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83 lines
1.7 KiB
83 lines
1.7 KiB
2 months ago
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# 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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# Some not very comprehensive tests of block behavior.
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require 'test/unit'
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require 'scanf'
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require 'tmpdir'
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class TestScanfBlock < Test::Unit::TestCase
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def setup
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@str = <<-EOS
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Beethoven 1770
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Bach 1685
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Handel 1685
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Scarlatti 1685
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Brahms 1833
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EOS
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end
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alias set_up setup
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def test_str1
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res = @str.scanf("%s%d") { |name, year| "#{name} was born in #{year}." }
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assert_equal(res,
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[ "Beethoven was born in 1770.",
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"Bach was born in 1685.",
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"Handel was born in 1685.",
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"Scarlatti was born in 1685.",
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"Brahms was born in 1833." ])
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end
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def test_str2
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names = @str.scanf("%s%d") { |name, year| name.upcase }
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assert_equal(names, ["BEETHOVEN", "BACH", "HANDEL", "SCARLATTI", "BRAHMS"])
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end
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def test_str3
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assert_equal("".scanf("%d%f%s") {}, [])
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end
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def test_str4
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assert_equal("abc".scanf("%d%f%s") {}, [])
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end
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def test_str5
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assert_equal("abc".scanf("") {}, [])
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end
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def test_io1
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fn = "#{Dir.tmpdir}/iotest.dat.#{$$}"
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File.open(fn, "w") { |fh| fh.puts(@str) }
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fh = File.open(fn, "rb")
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res = fh.scanf("%s%d") { |name, year| "#{name} was born in #{year}." }
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assert_equal(
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[ "Beethoven was born in 1770.",
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"Bach was born in 1685.",
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"Handel was born in 1685.",
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"Scarlatti was born in 1685.",
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"Brahms was born in 1833." ],res)
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fh.close
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ensure
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File.delete(fn)
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end
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def test_io2
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fn = "#{Dir.tmpdir}/iotest.dat.#{$$}"
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File.open(fn, "w").close
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fh = File.open(fn,"rb")
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assert_equal(fh.scanf("") {}, [])
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fh.seek(0)
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assert_equal(fh.scanf("%d%f%s") {}, [])
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fh.close
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ensure
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File.delete(fn)
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end
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end
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