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authorEthan Furman <ethan@stoneleaf.us>2015-01-24 04:05:18 (GMT)
committerEthan Furman <ethan@stoneleaf.us>2015-01-24 04:05:18 (GMT)
commitb95b56150fc3e7834783b54acdddeaed4fe44e27 (patch)
treec1994946e84b457841024402b50f8a9640211cb4 /Lib/test
parent8861502e0746465c4124548681f05969c08f4cae (diff)
downloadcpython-b95b56150fc3e7834783b54acdddeaed4fe44e27.zip
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Issue20284: Implement PEP461
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_bytes.py44
-rw-r--r--Lib/test/test_format.py385
2 files changed, 288 insertions, 141 deletions
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index e8dde5d..995a908 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -461,6 +461,28 @@ 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.assertEquals(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.assertEquals(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')
@@ -990,6 +1012,28 @@ 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.assertEquals(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.assertEquals(b, bytearray(b'seventy-nine / 100 = 79%'))
+
def test_iconcat(self):
b = bytearray(b"abc")
b1 = b
diff --git a/Lib/test/test_format.py b/Lib/test/test_format.py
index 631bf35..9d1f5d3 100644
--- a/Lib/test/test_format.py
+++ b/Lib/test/test_format.py
@@ -9,7 +9,7 @@ maxsize = support.MAX_Py_ssize_t
# test string formatting operator (I am not sure if this is being tested
# elsewhere but, surely, some of the given cases are *not* tested because
# they crash python)
-# test on unicode strings as well
+# test on bytes object as well
def testformat(formatstr, args, output=None, limit=None, overflowok=False):
if verbose:
@@ -46,181 +46,209 @@ def testformat(formatstr, args, output=None, limit=None, overflowok=False):
if verbose:
print('yes')
+def testcommon(formatstr, args, output=None, limit=None, overflowok=False):
+ # if formatstr is a str, test str, bytes, and bytearray;
+ # otherwise, test bytes and bytearry
+ if isinstance(formatstr, str):
+ testformat(formatstr, args, output, limit, overflowok)
+ b_format = formatstr.encode('ascii')
+ else:
+ b_format = formatstr
+ ba_format = bytearray(b_format)
+ b_args = []
+ if not isinstance(args, tuple):
+ args = (args, )
+ b_args = tuple(args)
+ if output is None:
+ b_output = ba_output = None
+ else:
+ if isinstance(output, str):
+ b_output = output.encode('ascii')
+ else:
+ b_output = output
+ ba_output = bytearray(b_output)
+ testformat(b_format, b_args, b_output, limit, overflowok)
+ testformat(ba_format, b_args, ba_output, limit, overflowok)
+
class FormatTest(unittest.TestCase):
- def test_format(self):
- testformat("%.1d", (1,), "1")
- testformat("%.*d", (sys.maxsize,1), overflowok=True) # expect overflow
- testformat("%.100d", (1,), '00000000000000000000000000000000000000'
+
+ def test_common_format(self):
+ # test the format identifiers that work the same across
+ # str, bytes, and bytearrays (integer, float, oct, hex)
+ testcommon("%.1d", (1,), "1")
+ testcommon("%.*d", (sys.maxsize,1), overflowok=True) # expect overflow
+ testcommon("%.100d", (1,), '00000000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'00000001', overflowok=True)
- testformat("%#.117x", (1,), '0x00000000000000000000000000000000000'
+ testcommon("%#.117x", (1,), '0x00000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'0000000000000000000000000001',
overflowok=True)
- testformat("%#.118x", (1,), '0x00000000000000000000000000000000000'
+ testcommon("%#.118x", (1,), '0x00000000000000000000000000000000000'
'000000000000000000000000000000000000000000000000000000'
'00000000000000000000000000001',
overflowok=True)
- testformat("%f", (1.0,), "1.000000")
+ testcommon("%f", (1.0,), "1.000000")
# these are trying to test the limits of the internal magic-number-length
# formatting buffer, if that number changes then these tests are less
# effective
- testformat("%#.*g", (109, -1.e+49/3.))
- testformat("%#.*g", (110, -1.e+49/3.))
- testformat("%#.*g", (110, -1.e+100/3.))
+ testcommon("%#.*g", (109, -1.e+49/3.))
