675 lines
17 KiB
Ruby
675 lines
17 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_raise(UNINIT_ERROR) { s.eos? }
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assert_raise(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_dup
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s = StringScanner.new('test string')
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d = s.dup
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assert_equal s.inspect, d.inspect
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assert_equal s.string, d.string
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assert_equal s.pos, d.pos
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assert_equal s.matched?, d.matched?
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assert_equal s.eos?, d.eos?
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s = StringScanner.new('test string')
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s.scan(/test/)
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d = s.dup
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assert_equal s.inspect, d.inspect
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assert_equal s.string, d.string
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assert_equal s.pos, d.pos
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assert_equal s.matched?, d.matched?
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assert_equal s.eos?, d.eos?
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s = StringScanner.new('test string')
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s.scan(/test/)
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s.scan(/NOT MATCH/)
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d = s.dup
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assert_equal s.inspect, d.inspect
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assert_equal s.string, d.string
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assert_equal s.pos, d.pos
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assert_equal s.matched?, d.matched?
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assert_equal s.eos?, d.eos?
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s = StringScanner.new('test string')
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s.terminate
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d = s.dup
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assert_equal s.inspect, d.inspect
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assert_equal s.string, d.string
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assert_equal s.pos, d.pos
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assert_equal s.matched?, d.matched?
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assert_equal s.eos?, d.eos?
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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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# [ruby-bugs:4361]
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s = StringScanner.new("")
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assert_equal "", s.scan(//)
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assert_equal "", s.scan(//)
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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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# [ruby-bugs:4361]
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s = StringScanner.new("")
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assert_equal 0, s.skip(//)
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assert_equal 0, 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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s = StringScanner.new("\244\242".force_encoding("euc-jp"))
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assert_equal "\244\242".force_encoding("euc-jp"), s.getch
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assert_nil s.getch
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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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s = StringScanner.new("\244\242".force_encoding("euc-jp"))
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assert_equal "\244".force_encoding("euc-jp"), s.get_byte
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assert_equal "\242".force_encoding("euc-jp"), s.get_byte
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assert_nil s.get_byte
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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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s = StringScanner.new("\244\242".force_encoding("euc-jp"))
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s.getch
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assert_equal "\244\242".force_encoding("euc-jp"), s[0]
