added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 674 insertions, 0 deletions

diff --git a/trunk/test/strscan/test_stringscanner.rb b/trunk/test/strscan/test_stringscanner.rb
new file mode 100644
index 0000000000..ff1eb7a298
--- /dev/null
+++ b/trunk/test/strscan/test_stringscanner.rb
@@ -0,0 +1,674 @@
+#
+# test/strscan/test_stringscanner.rb
+#
+
+require 'strscan'
+require 'test/unit'
+
+class TestStringScanner < Test::Unit::TestCase
+  def test_s_new
+    s = StringScanner.new('test string')
+    assert_instance_of StringScanner, s
+    assert_equal false, s.eos?
+    assert_equal false, s.tainted?
+
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str, false)
+    assert_instance_of StringScanner, s
+    assert_equal false, s.eos?
+    assert_same str, s.string
+    assert_equal true, s.string.tainted?
+
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str)
+    assert_equal true, s.string.tainted?
+  end
+
+  UNINIT_ERROR = ArgumentError
+
+  def test_s_allocate
+    s = StringScanner.allocate
+    assert_equal '#<StringScanner (uninitialized)>', s.inspect.sub(/StringScanner_C/, 'StringScanner')
+    assert_raises(UNINIT_ERROR) { s.eos? }
+    assert_raises(UNINIT_ERROR) { s.scan(/a/) }
+    s.string = 'test'
+    assert_equal '#<StringScanner 0/4 @ "test">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
+    assert_nothing_raised(UNINIT_ERROR) { s.eos? }
+    assert_equal false, s.eos?
+  end
+
+  def test_s_mustc
+    assert_nothing_raised(NotImplementedError) {
+        StringScanner.must_C_version
+    }
+  end
+
+  def test_dup
+    s = StringScanner.new('test string')
+    d = s.dup
+    assert_equal s.inspect, d.inspect
+    assert_equal s.string, d.string
+    assert_equal s.pos, d.pos
+    assert_equal s.matched?, d.matched?
+    assert_equal s.eos?, d.eos?
+
+    s = StringScanner.new('test string')
+    s.scan(/test/)
+    d = s.dup
+    assert_equal s.inspect, d.inspect
+    assert_equal s.string, d.string
+    assert_equal s.pos, d.pos
+    assert_equal s.matched?, d.matched?
+    assert_equal s.eos?, d.eos?
+
+    s = StringScanner.new('test string')
+    s.scan(/test/)
+    s.scan(/NOT MATCH/)
+    d = s.dup
+    assert_equal s.inspect, d.inspect
+    assert_equal s.string, d.string
+    assert_equal s.pos, d.pos
+    assert_equal s.matched?, d.matched?
+    assert_equal s.eos?, d.eos?
+
+    s = StringScanner.new('test string')
+    s.terminate
+    d = s.dup
+    assert_equal s.inspect, d.inspect
+    assert_equal s.string, d.string
+    assert_equal s.pos, d.pos
+    assert_equal s.matched?, d.matched?
+    assert_equal s.eos?, d.eos?
+  end
+
+  def test_const_Version
+    assert_instance_of String, StringScanner::Version
+    assert_equal true, StringScanner::Version.frozen?
+  end
+
+  def test_const_Id
+    assert_instance_of String, StringScanner::Id
+    assert_equal true, StringScanner::Id.frozen?
+  end
+
+  def test_inspect
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str, false)
+    assert_instance_of String, s.inspect
+    assert_equal s.inspect, s.inspect
+    assert_equal '#<StringScanner 0/11 @ "test ...">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
+    s.get_byte
+    assert_equal '#<StringScanner 1/11 "t" @ "est s...">', s.inspect.sub(/StringScanner_C/, 'StringScanner')
+    assert_equal true, s.inspect.tainted?
+
+    s = StringScanner.new("\n")
+    assert_equal '#<StringScanner 0/1 @ "\n">', s.inspect
+  end
+
+  def test_eos?
+    s = StringScanner.new('test string')
+    assert_equal false, s.eos?