+ testcommon("%#.*g", (110, -1.e+49/3.))
+ testcommon("%#.*g", (110, -1.e+100/3.))
# test some ridiculously large precision, expect overflow
- testformat('%12.*f', (123456, 1.0))
+ testcommon('%12.*f', (123456, 1.0))
# check for internal overflow validation on length of precision
# these tests should no longer cause overflow in Python
# 2.7/3.1 and later.
- testformat("%#.*g", (110, -1.e+100/3.))
- testformat("%#.*G", (110, -1.e+100/3.))
- testformat("%#.*f", (110, -1.e+100/3.))
- testformat("%#.*F", (110, -1.e+100/3.))
+ testcommon("%#.*g", (110, -1.e+100/3.))
+ testcommon("%#.*G", (110, -1.e+100/3.))
+ testcommon("%#.*f", (110, -1.e+100/3.))
+ testcommon("%#.*F", (110, -1.e+100/3.))
# Formatting of integers. Overflow is not ok
- testformat("%x", 10, "a")
- testformat("%x", 100000000000, "174876e800")
- testformat("%o", 10, "12")
- testformat("%o", 100000000000, "1351035564000")
- testformat("%d", 10, "10")
- testformat("%d", 100000000000, "100000000000")
+ testcommon("%x", 10, "a")
+ testcommon("%x", 100000000000, "174876e800")
+ testcommon("%o", 10, "12")
+ testcommon("%o", 100000000000, "1351035564000")
+ testcommon("%d", 10, "10")
+ testcommon("%d", 100000000000, "100000000000")
big = 123456789012345678901234567890
- testformat("%d", big, "123456789012345678901234567890")
- testformat("%d", -big, "-123456789012345678901234567890")
- testformat("%5d", -big, "-123456789012345678901234567890")
- testformat("%31d", -big, "-123456789012345678901234567890")
- testformat("%32d", -big, " -123456789012345678901234567890")
- testformat("%-32d", -big, "-123456789012345678901234567890 ")
- testformat("%032d", -big, "-0123456789012345678901234567890")
- testformat("%-032d", -big, "-123456789012345678901234567890 ")
- testformat("%034d", -big, "-000123456789012345678901234567890")
- testformat("%034d", big, "0000123456789012345678901234567890")
- testformat("%0+34d", big, "+000123456789012345678901234567890")
- testformat("%+34d", big, " +123456789012345678901234567890")
- testformat("%34d", big, " 123456789012345678901234567890")
- testformat("%.2d", big, "123456789012345678901234567890")
- testformat("%.30d", big, "123456789012345678901234567890")
- testformat("%.31d", big, "0123456789012345678901234567890")
- testformat("%32.31d", big, " 0123456789012345678901234567890")
- testformat("%d", float(big), "123456________________________", 6)
+ testcommon("%d", big, "123456789012345678901234567890")
+ testcommon("%d", -big, "-123456789012345678901234567890")
+ testcommon("%5d", -big, "-123456789012345678901234567890")
+ testcommon("%31d", -big, "-123456789012345678901234567890")
+ testcommon("%32d", -big, " -123456789012345678901234567890")
+ testcommon("%-32d", -big, "-123456789012345678901234567890 ")
+ testcommon("%032d", -big, "-0123456789012345678901234567890")
+ testcommon("%-032d", -big, "-123456789012345678901234567890 ")
+ testcommon("%034d", -big, "-000123456789012345678901234567890")
+ testcommon("%034d", big, "0000123456789012345678901234567890")
+ testcommon("%0+34d", big, "+000123456789012345678901234567890")
+ testcommon("%+34d", big, " +123456789012345678901234567890")
+ testcommon("%34d", big, " 123456789012345678901234567890")
+ testcommon("%.2d", big, "123456789012345678901234567890")
+ testcommon("%.30d", big, "123456789012345678901234567890")
+ testcommon("%.31d", big, "0123456789012345678901234567890")
+ testcommon("%32.31d", big, " 0123456789012345678901234567890")
+ testcommon("%d", float(big), "123456________________________", 6)
big = 0x1234567890abcdef12345 # 21 hex digits
- testformat("%x", big, "1234567890abcdef12345")
- testformat("%x", -big, "-1234567890abcdef12345")
- testformat("%5x", -big, "-1234567890abcdef12345")
- testformat("%22x", -big, "-1234567890abcdef12345")
- testformat("%23x", -big, " -1234567890abcdef12345")
- testformat("%-23x", -big, "-1234567890abcdef12345 ")
- testformat("%023x", -big, "-01234567890abcdef12345")
- testformat("%-023x", -big, "-1234567890abcdef12345 ")