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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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def test_matched_size
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s = StringScanner.new('test string')
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assert_nil s.matched_size
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s.scan(/test/)
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assert_equal 4, s.matched_size
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assert_equal 4, s.matched_size
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s.scan(//)
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assert_equal 0, s.matched_size
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s.scan(/x/)
|
|
assert_nil s.matched_size
|
|
assert_nil s.matched_size
|
|
s.terminate
|
|
assert_nil s.matched_size
|
|
|
|
# obsolete
|
|
s = StringScanner.new('test string')
|
|
assert_nil s.matchedsize
|
|
s.scan(/test/)
|
|
assert_equal 4, s.matched_size
|
|
s.terminate
|
|
assert_nil s.matched_size
|
|
end
|
|
|
|
def test_encoding
|
|
ss = StringScanner.new("\xA1\xA2".force_encoding("euc-jp"))
|
|
assert_equal(Encoding::EUC_JP, ss.scan(/./e).encoding)
|
|
end
|
|
|
|
def test_generic_regexp
|
|
ss = StringScanner.new("\xA1\xA2".force_encoding("euc-jp"))
|
|
t = ss.scan(/./)
|
|
assert_equal("\xa1\xa2".force_encoding("euc-jp"), t)
|
|
end
|
|
|
|
def test_set_pos
|
|
s = StringScanner.new("test string")
|
|
s.pos = 7
|
|
assert_equal("ring", s.rest)
|
|
end
|
|
|
|
def test_match_p
|
|
s = StringScanner.new("test string")
|
|
assert_equal(4, s.match?(/\w+/))
|
|
assert_equal(4, s.match?(/\w+/))
|
|
assert_equal(nil, s.match?(/\s+/))
|
|
end
|
|
|
|
def test_check
|
|
s = StringScanner.new("Foo Bar Baz")
|
|
assert_equal("Foo", s.check(/Foo/))
|
|
assert_equal(0, s.pos)
|
|
assert_equal("Foo", s.matched)
|
|
assert_equal(nil, s.check(/Bar/))
|
|
assert_equal(nil, s.matched)
|
|
end
|
|
|
|
def test_scan_full
|
|
s = StringScanner.new("Foo Bar Baz")
|
|
assert_equal(4, s.scan_full(/Foo /, false, false))
|
|
assert_equal(0, s.pos)
|
|
assert_equal(nil, s.scan_full(/Baz/, false, false))
|
|
assert_equal("Foo ", s.scan_full(/Foo /, false, true))
|
|
assert_equal(0, s.pos)
|
|
assert_equal(nil, s.scan_full(/Baz/, false, false))
|
|
assert_equal(4, s.scan_full(/Foo /, true, false))
|
|
assert_equal(4, s.pos)
|
|
assert_equal(nil, s.scan_full(/Baz /, false, false))
|
|
assert_equal("Bar ", s.scan_full(/Bar /, true, true))
|
|
assert_equal(8, s.pos)
|
|
assert_equal(nil, s.scan_full(/az/, false, false))
|
|
end
|
|
|
|
def test_exist_p
|
|
s = StringScanner.new("test string")
|
|
assert_equal(3, s.exist?(/s/))
|
|
assert_equal(0, s.pos)
|
|
s.scan(/test/)
|
|
assert_equal(2, s.exist?(/s/))
|
|
assert_equal(4, s.pos)
|
|
assert_equal(nil, s.exist?(/e/))
|
|
end
|
|
|
|
def test_skip_until
|
|
s = StringScanner.new("Foo Bar Baz")
|
|
assert_equal(3, s.skip_until(/Foo/))
|
|
assert_equal(3, s.pos)
|
|
assert_equal(4, s.skip_until(/Bar/))
|
|
assert_equal(7, s.pos)
|
|
assert_equal(nil, s.skip_until(/Qux/))
|
|
end
|
|
|
|
def test_check_until
|
|
s = StringScanner.new("Foo Bar Baz")
|
|
assert_equal("Foo", s.check_until(/Foo/))
|
|
assert_equal(0, s.pos)
|
|
assert_equal("Foo Bar", s.check_until(/Bar/))
|
|
assert_equal(0, s.pos)
|
|
assert_equal(nil, s.check_until(/Qux/))
|
|
end
|
|
|
|
def test_search_full
|
|
s = StringScanner.new("Foo Bar Baz")
|
|
assert_equal(8, s.search_full(/Bar /, false, false))
|
|
assert_equal(0, s.pos)
|
|
assert_equal("Foo Bar ", s.search_full(/Bar /, false, true))
|
|
assert_equal(0, s.pos)
|
|
assert_equal(8, s.search_full(/Bar /, true, false))
|
|
assert_equal(8, s.pos)
|
|
assert_equal("Baz", s.search_full(/az/, true, true))
|
|
assert_equal(11, s.pos)
|
|
end
|
|
|
|
def test_peek
|
|
s = StringScanner.new("test string")
|
|
assert_equal("test st", s.peek(7))
|
|
assert_equal("test st", s.peek(7))
|
|
s.scan(/test/)
|
|
assert_equal(" stri", s.peek(5))
|
|
assert_equal(" string", s.peek(10))
|
|
s.scan(/ string/)
|
|
assert_equal("", s.peek(10))
|
|
end
|
|
|
|
def test_unscan
|
|
s = StringScanner.new('test string')
|
|
assert_equal("test", s.scan(/\w+/))
|
|
s.unscan
|
|
assert_equal("te", s.scan(/../))
|
|
assert_equal(nil, s.scan(/\d/))
|
|
assert_raise(ScanError) { s.unscan }
|
|
end
|
|
|
|
def test_rest
|
|
s = StringScanner.new('test string')
|
|
assert_equal("test string", s.rest)
|
|
s.scan(/test/)
|
|
assert_equal(" string", s.rest)
|
|
s.scan(/ string/)
|
|
assert_equal("", s.rest)
|
|
s.scan(/ string/)
|
|
end
|
|
|
|
def test_rest_size
|
|
s = StringScanner.new('test string')
|
|
assert_equal(11, s.rest_size)
|
|
s.scan(/test/)
|
|
assert_equal(7, s.rest_size)
|
|
s.scan(/ string/)
|
|
assert_equal(0, s.rest_size)
|
|
s.scan(/ string/)
|
|
end
|
|
|
|
def test_inspect
|
|
s = StringScanner.new('test string test')
|
|
s.scan(/test strin/)
|
|
assert_equal('#<StringScanner 10/16 "...strin" @ "g tes...">', s.inspect)
|
|
end
|
|
end
|