IO.pipe {|r, w|
th = Thread.start {(1..5).each {|i| w.puts i};w.close}
ary = r.map {|i| b1.call(i.chomp)}
th.join
}
assert_equal([nil, "2", "3", "4", nil], ary, bug12947)
IO.pipe {|r, w|
th = Thread.start {(1..5).each {|i| w.puts i};w.close}
ary = r.map {|i| b2.call(i.chomp)}
th.join
}
assert_equal([nil, "2", "3", "4", nil], ary, bug12947)
end
end