diff options
Diffstat (limited to 'Lib/test/test_format.py')
| -rw-r--r-- | Lib/test/test_format.py | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py index bd159f56893..29330f91713 100644 --- a/Lib/test/test_format.py +++ b/Lib/test/test_format.py @@ -307,27 +307,41 @@ class FormatTest(unittest.TestCase): finally: locale.setlocale(locale.LC_ALL, oldloc) + @support.cpython_only + def test_optimisations(self): + text = "abcde" # 5 characters + self.assertIs("%s" % text, text) + self.assertIs("%.5s" % text, text) + self.assertIs("%.10s" % text, text) + self.assertIs("%1s" % text, text) + self.assertIs("%5s" % text, text) -def test_main(): - support.run_unittest(FormatTest) + self.assertIs("{0}".format(text), text) + self.assertIs("{0:s}".format(text), text) + self.assertIs("{0:.5s}".format(text), text) + self.assertIs("{0:.10s}".format(text), text) + self.assertIs("{0:1s}".format(text), text) + self.assertIs("{0:5s}".format(text), text) + self.assertIs(text % (), text) + self.assertIs(text.format(), text) + + @support.cpython_only def test_precision(self): - INT_MAX = 2147483647 + from _testcapi import INT_MAX f = 1.2 self.assertEqual(format(f, ".0f"), "1") self.assertEqual(format(f, ".3f"), "1.200") with self.assertRaises(ValueError) as cm: format(f, ".%sf" % (INT_MAX + 1)) - self.assertEqual(str(cm.exception), "precision too big") c = complex(f) - self.assertEqual(format(f, ".0f"), "1") - self.assertEqual(format(f, ".3f"), "1.200") + self.assertEqual(format(c, ".0f"), "1+0j") + self.assertEqual(format(c, ".3f"), "1.200+0.000j") with self.assertRaises(ValueError) as cm: - format(f, ".%sf" % (INT_MAX + 1)) - self.assertEqual(str(cm.exception), "precision too big") + format(c, ".%sf" % (INT_MAX + 1)) if __name__ == "__main__": |