зеркало из https://github.com/github/ruby.git
948 строки
26 KiB
Ruby
948 строки
26 KiB
Ruby
# -*- coding: utf-8 -*-
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# frozen_string_literal: true
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#
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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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module StringScannerTests
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def test_peek_byte
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omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
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s = create_string_scanner('ab')
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assert_equal 97, s.peek_byte
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assert_equal 97, s.scan_byte
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assert_equal 98, s.peek_byte
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assert_equal 98, s.scan_byte
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assert_nil s.peek_byte
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assert_nil s.scan_byte
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end
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def test_scan_byte
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omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
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s = create_string_scanner('ab')
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assert_equal 97, s.scan_byte
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assert_equal 98, s.scan_byte
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assert_nil s.scan_byte
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str = "\244\242".dup.force_encoding("euc-jp")
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s = StringScanner.new(str)
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assert_equal str.getbyte(s.pos), s.scan_byte
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assert_equal str.getbyte(s.pos), s.scan_byte
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assert_nil s.scan_byte
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end
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def test_s_new
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s = create_string_scanner('test string')
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assert_instance_of StringScanner, s
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assert_equal false, s.eos?
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str = 'test string'.dup
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s = create_string_scanner(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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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 = create_string_scanner('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 = create_string_scanner('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 = create_string_scanner('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 = create_string_scanner('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'.dup
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s = create_string_scanner(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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s = create_string_scanner("\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 = create_string_scanner('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 = create_string_scanner('test'.dup)
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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 = create_string_scanner("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 = create_string_scanner('test string')
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assert_equal 'test string', s.string
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s.scan(/test/)
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assert_equal 'test string', 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_string_set_is_equal
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name = 'tenderlove'
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s = create_string_scanner(name)
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assert_equal name.object_id, s.string.object_id
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s.string = name
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assert_equal name.object_id, s.string.object_id
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end
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def test_string_append
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s = create_string_scanner('tender'.dup)
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s << 'love'
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assert_equal 'tenderlove', s.string
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s.string = 'tender'.dup
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s << 'love'
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assert_equal 'tenderlove', s.string
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end
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def test_pos
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s = create_string_scanner('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_pos_unicode
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s = create_string_scanner("abcädeföghi")
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assert_equal 0, s.charpos
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assert_equal "abcä", s.scan_until(/ä/)
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assert_equal 4, s.charpos
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assert_equal "defö", s.scan_until(/ö/)
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assert_equal 8, s.charpos
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s.terminate
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assert_equal 11, s.charpos
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end
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def test_charpos_not_use_string_methods
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omit "not supported on TruffleRuby" if RUBY_ENGINE == "truffleruby"
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string = +'abcädeföghi'
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scanner = create_string_scanner(string)
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class << string
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EnvUtil.suppress_warning do
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undef_method(*instance_methods)
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end
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end
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assert_equal 0, scanner.charpos
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assert_equal "abcä", scanner.scan_until(/ä/)
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assert_equal 4, scanner.charpos
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assert_equal "defö", scanner.scan_until(/ö/)
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assert_equal 8, scanner.charpos
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end
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def test_concat
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s = create_string_scanner('a'.dup)
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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 = create_string_scanner("stra strb\0strc", true)
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tmp = s.scan(/\w+/)
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assert_equal 'stra', tmp
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tmp = s.scan(/\s+/)
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assert_equal ' ', tmp
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assert_equal 'strb', s.scan(/\w+/)
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assert_equal "\u0000", s.scan(/\0/)
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tmp = s.scan(/\w+/)
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assert_equal 'strc', tmp
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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'.dup
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s = create_string_scanner(str, false)
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tmp = s.scan(/\w+/)
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assert_equal 'stra', tmp
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tmp = s.scan(/\s+/)
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assert_equal ' ', tmp
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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_nil s.scan(/\w+/)
