1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
ruby--ruby/test/ruby/test_variable.rb
kazu 9639bf54ec * test/ruby/test_variable.rb (TestVariable#test_variable): add
a test of [ruby-dev:36698].


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19777 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-10-14 03:23:57 +00:00

84 lines
1.7 KiB
Ruby

require 'test/unit'
require_relative 'envutil'
class TestVariable < Test::Unit::TestCase
class Gods
@@rule = "Uranus"
def ruler0
@@rule
end
def self.ruler1 # <= per method definition style
@@rule
end
class << self # <= multiple method definition style
def ruler2
@@rule
end
end
end
module Olympians
@@rule ="Zeus"
def ruler3
@@rule
end
end
class Titans < Gods
@@rule = "Cronus" # modifies @@rule in Gods
include Olympians
def ruler4
@@rule
end
end
def test_variable
assert_instance_of(Fixnum, $$)
# read-only variable
assert_raise(NameError) do
$$ = 5
end
assert_normal_exit("$*=0; $*", "[ruby-dev:36698]")
foobar = "foobar"
$_ = foobar
assert_equal(foobar, $_)
assert_equal("Cronus", Gods.new.ruler0)
assert_equal("Cronus", Gods.ruler1)
assert_equal("Cronus", Gods.ruler2)
assert_equal("Cronus", Titans.ruler1)
assert_equal("Cronus", Titans.ruler2)
atlas = Titans.new
assert_equal("Cronus", atlas.ruler0)
assert_equal("Zeus", atlas.ruler3)
assert_equal("Cronus", atlas.ruler4)
end
def test_local_variables
lvar = 1
assert_instance_of(Symbol, local_variables[0], "[ruby-dev:34008]")
end
def test_local_variables2
x = 1
proc do |y|
assert_equal([:x, :y], local_variables.sort)
end.call
end
def test_local_variables3
x = 1
proc do |y|
1.times do |z|
assert_equal([:x, :y, :z], local_variables.sort)
end
end.call
end
def test_global_variable_0
assert_in_out_err(["-e", "$0='t'*1000;print $0"], "", /\At+\z/, [])
end
end