Issue #18048: Rename test_pep263.py to test_source_encoding.py.

Lib/test/test_source_encoding.py

@@ -0,0 +1,80 @@
+# -*- coding: koi8-r -*-
+
+import unittest
+from test import support
+
+class PEP263Test(unittest.TestCase):
+
+    def test_pep263(self):
+        self.assertEqual(
+            "ðÉÔÏÎ".encode("utf-8"),
+            b'\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd'
+        )
+        self.assertEqual(
+            "\ð".encode("utf-8"),
+            b'\\\xd0\x9f'
+        )
+
+    def test_compilestring(self):
+        # see #1882
+        c = compile(b"\n# coding: utf-8\nu = '\xc3\xb3'\n", "dummy", "exec")
+        d = {}
+        exec(c, d)
+        self.assertEqual(d['u'], '\xf3')
+
+    def test_issue2301(self):
+        try:
+            compile(b"# coding: cp932\nprint '\x94\x4e'", "dummy", "exec")
+        except SyntaxError as v:
+            self.assertEqual(v.text, "print '\u5e74'\n")
+        else:
+            self.fail()
+
+    def test_issue4626(self):
+        c = compile("# coding=latin-1\n\u00c6 = '\u00c6'", "dummy", "exec")
+        d = {}
+        exec(c, d)
+        self.assertEqual(d['\xc6'], '\xc6')
+
+    def test_issue3297(self):
+        c = compile("a, b = '\U0001010F', '\\U0001010F'", "dummy", "exec")
+        d = {}
+        exec(c, d)
+        self.assertEqual(d['a'], d['b'])
+        self.assertEqual(len(d['a']), len(d['b']))
+        self.assertEqual(ascii(d['a']), ascii(d['b']))
+
+    def test_issue7820(self):
+        # Ensure that check_bom() restores all bytes in the right order if
+        # check_bom() fails in pydebug mode: a buffer starts with the first
+        # byte of a valid BOM, but next bytes are different
+
+        # one byte in common with the UTF-16-LE BOM
+        self.assertRaises(SyntaxError, eval, b'\xff\x20')
+
+        # two bytes in common with the UTF-8 BOM
+        self.assertRaises(SyntaxError, eval, b'\xef\xbb\x20')
+
+    def test_error_message(self):
+        compile(b'# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec')
+        compile(b'\xef\xbb\xbf\n', 'dummy', 'exec')
+        compile(b'\xef\xbb\xbf# -*- coding: utf-8 -*-\n', 'dummy', 'exec')
+        with self.assertRaisesRegexp(SyntaxError, 'fake'):
+            compile(b'# -*- coding: fake -*-\n', 'dummy', 'exec')
+        with self.assertRaisesRegexp(SyntaxError, 'iso-8859-15'):
+            compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n',
+                    'dummy', 'exec')
+        with self.assertRaisesRegexp(SyntaxError, 'BOM'):
+            compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n',
+                    'dummy', 'exec')
+        with self.assertRaisesRegexp(SyntaxError, 'fake'):
+            compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec')
+        with self.assertRaisesRegexp(SyntaxError, 'BOM'):
+            compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec')
+
+
+def test_main():
+    support.run_unittest(PEP263Test)
+
+if __name__=="__main__":
+    test_main()