+    assert_equal false, s.eos?
+    s.scan(/\w+/)
+    assert_equal false, s.eos?
+    assert_equal false, s.eos?
+    s.scan(/\s+/)
+    s.scan(/\w+/)
+    assert_equal true, s.eos?
+    assert_equal true, s.eos?
+    s.scan(/\w+/)
+    assert_equal true, s.eos?
+
+    s = StringScanner.new('test')
+    s.scan(/te/)
+    s.string.replace ''
+    assert_equal true, s.eos?
+  end
+
+  def test_bol?
+    s = StringScanner.new("a\nbbb\n\ncccc\nddd\r\neee")
+    assert_equal true, s.bol?
+    assert_equal true, s.bol?
+    s.scan(/a/)
+    assert_equal false, s.bol?
+    assert_equal false, s.bol?
+    s.scan(/\n/)
+    assert_equal true, s.bol?
+    s.scan(/b/)
+    assert_equal false, s.bol?
+    s.scan(/b/)
+    assert_equal false, s.bol?
+    s.scan(/b/)
+    assert_equal false, s.bol?
+    s.scan(/\n/)
+    assert_equal true, s.bol?
+    s.unscan
+    assert_equal false, s.bol?
+    s.scan(/\n/)
+    s.scan(/\n/)
+    assert_equal true, s.bol?
+    s.scan(/c+\n/)
+    assert_equal true, s.bol?
+    s.scan(/d+\r\n/)
+    assert_equal true, s.bol?
+    s.scan(/e+/)
+    assert_equal false, s.bol?
+  end
+
+  def test_string
+    s = StringScanner.new('test')
+    assert_equal 'test', s.string
+    s.string = 'a'
+    assert_equal 'a', s.string
+    s.scan(/a/)
+    s.string = 'b'
+    assert_equal 0, s.pos
+  end
+
+  def test_pos
+    s = StringScanner.new('test string')
+    assert_equal 0, s.pos
+    s.get_byte
+    assert_equal 1, s.pos
+    s.get_byte
+    assert_equal 2, s.pos
+    s.terminate
+    assert_equal 11, s.pos
+  end
+
+  def test_concat
+    s = StringScanner.new('a')
+    s.scan(/a/)
+    s.concat 'b'
+    assert_equal false, s.eos?
+    assert_equal 'b', s.scan(/b/)
+    assert_equal true, s.eos?
+    s.concat 'c'
+    assert_equal false, s.eos?
+    assert_equal 'c', s.scan(/c/)
+    assert_equal true, s.eos?
+  end
+
+  def test_scan
+    s = StringScanner.new('stra strb strc', true)
+    tmp = s.scan(/\w+/)
+    assert_equal 'stra', tmp
+    assert_equal false, tmp.tainted?
+
+    tmp = s.scan(/\s+/)
+    assert_equal ' ', tmp
+    assert_equal false, tmp.tainted?
+
+    assert_equal 'strb', s.scan(/\w+/)
+    assert_equal ' ',    s.scan(/\s+/)
+
+    tmp = s.scan(/\w+/)
+    assert_equal 'strc', tmp
+    assert_equal false, tmp.tainted?
+
+    assert_nil           s.scan(/\w+/)
+    assert_nil           s.scan(/\w+/)
+
+
+    str = 'stra strb strc'
+    str.taint
+    s = StringScanner.new(str, false)
+    tmp = s.scan(/\w+/)
+    assert_equal 'stra', tmp
+    assert_equal true, tmp.tainted?
+
+    tmp = s.scan(/\s+/)
+    assert_equal ' ', tmp
+    assert_equal true, tmp.tainted?
+
+    assert_equal 'strb', s.scan(/\w+/)
+    assert_equal ' ',    s.scan(/\s+/)
+
+    tmp = s.scan(/\w+/)
+    assert_equal 'strc', tmp
+    assert_equal true, tmp.tainted?
