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994dfc0ae6
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@5764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
487 lines
12 KiB
Ruby
487 lines
12 KiB
Ruby
#
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# test/strscan/test_stringscanner.rb
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#
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require 'strscan'
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require 'test/unit'
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class TestStringScanner < Test::Unit::TestCase
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def test_s_new
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s = StringScanner.new('test string')
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assert_instance_of StringScanner, s
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assert_equal false, s.eos?
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assert_equal false, s.tainted?
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str = 'test string'
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str.taint
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s = StringScanner.new(str, false)
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assert_instance_of StringScanner, s
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assert_equal false, s.eos?
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assert_same str, s.string
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assert_equal true, s.string.tainted?
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str = 'test string'
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str.taint
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s = StringScanner.new(str)
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assert_equal true, s.string.tainted?
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end
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UNINIT_ERROR = ArgumentError
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def test_s_allocate
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s = StringScanner.allocate
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assert_equal '#<StringScanner (uninitialized)>', s.inspect.sub(/StringScanner_C/, 'StringScanner')
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assert_raises(UNINIT_ERROR) { s.eos? }
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assert_raises(UNINIT_ERROR) { s.scan(/a/) }
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s.string = 'test'
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assert_equal '#<StringScanner 0/4 @ "test">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
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assert_nothing_raised(UNINIT_ERROR) { s.eos? }
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assert_equal false, s.eos?
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end
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def test_s_mustc
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assert_nothing_raised(NotImplementedError) {
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StringScanner.must_C_version
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}
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end
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def test_const_Version
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assert_instance_of String, StringScanner::Version
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assert_equal true, StringScanner::Version.frozen?
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end
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def test_const_Id
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assert_instance_of String, StringScanner::Id
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assert_equal true, StringScanner::Id.frozen?
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end
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def test_inspect
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str = 'test string'
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str.taint
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s = StringScanner.new(str, false)
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assert_instance_of String, s.inspect
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assert_equal s.inspect, s.inspect
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assert_equal '#<StringScanner 0/11 @ "test ...">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
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s.get_byte
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assert_equal '#<StringScanner 1/11 "t" @ "est s...">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
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assert_equal true, s.inspect.tainted?
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s = StringScanner.new("\n")
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assert_equal '#<StringScanner 0/1 @ "\n">', s.inspect
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end
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def test_eos?
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s = StringScanner.new('test string')
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assert_equal false, s.eos?
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assert_equal false, s.eos?
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s.scan(/\w+/)
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assert_equal false, s.eos?
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assert_equal false, s.eos?
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s.scan(/\s+/)
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s.scan(/\w+/)
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assert_equal true, s.eos?
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assert_equal true, s.eos?
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s.scan(/\w+/)
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assert_equal true, s.eos?
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s = StringScanner.new('test')
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s.scan(/te/)
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s.string.replace ''
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assert_equal true, s.eos?
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end
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def test_bol?
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s = StringScanner.new("a\nbbb\n\ncccc\nddd\r\neee")
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assert_equal true, s.bol?
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assert_equal true, s.bol?
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s.scan(/a/)
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assert_equal false, s.bol?
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assert_equal false, s.bol?
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s.scan(/\n/)
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assert_equal true, s.bol?
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s.scan(/b/)
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assert_equal false, s.bol?
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s.scan(/b/)
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assert_equal false, s.bol?
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s.scan(/b/)
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assert_equal false, s.bol?
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s.scan(/\n/)
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assert_equal true, s.bol?
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s.unscan
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assert_equal false, s.bol?
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s.scan(/\n/)
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s.scan(/\n/)
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assert_equal true, s.bol?
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s.scan(/c+\n/)
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assert_equal true, s.bol?
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s.scan(/d+\r\n/)
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assert_equal true, s.bol?
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s.scan(/e+/)
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assert_equal false, s.bol?
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end
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def test_string
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s = StringScanner.new('test')
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assert_equal 'test', s.string
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s.string = 'a'
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assert_equal 'a', s.string
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s.scan(/a/)
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s.string = 'b'
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assert_equal 0, s.pos
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end
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def test_pos
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s = StringScanner.new('test string')
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assert_equal 0, s.pos
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s.get_byte
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assert_equal 1, s.pos
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s.get_byte
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assert_equal 2, s.pos
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s.terminate
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assert_equal 11, s.pos
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end
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def test_concat
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s = StringScanner.new('a')
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s.scan(/a/)
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s.concat 'b'
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assert_equal false, s.eos?
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assert_equal 'b', s.scan(/b/)
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assert_equal true, s.eos?
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s.concat 'c'
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assert_equal false, s.eos?
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assert_equal 'c', s.scan(/c/)
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assert_equal true, s.eos?