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assert_nil s.scan(/\w+/)
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s = create_string_scanner('test'.dup)
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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 = create_string_scanner("")
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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_scan_string
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s = create_string_scanner("stra strb\0strc")
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assert_equal 'str', s.scan('str')
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assert_equal 'str', s[0]
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assert_equal 3, s.pos
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assert_equal 'a ', s.scan('a ')
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assert_equal 'strb', s.scan('strb')
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assert_equal "\u0000", s.scan("\0")
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assert_equal 'strc', s.scan('strc')
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str = 'stra strb strc'.dup
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s = create_string_scanner(str, false)
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matched = s.scan('str')
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assert_equal 'str', matched
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end
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def test_skip
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s = create_string_scanner('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 = create_string_scanner('test'.dup)
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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 = create_string_scanner("")
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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_skip_with_begenning_of_string_anchor_match
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s = create_string_scanner("a\nb")
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assert_equal 2, s.skip(/a\n/)
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assert_equal 1, s.skip(/\Ab/)
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end
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def test_skip_with_begenning_of_line_anchor_match
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s = create_string_scanner("a\nbc")
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assert_equal 2, s.skip(/a\n/)
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assert_equal 1, s.skip(/^b/)
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assert_equal 1, s.skip(/^c/)
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end
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def test_getch
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s = create_string_scanner('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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s = create_string_scanner("\244\242".dup.force_encoding("euc-jp"))
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assert_equal "\244\242".dup.force_encoding("euc-jp"), s.getch
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assert_nil s.getch
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s = create_string_scanner('test'.dup)
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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 = create_string_scanner('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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s = create_string_scanner("\244\242".dup.force_encoding("euc-jp"))
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assert_equal "\244".dup.force_encoding("euc-jp"), s.get_byte
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assert_equal "\242".dup.force_encoding("euc-jp"), s.get_byte
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assert_nil s.get_byte
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s = create_string_scanner('test'.dup)
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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 = create_string_scanner('stra strb strc')
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s.scan(/\w+/)
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assert_equal 'stra', s.matched
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s.scan(/\s+/)
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assert_equal ' ', s.matched
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s.scan('st')
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assert_equal 'st', s.matched
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s.scan(/\w+/)
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assert_equal 'rb', 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 = create_string_scanner('stra strb strc')
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s.getch
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assert_equal 's', s.matched
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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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end
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def test_AREF
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s = create_string_scanner('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_raise(IndexError) { s[:c] }
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assert_raise(IndexError) { s['c'] }
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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 = create_string_scanner("\244\242".dup.force_encoding("euc-jp"))
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s.getch
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assert_equal "\244\242".dup.force_encoding("euc-jp"), s[0]
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s = create_string_scanner("foo bar baz")
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s.scan(/(?<a>\w+) (?<b>\w+) (\w+)/)
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assert_equal 'foo', s[1]
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assert_equal 'bar', s[2]
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assert_nil s[3]
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assert_equal 'foo', s[:a]
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assert_equal 'bar', s[:b]
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assert_raise(IndexError) { s[:c] }
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assert_equal 'foo', s['a']
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assert_equal 'bar', s['b']
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assert_raise(IndexError) { s['c'] }
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# see https://github.com/jruby/jruby/issues/7644
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unless RUBY_ENGINE == "jruby" && RbConfig::CONFIG['host_os'] =~ /mswin|win32|mingw/
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assert_raise_with_message(IndexError, /\u{30c6 30b9 30c8}/) { s["\u{30c6 30b9 30c8}"] }
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end
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end
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def test_pre_match
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s = create_string_scanner('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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s.skip(/\s/)
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assert_equal 'a', s.pre_match
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s.scan('b')
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assert_equal 'a ', s.pre_match
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s.scan_until(/c/)
|
|
assert_equal 'a b ', s.pre_match
|
|
s.getch
|
|
assert_equal 'a b c', s.pre_match
|
|
s.get_byte
|
|
assert_equal 'a b c ', s.pre_match
|
|
s.get_byte
|
|
assert_equal 'a b c d', s.pre_match
|
|
s.scan(/never match/)
|
|
assert_nil s.pre_match
|
|
end
|
|
|
|
def test_post_match
|
|
s = create_string_scanner('a b c d e')
|
|
s.scan(/\w/)
|
|
assert_equal ' b c d e', s.post_match
|
|
s.skip(/\s/)
|
|
assert_equal 'b c d e', s.post_match
|
|
s.scan('b')
|
|
assert_equal ' c d e', s.post_match
|
|
s.scan_until(/c/)
|
|
assert_equal ' d e', s.post_match
|
|
s.getch
|
|
assert_equal 'd e', s.post_match
|
|
s.get_byte
|
|
assert_equal ' e', s.post_match
|
|
s.get_byte
|
|
assert_equal 'e', s.post_match
|
|
s.scan(/never match/)
|
|
assert_nil s.post_match
|
|
s.scan(/./)
|
|
assert_equal '', s.post_match
|
|
s.scan(/./)
|
|
assert_nil s.post_match
|
|
end
|
|
|
|
def test_terminate
|
|
s = create_string_scanner('ssss')
|
|
s.getch
|
|
s.terminate
|
|
assert_equal true, s.eos?