+
+    assert_nil           s.scan(/\w+/)
+    assert_nil           s.scan(/\w+/)
+
+    s = StringScanner.new('test')
+    s.scan(/te/)
+    # This assumes #string does not duplicate string,
+    # but it is implementation specific issue.
+    # DO NOT RELY ON THIS FEATURE.
+    s.string.replace ''
+    # unspecified: assert_equal 2, s.pos
+    assert_equal nil, s.scan(/test/)
+
+    # [ruby-bugs:4361]
+    s = StringScanner.new("")
+    assert_equal "", s.scan(//)
+    assert_equal "", s.scan(//)
+  end
+
+  def test_skip
+    s = StringScanner.new('stra strb strc', true)
+    assert_equal 4, s.skip(/\w+/)
+    assert_equal 1, s.skip(/\s+/)
+    assert_equal 4, s.skip(/\w+/)
+    assert_equal 1, s.skip(/\s+/)
+    assert_equal 4, s.skip(/\w+/)
+    assert_nil      s.skip(/\w+/)
+    assert_nil      s.skip(/\s+/)
+    assert_equal true, s.eos?
+
+    s = StringScanner.new('test')
+    s.scan(/te/)
+    s.string.replace ''
+    assert_equal nil, s.skip(/./)
+
+    # [ruby-bugs:4361]
+    s = StringScanner.new("")
+    assert_equal 0, s.skip(//)
+    assert_equal 0, s.skip(//)
+  end
+
+  def test_getch
+    s = StringScanner.new('abcde')
+    assert_equal 'a', s.getch
+    assert_equal 'b', s.getch
+    assert_equal 'c', s.getch
+    assert_equal 'd', s.getch
+    assert_equal 'e', s.getch
+    assert_nil        s.getch
+
+    str = 'abc'
+    str.taint
+    s = StringScanner.new(str)
+    assert_equal true, s.getch.tainted?
+    assert_equal true, s.getch.tainted?
+    assert_equal true, s.getch.tainted?
+    assert_nil s.getch
+
+    s = StringScanner.new("\244\242".force_encoding("euc-jp"))
+    assert_equal "\244\242".force_encoding("euc-jp"), s.getch
+    assert_nil s.getch
+
+    s = StringScanner.new('test')
+    s.scan(/te/)
+    s.string.replace ''
+    assert_equal nil, s.getch
+  end
+
+  def test_get_byte
+    s = StringScanner.new('abcde')
+    assert_equal 'a', s.get_byte
+    assert_equal 'b', s.get_byte
+    assert_equal 'c', s.get_byte
+    assert_equal 'd', s.get_byte
+    assert_equal 'e', s.get_byte
+    assert_nil        s.get_byte
+    assert_nil        s.get_byte
+
+    str = 'abc'
+    str.taint
+    s = StringScanner.new(str)
+    assert_equal true, s.get_byte.tainted?
+    assert_equal true, s.get_byte.tainted?
+    assert_equal true, s.get_byte.tainted?
+    assert_nil s.get_byte
+
+    s = StringScanner.new("\244\242".force_encoding("euc-jp"))
+    assert_equal "\244".force_encoding("euc-jp"), s.get_byte
+    assert_equal "\242".force_encoding("euc-jp"), s.get_byte
+    assert_nil s.get_byte
+
+    s = StringScanner.new('test')
+    s.scan(/te/)
+    s.string.replace ''
+    assert_equal nil, s.get_byte
+  end
+
+  def test_matched
+    s = StringScanner.new('stra strb strc')
+    s.scan(/\w+/)
+    assert_equal 'stra', s.matched
+    assert_equal false, s.matched.tainted?
+    s.scan(/\s+/)
+    assert_equal ' ', s.matched
+    s.scan(/\w+/)
+    assert_equal 'strb', s.matched
+    s.scan(/\s+/)
+    assert_equal ' ', s.matched
+    s.scan(/\w+/)
+    assert_equal 'strc', s.matched
+    s.scan(/\w+/)
+    assert_nil s.matched
+    s.getch
+    assert_nil s.matched
+
+    s = StringScanner.new('stra strb strc')
+    s.getch
+    assert_equal 's', s.matched
+    assert_equal false, s.matched.tainted?
