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-rw-r--r--Lib/test/test_bytes.py113
1 files changed, 100 insertions, 13 deletions
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 6b58e74dd8..7ff7f19ef4 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -301,6 +301,14 @@ class BaseBytesTest:
self.assertRaises(ValueError, self.type2test.fromhex, '\x00')
self.assertRaises(ValueError, self.type2test.fromhex, '12 \x00 34')
+ def test_hex(self):
+ self.assertRaises(TypeError, self.type2test.hex)
+ self.assertRaises(TypeError, self.type2test.hex, 1)
+ self.assertEqual(self.type2test(b"").hex(), "")
+ self.assertEqual(bytearray([0x1a, 0x2b, 0x30]).hex(), '1a2b30')
+ self.assertEqual(self.type2test(b"\x1a\x2b\x30").hex(), '1a2b30')
+ self.assertEqual(memoryview(b"\x1a\x2b\x30").hex(), '1a2b30')
+
def test_join(self):
self.assertEqual(self.type2test(b"").join([]), b"")
self.assertEqual(self.type2test(b"").join([b""]), b"")
@@ -461,6 +469,28 @@ class BaseBytesTest:
self.assertEqual(b.rindex(i, 3, 9), 7)
self.assertRaises(ValueError, b.rindex, w, 1, 3)
+ def test_mod(self):
+ b = b'hello, %b!'
+ orig = b
+ b = b % b'world'
+ self.assertEqual(b, b'hello, world!')
+ self.assertEqual(orig, b'hello, %b!')
+ self.assertFalse(b is orig)
+ b = b'%s / 100 = %d%%'
+ a = b % (b'seventy-nine', 79)
+ self.assertEqual(a, b'seventy-nine / 100 = 79%')
+
+ def test_imod(self):
+ b = b'hello, %b!'
+ orig = b
+ b %= b'world'
+ self.assertEqual(b, b'hello, world!')
+ self.assertEqual(orig, b'hello, %b!')
+ self.assertFalse(b is orig)
+ b = b'%s / 100 = %d%%'
+ b %= (b'seventy-nine', 79)
+ self.assertEqual(b, b'seventy-nine / 100 = 79%')
+
def test_replace(self):
b = self.type2test(b'mississippi')
self.assertEqual(b.replace(b'i', b'a'), b'massassappa')
@@ -722,6 +752,11 @@ class BaseBytesTest:
class BytesTest(BaseBytesTest, unittest.TestCase):
type2test = bytes
+ def test_getitem_error(self):
+ msg = "byte indices must be integers or slices"
+ with self.assertRaisesRegex(TypeError, msg):
+ b'python'['a']
+
def test_buffer_is_readonly(self):
fd = os.open(__file__, os.O_RDONLY)
with open(fd, "rb", buffering=0) as f:
@@ -776,6 +811,17 @@ class BytesTest(BaseBytesTest, unittest.TestCase):
class ByteArrayTest(BaseBytesTest, unittest.TestCase):
type2test = bytearray
+ def test_getitem_error(self):
+ msg = "bytearray indices must be integers or slices"
+ with self.assertRaisesRegex(TypeError, msg):
+ bytearray(b'python')['a']
+
+ def test_setitem_error(self):
+ msg = "bytearray indices must be integers or slices"
+ with self.assertRaisesRegex(TypeError, msg):
+ b = bytearray(b'python')
+ b['a'] = "python"
+
def test_nohash(self):
self.assertRaises(TypeError, hash, bytearray())
@@ -990,6 +1036,28 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase):
b[8:] = b
self.assertEqual(b, bytearray(list(range(8)) + list(range(256))))
+ def test_mod(self):
+ b = bytearray(b'hello, %b!')
+ orig = b
+ b = b % b'world'
+ self.assertEqual(b, b'hello, world!')
+ self.assertEqual(orig, bytearray(b'hello, %b!'))
+ self.assertFalse(b is orig)
+ b = bytearray(b'%s / 100 = %d%%')
+ a = b % (b'seventy-nine', 79)
+ self.assertEqual(a, bytearray(b'seventy-nine / 100 = 79%'))
+
+ def test_imod(self):
+ b = bytearray(b'hello, %b!')
+ orig = b
+ b %= b'world'
+ self.assertEqual(b, b'hello, world!')
+ self.assertEqual(orig, bytearray(b'hello, %b!'))
+ self.assertFalse(b is orig)
+ b = bytearray(b'%s / 100 = %d%%')
+ b %= (b'seventy-nine', 79)
+ self.assertEqual(b, bytearray(b'seventy-nine / 100 = 79%'))
+
def test_iconcat(self):
b = bytearray(b"abc")
b1 = b
@@ -1180,6 +1248,10 @@ class ByteArrayTest(BaseBytesTest, unittest.TestCase):
self.assertRaises(BufferError, delslice)
self.assertEqual(b, orig)
+ @test.support.cpython_only
+ def test_obsolete_write_lock(self):
+ from _testcapi import getbuffer_with_null_view
+ self.assertRaises(BufferError, getbuffer_with_null_view, bytearray())
class AssortedBytesTest(unittest.TestCase):
#
@@ -1290,20 +1362,35 @@ class AssortedBytesTest(unittest.TestCase):
b = bytearray()
self.assertFalse(b.replace(b'', b'') is b)
+ @unittest.skipUnless(sys.flags.bytes_warning,
+ "BytesWarning is needed for this test: use -bb option")
def test_compare(self):
- if sys.flags.bytes_warning:
- def bytes_warning():
- return test.support.check_warnings(('', BytesWarning))
- with bytes_warning():
- b'' == ''
- with bytes_warning():
- b'' != ''
- with bytes_warning():
- bytearray(b'') == ''
- with bytes_warning():
- bytearray(b'') != ''
- else:
- self.skipTest("BytesWarning is needed for this test: use -bb option")
+ def bytes_warning():
+ return test.support.check_warnings(('', BytesWarning))
+ with bytes_warning():
+ b'' == ''
+ with bytes_warning():
+ '' == b''
+ with bytes_warning():
+ b'' != ''
+ with bytes_warning():
+ '' != b''
+ with bytes_warning():
+ bytearray(b'') == ''
+ with bytes_warning():
+ '' == bytearray(b'')
+ with bytes_warning():
+ bytearray(b'') != ''
+ with bytes_warning():
+ '' != bytearray(b'')
+ with bytes_warning():
+ b'\0' == 0
+ with bytes_warning():
+ 0 == b'\0'
+ with bytes_warning():
+ b'\0' != 0
+ with bytes_warning():
+ 0 != b'\0'
# Optimizations:
# __iter__? (optimization)