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# frozen_string_literal: false
require 'test/unit'
class TestClone < Test::Unit::TestCase
module M001; end
module M002; end
module M003; include M002; end
module M002; include M001; end
module M003; include M002; end
def test_clone
foo = Object.new
def foo.test
"test"
end
bar = foo.clone
def bar.test2
"test2"
end
assert_equal("test2", bar.test2)
assert_equal("test", bar.test)
assert_equal("test", foo.test)
assert_raise(NoMethodError) {foo.test2}
assert_equal([M003, M002, M001], M003.ancestors)
end
def test_user_flags
assert_separately([], <<-EOS)
#
class Array
undef initialize_copy
def initialize_copy(*); end
end
x = [1, 2, 3].clone
assert_equal [], x, '[Bug #14847]'
EOS
assert_separately([], <<-EOS)
#
class Array
undef initialize_copy
def initialize_copy(*); end
end
x = [1,2,3,4,5,6,7][1..-2].clone
x.push(1,1,1,1,1)
assert_equal [1, 1, 1, 1, 1], x, '[Bug #14847]'
EOS
assert_separately([], <<-EOS)
#
class Hash
undef initialize_copy
def initialize_copy(*); end
end
h = {}
h.default_proc = proc { raise }
h = h.clone
assert_equal nil, h[:not_exist], '[Bug #14847]'
EOS
end
end
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