+    s.get_byte
+    assert_equal 't', s.matched
+    assert_equal 't', s.matched
+    assert_equal false, s.matched.tainted?
+
+    str = 'test'
+    str.taint
+    s = StringScanner.new(str)
+    s.scan(/\w+/)
+    assert_equal true, s.matched.tainted?
+    assert_equal true, s.matched.tainted?
+  end
+
+  def test_AREF
+    s = StringScanner.new('stra strb strc')
+
+    s.scan(/\w+/)
+    assert_nil           s[-2]
+    assert_equal 'stra', s[-1]
+    assert_equal 'stra', s[0]
+    assert_nil           s[1]
+
+    assert_equal false,  s[-1].tainted?
+    assert_equal false,  s[0].tainted?
+
+    s.skip(/\s+/)
+    assert_nil           s[-2]
+    assert_equal ' ',    s[-1]
+    assert_equal ' ',    s[0]
+    assert_nil           s[1]
+
+    s.scan(/(s)t(r)b/)
+    assert_nil           s[-100]
+    assert_nil           s[-4]
+    assert_equal 'strb', s[-3]
+    assert_equal 's',    s[-2]
+    assert_equal 'r',    s[-1]
+    assert_equal 'strb', s[0]
+    assert_equal 's',    s[1]
+    assert_equal 'r',    s[2]
+    assert_nil           s[3]
+    assert_nil           s[100]
+
+    s.scan(/\s+/)
+
+    s.getch
+    assert_nil           s[-2]
+    assert_equal 's',    s[-1]
+    assert_equal 's',    s[0]
+    assert_nil           s[1]
+
+    s.get_byte
+    assert_nil           s[-2]
+    assert_equal 't',    s[-1]
+    assert_equal 't',    s[0]
+    assert_nil           s[1]
+
+    s.scan(/.*/)
+    s.scan(/./)
+    assert_nil           s[0]
+    assert_nil           s[0]
+
+
+    s = StringScanner.new("\244\242".force_encoding("euc-jp"))
+    s.getch
+    assert_equal "\244\242".force_encoding("euc-jp"), s[0]
+
+    str = 'test'
+    str.taint
+    s = StringScanner.new(str)
+    s.scan(/(t)(e)(s)(t)/)
+    assert_equal true, s[0].tainted?
+    assert_equal true, s[1].tainted?
+    assert_equal true, s[2].tainted?
+    assert_equal true, s[3].tainted?
+    assert_equal true, s[4].tainted?
+  end
+
+  def test_pre_match
+    s = StringScanner.new('a b c d e')
+    s.scan(/\w/)
+    assert_equal '', s.pre_match
+    assert_equal false, s.pre_match.tainted?
+    s.skip(/\s/)
+    assert_equal 'a', s.pre_match
+    assert_equal false, s.pre_match.tainted?
+    s.scan(/\w/)
+    assert_equal 'a ', s.pre_match
+    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
+
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str)
+    s.scan(/\w+/)
+    assert_equal true, s.pre_match.tainted?
+    s.scan(/\s+/)
+    assert_equal true, s.pre_match.tainted?
+    s.scan(/\w+/)
+    assert_equal true, s.pre_match.tainted?
+  end
+
+  def test_post_match
+    s = StringScanner.new('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(/\w/)
+    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
+
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str)
+    s.scan(/\w+/)
+    assert_equal true, s.post_match.tainted?
+    s.scan(/\s+/)
+    assert_equal true, s.post_match.tainted?
+    s.scan(/\w+/)
+    assert_equal true, s.post_match.tainted?
+  end
+
+  def test_terminate
+    s = StringScanner.new('ssss')
+    s.getch
+    s.terminate
+    assert_equal true, s.eos?
+    s.terminate
+    assert_equal true, s.eos?
+  end
+
+  def test_reset
+    s = StringScanner.new('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 = StringScanner.new('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
+
+    # 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