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662a3ca806
Fix IO#scanf on pipes on Windows IO.seek on a pipe on Windows raises Errno::EINVAL instead of Errno::ESPIPE. Fixes Ruby Bug #15199 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_5@67754 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
28 lines
533 B
Ruby
28 lines
533 B
Ruby
# frozen_string_literal: false
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# $Id$
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#
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# scanf for Ruby
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#
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# Ad hoc tests of IO#scanf (needs to be expanded)
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require "scanf"
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class TestScanfIO < Test::Unit::TestCase
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def test_io
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fh = File.new(File.join(File.dirname(__FILE__), "data.txt"), "r")
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assert_equal(0, fh.pos)
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assert_equal(["this", "is"], fh.scanf("%s%s"))
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assert_equal([33, "little"], fh.scanf("%da fun%s"))
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ensure
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fh.close
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end
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def test_pipe_scanf
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r, w = IO.pipe
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w.write('a')
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w.close
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assert_equal([], r.scanf('a'))
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end
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end
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