|
|
s.terminate
|
|
assert_equal true, s.eos?
|
|
end
|
|
|
|
def test_reset
|
|
s = create_string_scanner('ssss')
|
|
s.getch
|
|
s.reset
|
|
assert_equal 0, s.pos
|
|
s.scan(/\w+/)
|
|
s.reset
|
|
assert_equal 0, s.pos
|
|
s.reset
|
|
assert_equal 0, s.pos
|
|
end
|
|
|
|
def test_matched_size
|
|
s = create_string_scanner('test string')
|
|
assert_nil s.matched_size
|
|
s.scan(/test/)
|
|
assert_equal 4, s.matched_size
|
|
assert_equal 4, s.matched_size
|
|
s.scan(//)
|
|
assert_equal 0, s.matched_size
|
|
s.scan(/x/)
|
|
assert_nil s.matched_size
|
|
assert_nil s.matched_size
|
|
s.terminate
|
|
assert_nil s.matched_size
|
|
|
|
s = create_string_scanner('test string')
|
|
assert_nil s.matched_size
|
|
s.scan(/test/)
|
|
assert_equal 4, s.matched_size
|
|
s.terminate
|
|
assert_nil s.matched_size
|
|
end
|
|
|
|
def test_empty_encoding_utf8
|
|
ss = create_string_scanner('')
|
|
assert_equal(Encoding::UTF_8, ss.rest.encoding)
|
|
end
|
|
|
|
def test_empty_encoding_ascii_8bit
|
|
ss = create_string_scanner(''.dup.force_encoding("ASCII-8BIT"))
|
|
assert_equal(Encoding::ASCII_8BIT, ss.rest.encoding)
|
|
end
|
|
|
|
def test_encoding
|
|
ss = create_string_scanner("\xA1\xA2".dup.force_encoding("euc-jp"))
|
|
assert_equal(Encoding::EUC_JP, ss.scan(/./e).encoding)
|
|
end
|
|
|
|
def test_encoding_string
|
|
str = "\xA1\xA2".dup.force_encoding("euc-jp")
|
|
ss = create_string_scanner(str)
|
|
assert_equal(str.dup, ss.scan(str.dup))
|
|
end
|
|
|
|
def test_invalid_encoding_string
|
|
omit "no encoding check on TruffleRuby for scan(String)" if RUBY_ENGINE == "truffleruby"
|
|
|
|
str = "\xA1\xA2".dup.force_encoding("euc-jp")
|
|
ss = create_string_scanner(str)
|
|
assert_raise(Encoding::CompatibilityError) do
|
|
ss.scan(str.encode("UTF-8"))
|
|
end
|
|
end
|
|
|
|
def test_generic_regexp
|
|
ss = create_string_scanner("\xA1\xA2".dup.force_encoding("euc-jp"))
|
|
t = ss.scan(/./)
|
|
assert_equal("\xa1\xa2".dup.force_encoding("euc-jp"), t)
|
|
end
|
|
|
|
def test_set_pos
|
|
s = create_string_scanner("test string")
|
|
s.pos = 7
|
|
assert_equal("ring", s.rest)
|
|
end
|
|
|
|
def test_match_p
|
|
s = create_string_scanner("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 = create_string_scanner("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 = create_string_scanner("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 = create_string_scanner("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_exist_p_invalid_argument
|
|
s = create_string_scanner("test string")
|
|
assert_raise(TypeError) do
|
|
s.exist?(1)
|
|
end
|
|
end
|
|
|
|
def test_exist_p_string
|
|
omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
|
|
s = create_string_scanner("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_scan_until
|
|
s = create_string_scanner("Foo Bar\0Baz")
|
|
assert_equal("Foo", s.scan_until(/Foo/))
