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# frozen_string_literal: false
# $Id$
#
# scanf for Ruby
#
# Ad hoc tests of IO#scanf (needs to be expanded)
require "scanf"
class TestScanfIO < Test::Unit::TestCase
def test_io
fh = File.new(File.join(File.dirname(__FILE__), "data.txt"), "r")
assert_equal(0, fh.pos)
assert_equal(["this", "is"], fh.scanf("%s%s"))
assert_equal([33, "little"], fh.scanf("%da fun%s"))
ensure
fh.close
end
def test_pipe_scanf
r, w = IO.pipe
w.write('a')
w.close
assert_equal([], r.scanf('a'))
end
end
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