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require 'test/unit'
class TestCall < Test::Unit::TestCase
def aaa(a, b=100, *rest)
res = [a, b]
res += rest if rest
return res
end
def test_call
assert_raises(ArgumentError) {aaa()}
assert_raises(ArgumentError) {aaa}
assert_equal([1, 100], aaa(1))
assert_equal([1, 2], aaa(1, 2))
assert_equal([1, 2, 3, 4], aaa(1, 2, 3, 4))
assert_equal([1, 2, 3, 4], aaa(1, *[2, 3, 4]))
end
end
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