| import sys | |
| import unittest | |
| import Cython.Compiler.StringEncoding as StringEncoding | |
| class StringEncodingTest(unittest.TestCase): | |
| """ | |
| Test the StringEncoding module. | |
| """ | |
| def test_string_contains_lone_surrogates(self): | |
| self.assertFalse(StringEncoding.string_contains_lone_surrogates("abc")) | |
| self.assertFalse(StringEncoding.string_contains_lone_surrogates("\uABCD")) | |
| self.assertFalse(StringEncoding.string_contains_lone_surrogates("\N{SNOWMAN}")) | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates("\uD800\uDFFF")) | |
| obfuscated_surrogate_pair = ("\uDFFF" + "\uD800")[::-1] | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates(obfuscated_surrogate_pair)) | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates("\uD800")) | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates("\uDFFF")) | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates("\uDFFF\uD800")) | |
| self.assertTrue(StringEncoding.string_contains_lone_surrogates("\uD800x\uDFFF")) | |
| def test_string_contains_surrogates(self): | |
| self.assertFalse(StringEncoding.string_contains_surrogates("abc")) | |
| self.assertFalse(StringEncoding.string_contains_surrogates("\uABCD")) | |
| self.assertFalse(StringEncoding.string_contains_surrogates("\N{SNOWMAN}")) | |
| self.assertTrue(StringEncoding.string_contains_surrogates("\uD800")) | |
| self.assertTrue(StringEncoding.string_contains_surrogates("\uDFFF")) | |
| self.assertTrue(StringEncoding.string_contains_surrogates("\uD800\uDFFF")) | |
| self.assertTrue(StringEncoding.string_contains_surrogates("\uDFFF\uD800")) | |
| self.assertTrue(StringEncoding.string_contains_surrogates("\uD800x\uDFFF")) | |