* test/strscan/test_stringscanner.rb: new file.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@4560 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 403 insertions, 0 deletions

diff --git a/test/strscan/test_stringscanner.rb b/test/strscan/test_stringscanner.rb
new file mode 100644
index 000000000..322da4c48
--- /dev/null
+++ b/test/strscan/test_stringscanner.rb
@@ -0,0 +1,403 @@
+#
+# test/strscan/test_stringscanner.rb
+#
+
+require 'test/unit/testsuite'
+require 'test/unit/testcase'
+require 'strscan'
+
+
+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 true, s.string.frozen?
+    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.frozen?
+    assert_equal true, s.string.tainted?
+
+    str = 'test string'
+    str.taint
+    s = StringScanner.new(str)
+    assert_equal true, s.string.tainted?
+  end
+
+if VERSION >= '1.7.0'
+  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
+end
+
+  def test_s_mustc
+    assert_nothing_raised(NotImplementedError) {
+        StringScanner.must_C_version
+    }
+  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?
+  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?
+  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_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+/)
+  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?
+  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
+
+    $KCODE = 'EUC'
+    s = StringScanner.new("\244\242")
+    assert_equal "\244\242", s.getch
+    assert_nil s.getch
+    $KCODE = 'NONE'
+  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
+
+    $KCODE = 'EUC'
+    s = StringScanner.new("\244\242")
+    assert_equal "\244", s.get_byte
+    assert_equal "\242", s.get_byte
+    assert_nil s.get_byte
+    $KCODE = 'NONE'
+  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]
+
+
+    $KCODE = 'EUC'
+    s = StringScanner.new("\244\242")
+    s.getch
+    assert_equal "\244\242", s[0]
+    $KCODE = 'NONE'
+
+
+    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
+
+end
+
+
+if $0 == __FILE__
+  require 'test/unit/ui/console/testrunner'
+  Test::Unit::UI::Console::TestRunner.run(TestStringScanner.suite)
+end