|
|
assert_equal(3, s.pos)
|
|
assert_equal(" Bar", s.scan_until(/Bar/))
|
|
assert_equal(7, s.pos)
|
|
assert_equal(nil, s.skip_until(/Qux/))
|
|
assert_equal("\u0000Baz", s.scan_until(/Baz/))
|
|
assert_equal(11, s.pos)
|
|
end
|
|
|
|
def test_scan_until_string
|
|
omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
|
|
s = create_string_scanner("Foo Bar\0Baz")
|
|
assert_equal("Foo", s.scan_until("Foo"))
|
|
assert_equal(3, s.pos)
|
|
assert_equal(" Bar", s.scan_until("Bar"))
|
|
assert_equal(7, s.pos)
|
|
assert_equal(nil, s.skip_until("Qux"))
|
|
assert_equal("\u0000Baz", s.scan_until("Baz"))
|
|
assert_equal(11, s.pos)
|
|
end
|
|
|
|
def test_skip_until
|
|
s = create_string_scanner("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_skip_until_string
|
|
omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
|
|
s = create_string_scanner("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 = create_string_scanner("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_check_until_string
|
|
omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
|
|
s = create_string_scanner("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 = create_string_scanner("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_search_full_string
|
|
omit("not implemented on TruffleRuby") if RUBY_ENGINE == "truffleruby"
|
|
s = create_string_scanner("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 = create_string_scanner("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 = create_string_scanner('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 = create_string_scanner('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 = create_string_scanner('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_inspect2
|
|
s = create_string_scanner('test string test')
|
|
s.scan(/test strin/)
|
|
assert_equal('#<StringScanner 10/16 "...strin" @ "g tes...">', s.inspect)
|
|
end
|
|
|
|
def test_aref_without_regex
|
|
omit "#[:missing] always raises on TruffleRuby if matched" if RUBY_ENGINE == "truffleruby"
|
|
|
|
s = create_string_scanner('abc')
|
|
s.get_byte
|
|
assert_nil(s[:c])
|
|
assert_nil(s["c"])
|
|
s.getch
|
|
assert_nil(s[:c])
|
|
assert_nil(s["c"])
|
|
end
|
|
|
|
def test_size
|
|
s = create_string_scanner("Fri Dec 12 1975 14:39")
|
|
s.scan(/(\w+) (\w+) (\d+) /)
|
|
assert_equal(4, s.size)
|
|
end
|
|
|
|
def test_captures
|
|
s = create_string_scanner("Timestamp: Fri Dec 12 1975 14:39")
|
|
s.scan("Timestamp: ")
|
|
s.scan(/(\w+) (\w+) (\d+) (1980)?/)
|
|
assert_equal(["Fri", "Dec", "12", nil], s.captures)
|
|
s.scan(/(\w+) (\w+) (\d+) /)
|
|
assert_nil(s.captures)
|
|
end
|
|
|
|
def test_values_at
|
|
s = create_string_scanner("Timestamp: Fri Dec 12 1975 14:39")
|
|
s.scan("Timestamp: ")
|
|
s.scan(/(\w+) (\w+) (\d+) /)
|
|