- testformat("%025x", -big, "-0001234567890abcdef12345")
- testformat("%025x", big, "00001234567890abcdef12345")
- testformat("%0+25x", big, "+0001234567890abcdef12345")
- testformat("%+25x", big, " +1234567890abcdef12345")
- testformat("%25x", big, " 1234567890abcdef12345")
- testformat("%.2x", big, "1234567890abcdef12345")
- testformat("%.21x", big, "1234567890abcdef12345")
- testformat("%.22x", big, "01234567890abcdef12345")
- testformat("%23.22x", big, " 01234567890abcdef12345")
- testformat("%-23.22x", big, "01234567890abcdef12345 ")
- testformat("%X", big, "1234567890ABCDEF12345")
- testformat("%#X", big, "0X1234567890ABCDEF12345")
- testformat("%#x", big, "0x1234567890abcdef12345")
- testformat("%#x", -big, "-0x1234567890abcdef12345")
- testformat("%#.23x", -big, "-0x001234567890abcdef12345")
- testformat("%#+.23x", big, "+0x001234567890abcdef12345")
- testformat("%# .23x", big, " 0x001234567890abcdef12345")
- testformat("%#+.23X", big, "+0X001234567890ABCDEF12345")
- testformat("%#-+.23X", big, "+0X001234567890ABCDEF12345")
- testformat("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
- testformat("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
- testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
+ testcommon("%x", big, "1234567890abcdef12345")
+ testcommon("%x", -big, "-1234567890abcdef12345")
+ testcommon("%5x", -big, "-1234567890abcdef12345")
+ testcommon("%22x", -big, "-1234567890abcdef12345")
+ testcommon("%23x", -big, " -1234567890abcdef12345")
+ testcommon("%-23x", -big, "-1234567890abcdef12345 ")
+ testcommon("%023x", -big, "-01234567890abcdef12345")
+ testcommon("%-023x", -big, "-1234567890abcdef12345 ")
+ testcommon("%025x", -big, "-0001234567890abcdef12345")
+ testcommon("%025x", big, "00001234567890abcdef12345")
+ testcommon("%0+25x", big, "+0001234567890abcdef12345")
+ testcommon("%+25x", big, " +1234567890abcdef12345")
+ testcommon("%25x", big, " 1234567890abcdef12345")
+ testcommon("%.2x", big, "1234567890abcdef12345")
+ testcommon("%.21x", big, "1234567890abcdef12345")
+ testcommon("%.22x", big, "01234567890abcdef12345")
+ testcommon("%23.22x", big, " 01234567890abcdef12345")
+ testcommon("%-23.22x", big, "01234567890abcdef12345 ")
+ testcommon("%X", big, "1234567890ABCDEF12345")
+ testcommon("%#X", big, "0X1234567890ABCDEF12345")
+ testcommon("%#x", big, "0x1234567890abcdef12345")
+ testcommon("%#x", -big, "-0x1234567890abcdef12345")
+ testcommon("%#.23x", -big, "-0x001234567890abcdef12345")
+ testcommon("%#+.23x", big, "+0x001234567890abcdef12345")
+ testcommon("%# .23x", big, " 0x001234567890abcdef12345")
+ testcommon("%#+.23X", big, "+0X001234567890ABCDEF12345")
+ testcommon("%#-+.23X", big, "+0X001234567890ABCDEF12345")
+ testcommon("%#-+26.23X", big, "+0X001234567890ABCDEF12345")
+ testcommon("%#-+27.23X", big, "+0X001234567890ABCDEF12345 ")
+ testcommon("%#+27.23X", big, " +0X001234567890ABCDEF12345")
# next one gets two leading zeroes from precision, and another from the
# 0 flag and the width
- testformat("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
+ testcommon("%#+027.23X", big, "+0X0001234567890ABCDEF12345")
# same, except no 0 flag
- testformat("%#+27.23X", big, " +0X001234567890ABCDEF12345")
+ testcommon("%#+27.23X", big, " +0X001234567890ABCDEF12345")
big = 0o12345670123456701234567012345670 # 32 octal digits
- testformat("%o", big, "12345670123456701234567012345670")
- testformat("%o", -big, "-12345670123456701234567012345670")
- testformat("%5o", -big, "-12345670123456701234567012345670")
- testformat("%33o", -big, "-12345670123456701234567012345670")
- testformat("%34o", -big, " -12345670123456701234567012345670")
- testformat("%-34o", -big, "-12345670123456701234567012345670 ")
- testformat("%034o", -big, "-012345670123456701234567012345670")
- testformat("%-034o", -big, "-12345670123456701234567012345670 ")
- testformat("%036o", -big, "-00012345670123456701234567012345670")
- testformat("%036o", big, "000012345670123456701234567012345670")