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end
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def test_scan
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s = StringScanner.new('stra strb strc', true)
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tmp = s.scan(/\w+/)
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assert_equal 'stra', tmp
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assert_equal false, tmp.tainted?
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tmp = s.scan(/\s+/)
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assert_equal ' ', tmp
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assert_equal false, tmp.tainted?
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assert_equal 'strb', s.scan(/\w+/)
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assert_equal ' ', s.scan(/\s+/)
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tmp = s.scan(/\w+/)
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assert_equal 'strc', tmp
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assert_equal false, tmp.tainted?
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assert_nil s.scan(/\w+/)
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assert_nil s.scan(/\w+/)
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str = 'stra strb strc'
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str.taint
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s = StringScanner.new(str, false)
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tmp = s.scan(/\w+/)
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assert_equal 'stra', tmp
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assert_equal true, tmp.tainted?
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tmp = s.scan(/\s+/)
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assert_equal ' ', tmp
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assert_equal true, tmp.tainted?
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assert_equal 'strb', s.scan(/\w+/)
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assert_equal ' ', s.scan(/\s+/)
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tmp = s.scan(/\w+/)
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assert_equal 'strc', tmp
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assert_equal true, tmp.tainted?
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assert_nil s.scan(/\w+/)
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assert_nil s.scan(/\w+/)
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s = StringScanner.new('test')
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s.scan(/te/)
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# This assumes #string does not duplicate string,
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# but it is implementation specific issue.
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# DO NOT RELY ON THIS FEATURE.
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s.string.replace ''
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# unspecified: assert_equal 2, s.pos
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assert_equal nil, s.scan(/test/)
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end
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def test_skip
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s = StringScanner.new('stra strb strc', true)
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assert_equal 4, s.skip(/\w+/)
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assert_equal 1, s.skip(/\s+/)
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assert_equal 4, s.skip(/\w+/)
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assert_equal 1, s.skip(/\s+/)
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assert_equal 4, s.skip(/\w+/)
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assert_nil s.skip(/\w+/)
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assert_nil s.skip(/\s+/)
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assert_equal true, s.eos?
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s = StringScanner.new('test')
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s.scan(/te/)
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s.string.replace ''
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assert_equal nil, s.skip(/./)
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end
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def test_getch
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s = StringScanner.new('abcde')
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assert_equal 'a', s.getch
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assert_equal 'b', s.getch
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assert_equal 'c', s.getch
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assert_equal 'd', s.getch
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assert_equal 'e', s.getch
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assert_nil s.getch
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str = 'abc'
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str.taint
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s = StringScanner.new(str)
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assert_equal true, s.getch.tainted?
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assert_equal true, s.getch.tainted?
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assert_equal true, s.getch.tainted?
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assert_nil s.getch
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kc_backup = $KCODE
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begin
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$KCODE = 'EUC'
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s = StringScanner.new("\244\242")
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assert_equal "\244\242", s.getch
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assert_nil s.getch
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ensure
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$KCODE = kc_backup
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end
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s = StringScanner.new('test')
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s.scan(/te/)
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s.string.replace ''
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assert_equal nil, s.getch
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end
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def test_get_byte
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s = StringScanner.new('abcde')
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assert_equal 'a', s.get_byte
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assert_equal 'b', s.get_byte
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assert_equal 'c', s.get_byte
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assert_equal 'd', s.get_byte
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assert_equal 'e', s.get_byte
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assert_nil s.get_byte
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assert_nil s.get_byte
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str = 'abc'
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str.taint
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s = StringScanner.new(str)
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assert_equal true, s.get_byte.tainted?
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assert_equal true, s.get_byte.tainted?
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assert_equal true, s.get_byte.tainted?
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assert_nil s.get_byte
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kc_backup = $KCODE
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begin
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$KCODE = 'EUC'
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s = StringScanner.new("\244\242")
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assert_equal "\244", s.get_byte
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assert_equal "\242", s.get_byte
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assert_nil s.get_byte
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ensure
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$KCODE = kc_backup
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end
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s = StringScanner.new('test')
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s.scan(/te/)
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s.string.replace ''
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assert_equal nil, s.get_byte
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end
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def test_matched
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s = StringScanner.new('stra strb strc')
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s.scan(/\w+/)
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assert_equal 'stra', s.matched
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assert_equal false, s.matched.tainted?
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s.scan(/\s+/)
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assert_equal ' ', s.matched
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s.scan(/\w+/)
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assert_equal 'strb', s.matched
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s.scan(/\s+/)
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assert_equal ' ', s.matched
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s.scan(/\w+/)
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assert_equal 'strc', s.matched
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s.scan(/\w+/)
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assert_nil s.matched
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s.getch
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assert_nil s.matched
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s = StringScanner.new('stra strb strc')
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s.getch
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assert_equal 's', s.matched
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assert_equal false, s.matched.tainted?