assert_equal(["Fri Dec 12 ", "12", nil, "Dec"], s.values_at(0, -1, 5, 2))
|
|
s.scan(/(\w+) (\w+) (\d+) /)
|
|
assert_nil(s.values_at(0, -1, 5, 2))
|
|
end
|
|
|
|
def test_scan_aref_repeatedly
|
|
s = StringScanner.new('test string')
|
|
assert_equal "test", s.scan(/\w(\w)(\w*)/)
|
|
assert_equal "test", s[0]
|
|
assert_equal "e", s[1]
|
|
assert_equal "st", s[2]
|
|
assert_nil s.scan(/\w+/)
|
|
assert_nil s[0]
|
|
assert_nil s[1]
|
|
assert_nil s[2]
|
|
assert_equal " ", s.scan(/\s+/)
|
|
assert_equal " ", s[0]
|
|
assert_nil s[1]
|
|
assert_nil s[2]
|
|
assert_equal "string", s.scan(/\w(\w)(\w*)/)
|
|
assert_equal "string", s[0]
|
|
assert_equal "t", s[1]
|
|
assert_equal "ring", s[2]
|
|
end
|
|
|
|
def test_named_captures
|
|
omit("not implemented on TruffleRuby") if ["truffleruby"].include?(RUBY_ENGINE)
|
|
scan = StringScanner.new("foobarbaz")
|
|
assert_equal({}, scan.named_captures)
|
|
assert_equal(9, scan.match?(/(?<f>foo)(?<r>bar)(?<z>baz)/))
|
|
assert_equal({"f" => "foo", "r" => "bar", "z" => "baz"}, scan.named_captures)
|
|
end
|
|
end
|
|
|
|
class TestStringScanner < Test::Unit::TestCase
|
|
include StringScannerTests
|
|
|
|
def create_string_scanner(string, *args)
|
|
StringScanner.new(string, *args)
|
|
end
|
|
|
|
def test_fixed_anchor_true
|
|
assert_equal(true, StringScanner.new("a", fixed_anchor: true).fixed_anchor?)
|
|
end
|
|
|
|
def test_fixed_anchor_false
|
|
assert_equal(false, StringScanner.new("a").fixed_anchor?)
|
|
assert_equal(false, StringScanner.new("a", true).fixed_anchor?)
|
|
assert_equal(false, StringScanner.new("a", false).fixed_anchor?)
|
|
assert_equal(false, StringScanner.new("a", {}).fixed_anchor?)
|
|
assert_equal(false, StringScanner.new("a", fixed_anchor: nil).fixed_anchor?)
|
|
assert_equal(false, StringScanner.new("a", fixed_anchor: false).fixed_anchor?)
|
|
end
|
|
end
|
|
|
|
class TestStringScannerFixedAnchor < Test::Unit::TestCase
|
|
include StringScannerTests
|
|
|
|
def create_string_scanner(string, *args)
|
|
StringScanner.new(string, fixed_anchor: true)
|
|
end
|
|
|
|
def test_skip_with_begenning_of_string_anchor_match
|
|
s = create_string_scanner("a")
|
|
assert_equal 1, s.skip(/\Aa/)
|
|
end
|
|
|
|
def test_skip_with_begenning_of_string_anchor_not_match
|
|
s = create_string_scanner("a\nb")
|
|
assert_equal 2, s.skip(/a\n/)
|
|
assert_nil s.skip(/\Ab/)
|
|
end
|
|
|
|
def test_skip_with_begenning_of_line_anchor_match
|
|
s = create_string_scanner("a\nb")
|
|
assert_equal 2, s.skip(/a\n/)
|
|
assert_equal 1, s.skip(/^b/)
|
|
end
|
|
|
|
def test_skip_with_begenning_of_line_anchor_not_match
|
|
s = create_string_scanner("ab")
|
|
assert_equal 1, s.skip(/a/)
|
|
assert_nil s.skip(/^b/)
|
|
end
|
|
|
|
# ruby/strscan#86
|
|
def test_scan_shared_string
|
|
s = "hellohello"[5..-1]
|
|
ss = StringScanner.new(s).scan(/hello/)
|
|
|
|
assert_equal "hello", ss
|
|
end
|
|
end
|