- testformat("%0+36o", big, "+00012345670123456701234567012345670")
- testformat("%+36o", big, " +12345670123456701234567012345670")
- testformat("%36o", big, " 12345670123456701234567012345670")
- testformat("%.2o", big, "12345670123456701234567012345670")
- testformat("%.32o", big, "12345670123456701234567012345670")
- testformat("%.33o", big, "012345670123456701234567012345670")
- testformat("%34.33o", big, " 012345670123456701234567012345670")
- testformat("%-34.33o", big, "012345670123456701234567012345670 ")
- testformat("%o", big, "12345670123456701234567012345670")
- testformat("%#o", big, "0o12345670123456701234567012345670")
- testformat("%#o", -big, "-0o12345670123456701234567012345670")
- testformat("%#.34o", -big, "-0o0012345670123456701234567012345670")
- testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
- testformat("%# .34o", big, " 0o0012345670123456701234567012345670")
- testformat("%#+.34o", big, "+0o0012345670123456701234567012345670")
- testformat("%#-+.34o", big, "+0o0012345670123456701234567012345670")
- testformat("%#-+37.34o", big, "+0o0012345670123456701234567012345670")
- testformat("%#+37.34o", big, "+0o0012345670123456701234567012345670")
+ testcommon("%o", big, "12345670123456701234567012345670")
+ testcommon("%o", -big, "-12345670123456701234567012345670")
+ testcommon("%5o", -big, "-12345670123456701234567012345670")
+ testcommon("%33o", -big, "-12345670123456701234567012345670")
+ testcommon("%34o", -big, " -12345670123456701234567012345670")
+ testcommon("%-34o", -big, "-12345670123456701234567012345670 ")
+ testcommon("%034o", -big, "-012345670123456701234567012345670")
+ testcommon("%-034o", -big, "-12345670123456701234567012345670 ")
+ testcommon("%036o", -big, "-00012345670123456701234567012345670")
+ testcommon("%036o", big, "000012345670123456701234567012345670")
+ testcommon("%0+36o", big, "+00012345670123456701234567012345670")
+ testcommon("%+36o", big, " +12345670123456701234567012345670")
+ testcommon("%36o", big, " 12345670123456701234567012345670")
+ testcommon("%.2o", big, "12345670123456701234567012345670")
+ testcommon("%.32o", big, "12345670123456701234567012345670")
+ testcommon("%.33o", big, "012345670123456701234567012345670")
+ testcommon("%34.33o", big, " 012345670123456701234567012345670")
+ testcommon("%-34.33o", big, "012345670123456701234567012345670 ")
+ testcommon("%o", big, "12345670123456701234567012345670")
+ testcommon("%#o", big, "0o12345670123456701234567012345670")
+ testcommon("%#o", -big, "-0o12345670123456701234567012345670")
+ testcommon("%#.34o", -big, "-0o0012345670123456701234567012345670")
+ testcommon("%#+.34o", big, "+0o0012345670123456701234567012345670")
+ testcommon("%# .34o", big, " 0o0012345670123456701234567012345670")
+ testcommon("%#+.34o", big, "+0o0012345670123456701234567012345670")
+ testcommon("%#-+.34o", big, "+0o0012345670123456701234567012345670")
+ testcommon("%#-+37.34o", big, "+0o0012345670123456701234567012345670")
+ testcommon("%#+37.34o", big, "+0o0012345670123456701234567012345670")
# next one gets one leading zero from precision
- testformat("%.33o", big, "012345670123456701234567012345670")
+ testcommon("%.33o", big, "012345670123456701234567012345670")
# base marker shouldn't change that, since "0" is redundant
- testformat("%#.33o", big, "0o012345670123456701234567012345670")
+ testcommon("%#.33o", big, "0o012345670123456701234567012345670")
# but reduce precision, and base marker should add a zero
- testformat("%#.32o", big, "0o12345670123456701234567012345670")
+ testcommon("%#.32o", big, "0o12345670123456701234567012345670")
# one leading zero from precision, and another from "0" flag & width
- testformat("%034.33o", big, "0012345670123456701234567012345670")
+ testcommon("%034.33o", big, "0012345670123456701234567012345670")
# base marker shouldn't change that
- testformat("%0#34.33o", big, "0o012345670123456701234567012345670")
+ testcommon("%0#34.33o", big, "0o012345670123456701234567012345670")
