Python check_charclass_homogeneous_ranges示例

示例#1

 def test_bad_charclass3(self):
     r = Regex.get_parse_tree(r"[\010-\020]")
     print("\n".join(fmttree(r)))
     print(r.children[0].chars)
     errs = []
     check_charclass_homogeneous_ranges(r, errs)
     print(errs)
     self.assertEqual(len(errs), 1)

示例#2

 def test_good_unicode_charclass(self):
     r = Regex.get_parse_tree(u"[\u1000-\uffff]")
     print("\n".join(fmttree(r)))
     print(r.children[0].chars)
     errs = []
     check_charclass_homogeneous_ranges(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)

示例#3

 def test_dash_ends_charclass(self):
     r = Regex.get_parse_tree(r"[_-]")
     print("\n".join(fmttree(r)))
     print(r.children[0].chars)
     errs = []
     check_charclass_homogeneous_ranges(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)
     self.assertEqual(len(r.children[0].chars), 2)
     self.assertEqual(r.children[0].chars[0].data, "_")
     self.assertEqual(r.children[0].chars[1].data, "-")

示例#4

 def test_dash_after_range_charclass(self):
     r = Regex.get_parse_tree(r"[0-9-_]")
     print("\n".join(fmttree(r)))
     print(r.children[0].chars)
     errs = []
     check_charclass_homogeneous_ranges(r, errs)
     print(errs)
     self.assertEqual(len(errs), 0)
     self.assertEqual(len(r.children[0].chars), 3)
     self.assertEqual(r.children[0].chars[0].a.data, "0")
     self.assertEqual(r.children[0].chars[0].b.data, "9")
     self.assertEqual(r.children[0].chars[1].data, "-")
     self.assertEqual(r.children[0].chars[2].data, "_")

示例#5

 def test_good_charclass_hex(self):
     r = Regex.get_parse_tree(r"[\x00-\xff]")
     print("\n".join(fmttree(r)))
     errs = []
     check_charclass_homogeneous_ranges(r, errs)
     self.assertEqual(len(errs), 0)