diff options
Diffstat (limited to 'Lib/test')
| -rw-r--r-- | Lib/test/test_collections.py | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py index 3ccc06ca13..62da9c5c3f 100644 --- a/Lib/test/test_collections.py +++ b/Lib/test/test_collections.py @@ -8,6 +8,7 @@ from collections import Sized, Container, Callable from collections import Set, MutableSet from collections import Mapping, MutableMapping from collections import Sequence, MutableSequence +from collections import ByteString class TestNamedTuple(unittest.TestCase): @@ -260,11 +261,21 @@ class TestCollectionABCs(unittest.TestCase): self.failUnless(issubclass(sample, Sequence)) self.failUnless(issubclass(str, Sequence)) + def test_ByteString(self): + for sample in [bytes, bytearray]: + self.failUnless(isinstance(sample(), ByteString)) + self.failUnless(issubclass(sample, ByteString)) + for sample in [str, list, tuple]: + self.failIf(isinstance(sample(), ByteString)) + self.failIf(issubclass(sample, ByteString)) + self.failIf(isinstance(memoryview(b""), ByteString)) + self.failIf(issubclass(memoryview, ByteString)) + def test_MutableSequence(self): - for sample in [tuple, str]: + for sample in [tuple, str, bytes]: self.failIf(isinstance(sample(), MutableSequence)) self.failIf(issubclass(sample, MutableSequence)) - for sample in [list, bytes]: + for sample in [list, bytearray]: self.failUnless(isinstance(sample(), MutableSequence)) self.failUnless(issubclass(sample, MutableSequence)) self.failIf(issubclass(str, MutableSequence)) |