# Some small ints, in both Python int and flavors).
- testformat("%d", 42, "42")
- testformat("%d", -42, "-42")
- testformat("%d", 42, "42")
- testformat("%d", -42, "-42")
- testformat("%d", 42.0, "42")
- testformat("%#x", 1, "0x1")
- testformat("%#x", 1, "0x1")
- testformat("%#X", 1, "0X1")
- testformat("%#X", 1, "0X1")
- testformat("%#o", 1, "0o1")
- testformat("%#o", 1, "0o1")
- testformat("%#o", 0, "0o0")
- testformat("%#o", 0, "0o0")
- testformat("%o", 0, "0")
- testformat("%o", 0, "0")
- testformat("%d", 0, "0")
- testformat("%d", 0, "0")
- testformat("%#x", 0, "0x0")
- testformat("%#x", 0, "0x0")
- testformat("%#X", 0, "0X0")
- testformat("%#X", 0, "0X0")
- testformat("%x", 0x42, "42")
- testformat("%x", -0x42, "-42")
- testformat("%x", 0x42, "42")
- testformat("%x", -0x42, "-42")
- testformat("%o", 0o42, "42")
- testformat("%o", -0o42, "-42")
- testformat("%o", 0o42, "42")
- testformat("%o", -0o42, "-42")
+ testcommon("%d", 42, "42")
+ testcommon("%d", -42, "-42")
+ testcommon("%d", 42, "42")
+ testcommon("%d", -42, "-42")
+ testcommon("%d", 42.0, "42")
+ testcommon("%#x", 1, "0x1")
+ testcommon("%#x", 1, "0x1")
+ testcommon("%#X", 1, "0X1")
+ testcommon("%#X", 1, "0X1")
+ testcommon("%#o", 1, "0o1")
+ testcommon("%#o", 1, "0o1")
+ testcommon("%#o", 0, "0o0")
+ testcommon("%#o", 0, "0o0")
+ testcommon("%o", 0, "0")
+ testcommon("%o", 0, "0")
+ testcommon("%d", 0, "0")
+ testcommon("%d", 0, "0")
+ testcommon("%#x", 0, "0x0")
+ testcommon("%#x", 0, "0x0")
+ testcommon("%#X", 0, "0X0")
+ testcommon("%#X", 0, "0X0")
+ testcommon("%x", 0x42, "42")
+ testcommon("%x", -0x42, "-42")
+ testcommon("%x", 0x42, "42")
+ testcommon("%x", -0x42, "-42")
+ testcommon("%o", 0o42, "42")
+ testcommon("%o", -0o42, "-42")
+ testcommon("%o", 0o42, "42")
+ testcommon("%o", -0o42, "-42")
+ # alternate float formatting
+ testcommon('%g', 1.1, '1.1')
+ testcommon('%#g', 1.1, '1.10000')
+
+ def test_str_format(self):
testformat("%r", "\u0378", "'\\u0378'") # non printable
testformat("%a", "\u0378", "'\\u0378'") # non printable
testformat("%r", "\u0374", "'\u0374'") # printable
testformat("%a", "\u0374", "'\\u0374'") # printable
- # alternate float formatting
- testformat('%g', 1.1, '1.1')
- testformat('%#g', 1.1, '1.10000')
-
- # Test exception for unknown format characters
+ # Test exception for unknown format characters, etc.
