ruby--ruby/test/ruby/test_proc.rb

46 lines
890 B
Ruby

require 'test/unit'
$KCODE = 'none'
class TestProc < Test::Unit::TestCase
def test_proc
$proc = proc{|i| i}
assert_equal(2, $proc.call(2))
assert_equal(3, $proc.call(3))
$proc = proc{|i| i*2}
assert_equal(4, $proc.call(2))
assert_equal(6, $proc.call(3))
proc{
iii=5 # nested local variable
$proc = proc{|i|
iii = i
}
$proc2 = proc {
$x = iii # nested variables shared by procs
}
# scope of nested variables
assert(defined?(iii))
}.call
assert(!defined?(iii)) # out of scope
loop{iii=5; assert(eval("defined? iii")); break}
loop {
iii = 10
def self.dyna_var_check
loop {
assert(!defined?(iii))
break
}
end
dyna_var_check
break
}
$x=0
$proc.call(5)
$proc2.call
assert_equal(5, $x)
end
end