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s.get_byte
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assert_equal 't', s.matched
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assert_equal 't', s.matched
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assert_equal false, s.matched.tainted?
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str = 'test'
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str.taint
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s = StringScanner.new(str)
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s.scan(/\w+/)
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assert_equal true, s.matched.tainted?
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assert_equal true, s.matched.tainted?
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end
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def test_AREF
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s = StringScanner.new('stra strb strc')
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s.scan(/\w+/)
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assert_nil s[-2]
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assert_equal 'stra', s[-1]
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assert_equal 'stra', s[0]
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assert_nil s[1]
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assert_equal false, s[-1].tainted?
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assert_equal false, s[0].tainted?
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s.skip(/\s+/)
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assert_nil s[-2]
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assert_equal ' ', s[-1]
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assert_equal ' ', s[0]
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assert_nil s[1]
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s.scan(/(s)t(r)b/)
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assert_nil s[-100]
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assert_nil s[-4]
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assert_equal 'strb', s[-3]
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assert_equal 's', s[-2]
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assert_equal 'r', s[-1]
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assert_equal 'strb', s[0]
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assert_equal 's', s[1]
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assert_equal 'r', s[2]
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assert_nil s[3]
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assert_nil s[100]
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s.scan(/\s+/)
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s.getch
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assert_nil s[-2]
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assert_equal 's', s[-1]
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assert_equal 's', s[0]
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assert_nil s[1]
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s.get_byte
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assert_nil s[-2]
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assert_equal 't', s[-1]
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assert_equal 't', s[0]
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assert_nil s[1]
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s.scan(/.*/)
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s.scan(/./)
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assert_nil s[0]
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assert_nil s[0]
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kc_backup = $KCODE
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begin
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$KCODE = 'EUC'
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s = StringScanner.new("\244\242")
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s.getch
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assert_equal "\244\242", s[0]
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ensure
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$KCODE = kc_backup
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end
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str = 'test'
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str.taint
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s = StringScanner.new(str)
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s.scan(/(t)(e)(s)(t)/)
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assert_equal true, s[0].tainted?
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assert_equal true, s[1].tainted?
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assert_equal true, s[2].tainted?
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assert_equal true, s[3].tainted?
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assert_equal true, s[4].tainted?
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end
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def test_pre_match
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s = StringScanner.new('a b c d e')
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s.scan(/\w/)
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assert_equal '', s.pre_match
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assert_equal false, s.pre_match.tainted?
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s.skip(/\s/)
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assert_equal 'a', s.pre_match
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assert_equal false, s.pre_match.tainted?
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s.scan(/\w/)
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assert_equal 'a ', s.pre_match
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s.scan_until(/c/)
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assert_equal 'a b ', s.pre_match
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s.getch
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assert_equal 'a b c', s.pre_match
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s.get_byte
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assert_equal 'a b c ', s.pre_match
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s.get_byte
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assert_equal 'a b c d', s.pre_match
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s.scan(/never match/)
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assert_nil s.pre_match
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str = 'test string'
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str.taint
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s = StringScanner.new(str)
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s.scan(/\w+/)
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assert_equal true, s.pre_match.tainted?
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s.scan(/\s+/)
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assert_equal true, s.pre_match.tainted?
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s.scan(/\w+/)
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assert_equal true, s.pre_match.tainted?
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end
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def test_post_match
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s = StringScanner.new('a b c d e')
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s.scan(/\w/)
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assert_equal ' b c d e', s.post_match
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s.skip(/\s/)
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assert_equal 'b c d e', s.post_match
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s.scan(/\w/)
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assert_equal ' c d e', s.post_match
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s.scan_until(/c/)
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assert_equal ' d e', s.post_match
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s.getch
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assert_equal 'd e', s.post_match
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s.get_byte
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assert_equal ' e', s.post_match
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s.get_byte
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assert_equal 'e', s.post_match
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s.scan(/never match/)
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assert_nil s.post_match
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s.scan(/./)
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assert_equal '', s.post_match
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s.scan(/./)
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assert_nil s.post_match
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str = 'test string'
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str.taint
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s = StringScanner.new(str)
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s.scan(/\w+/)
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assert_equal true, s.post_match.tainted?
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s.scan(/\s+/)
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assert_equal true, s.post_match.tainted?
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s.scan(/\w+/)
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assert_equal true, s.post_match.tainted?
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end
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def test_terminate
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s = StringScanner.new('ssss')
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s.getch
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s.terminate
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assert_equal true, s.eos?
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s.terminate
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assert_equal true, s.eos?
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end
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def test_reset
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s = StringScanner.new('ssss')
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s.getch
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s.reset
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assert_equal 0, s.pos
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s.scan(/\w+/)
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s.reset
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assert_equal 0, s.pos
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s.reset
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assert_equal 0, s.pos
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end
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end
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