if verbose:
print('Testing exceptions')
def test_exc(formatstr, args, exception, excmsg):
@@ -247,8 +275,83 @@ class FormatTest(unittest.TestCase):
test_exc('%g', '1', TypeError, "a float is required")
test_exc('no format', '1', TypeError,
"not all arguments converted during string formatting")
- test_exc('no format', '1', TypeError,
- "not all arguments converted during string formatting")
+
+ if maxsize == 2**31-1:
+ # crashes 2.2.1 and earlier:
+ try:
+ "%*d"%(maxsize, -127)
+ except MemoryError:
+ pass
+ else:
+ raise TestFailed('"%*d"%(maxsize, -127) should fail')
+
+ def test_bytes_and_bytearray_format(self):
+ # %c will insert a single byte, either from an int in range(256), or
+ # from a bytes argument of length 1, not from a str.
+ testcommon(b"%c", 7, b"\x07")
+ testcommon(b"%c", b"Z", b"Z")
+ testcommon(b"%c", bytearray(b"Z"), b"Z")
+ # %b will insert a series of bytes, either from a type that supports
+ # the Py_buffer protocol, or something that has a __bytes__ method
+ class FakeBytes(object):
+ def __bytes__(self):
+ return b'123'
+ fb = FakeBytes()
+ testcommon(b"%b", b"abc", b"abc")
+ testcommon(b"%b", bytearray(b"def"), b"def")
+ testcommon(b"%b", fb, b"123")
+ # # %s is an alias for %b -- should only be used for Py2/3 code
+ testcommon(b"%s", b"abc", b"abc")
+ testcommon(b"%s", bytearray(b"def"), b"def")
+ testcommon(b"%s", fb, b"123")
+ # %a will give the equivalent of
+ # repr(some_obj).encode('ascii', 'backslashreplace')
+ testcommon(b"%a", 3.14, b"3.14")
+ testcommon(b"%a", b"ghi", b"b'ghi'")
+ testcommon(b"%a", "jkl", b"'jkl'")
+ testcommon(b"%a", "\u0544", b"'\\u0544'")
+
+ # Test exception for unknown format characters, etc.
+ if verbose:
+ print('Testing exceptions')
+ def test_exc(formatstr, args, exception, excmsg):
+ try:
+ testformat(formatstr, args)
+ except exception as exc:
+ if str(exc) == excmsg:
+ if verbose:
+ print("yes")
+ else:
+ if verbose: print('no')
+ print('Unexpected ', exception, ':', repr(str(exc)))
+ except:
+ if verbose: print('no')
+ print('Unexpected exception')
+ raise
+ else:
+ raise TestFailed('did not get expected exception: %s' % excmsg)
+ test_exc(b'%d', '1', TypeError,
+ "%d format: a number is required, not str")
+ test_exc(b'%d', b'1', TypeError,
+ "%d format: a number is required, not bytes")
+ test_exc(b'%g', '1', TypeError, "float argument required, not str")
+ test_exc(b'%g', b'1', TypeError, "float argument required, not bytes")
+ test_exc(b'no format', 7, TypeError,
+ "not all arguments converted during bytes formatting")
+ test_exc(b'no format', b'1', TypeError,
+ "not all arguments converted during bytes formatting")
+ test_exc(b'no format', bytearray(b'1'), TypeError,
+ "not all arguments converted during bytes formatting")
+ test_exc(b"%c", 256, TypeError,
+ "%c requires an integer in range(256) or a single byte")
+ test_exc(b"%c", b"Za", TypeError,
+ "%c requires an integer in range(256) or a single byte")
+ test_exc(b"%c", "Yb", TypeError,
+ "%c requires an integer in range(256) or a single byte")
+ test_exc(b"%b", "Xc", TypeError,
+ "%b requires bytes, or an object that implements __bytes__, not 'str'")
+ test_exc(b"%s", "Wd", TypeError,
+ "%b requires bytes, or an object that implements __bytes__, not 'str'")
if maxsize == 2**31-1:
# crashes 2.2.1 and earlier: