Author: Carl Friedrich Bolz-Tereick <cfb...@gmx.de>
Branch:
Changeset: r93746:ec3f718627ff
Date: 2018-02-03 22:43 +0100
http://bitbucket.org/pypy/pypy/changeset/ec3f718627ff/
Log: move from/tobytes tests to correct class
diff --git a/rpython/rlib/test/test_rbigint.py
b/rpython/rlib/test/test_rbigint.py
--- a/rpython/rlib/test/test_rbigint.py
+++ b/rpython/rlib/test/test_rbigint.py
@@ -686,6 +686,47 @@
assert rbigint.fromlong(2).log(2.0) == 1.0
assert rbigint.fromlong(2**1023).log(2.0) == 1023.0
+ def test_frombytes(self):
+ bigint = rbigint.frombytes('', byteorder='big', signed=True)
+ assert bigint.tolong() == 0
+ s = "\xFF\x12\x34\x56"
+ bigint = rbigint.frombytes(s, byteorder="big", signed=False)
+ assert bigint.tolong() == 0xFF123456
+ bigint = rbigint.frombytes(s, byteorder="little", signed=False)
+ assert bigint.tolong() == 0x563412FF
+ s = "\xFF\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\xFF"
+ bigint = rbigint.frombytes(s, byteorder="big", signed=False)
+ assert s == bigint.tobytes(16, byteorder="big", signed=False)
+ py.test.raises(InvalidEndiannessError, bigint.frombytes, '\xFF', 'foo',
+ signed=True)
+ bigint = rbigint.frombytes('\x82', byteorder='big', signed=True)
+ assert bigint.tolong() == -126
+
+ def test_tobytes(self):
+ assert rbigint.fromint(0).tobytes(1, 'big', signed=True) == '\x00'
+ assert rbigint.fromint(1).tobytes(2, 'big', signed=True) == '\x00\x01'
+ py.test.raises(OverflowError, rbigint.fromint(255).tobytes, 1, 'big',
signed=True)
+ assert rbigint.fromint(-129).tobytes(2, 'big', signed=True) ==
'\xff\x7f'
+ assert rbigint.fromint(-129).tobytes(2, 'little', signed=True) ==
'\x7f\xff'
+ assert rbigint.fromint(65535).tobytes(3, 'big', signed=True) ==
'\x00\xff\xff'
+ assert rbigint.fromint(-65536).tobytes(3, 'little', signed=True) ==
'\x00\x00\xff'
+ assert rbigint.fromint(65535).tobytes(2, 'big', signed=False) ==
'\xff\xff'
+ assert rbigint.fromint(-8388608).tobytes(3, 'little', signed=True) ==
'\x00\x00\x80'
+ i = rbigint.fromint(-8388608)
+ py.test.raises(InvalidEndiannessError, i.tobytes, 3, 'foo',
signed=True)
+ py.test.raises(InvalidSignednessError, i.tobytes, 3, 'little',
signed=False)
+ py.test.raises(OverflowError, i.tobytes, 2, 'little', signed=True)
+
+ @given(strategies.binary(), strategies.booleans(), strategies.booleans())
+ def test_frombytes_tobytes_hypothesis(self, s, big, signed):
+ # check the roundtrip from binary strings to bigints and back
+ byteorder = 'big' if big else 'little'
+ bigint = rbigint.frombytes(s, byteorder=byteorder, signed=signed)
+ t = bigint.tobytes(len(s), byteorder=byteorder, signed=signed)
+ assert s == t
+
+
+
class TestInternalFunctions(object):
def test__inplace_divrem1(self):
# signs are not handled in the helpers!
@@ -950,45 +991,6 @@
res = interpret(fn, [])
assert res == -42.0
- def test_frombytes(self):
- bigint = rbigint.frombytes('', byteorder='big', signed=True)
- assert bigint.tolong() == 0
- s = "\xFF\x12\x34\x56"
- bigint = rbigint.frombytes(s, byteorder="big", signed=False)
- assert bigint.tolong() == 0xFF123456
- bigint = rbigint.frombytes(s, byteorder="little", signed=False)
- assert bigint.tolong() == 0x563412FF
- s = "\xFF\x02\x03\x04\x05\x06\x07\x08\x09\x10\x11\x12\x13\x14\x15\xFF"
- bigint = rbigint.frombytes(s, byteorder="big", signed=False)
- assert s == bigint.tobytes(16, byteorder="big", signed=False)
- py.test.raises(InvalidEndiannessError, bigint.frombytes, '\xFF', 'foo',
- signed=True)
- bigint = rbigint.frombytes('\x82', byteorder='big', signed=True)
- assert bigint.tolong() == -126
-
- def test_tobytes(self):
- assert rbigint.fromint(0).tobytes(1, 'big', signed=True) == '\x00'
- assert rbigint.fromint(1).tobytes(2, 'big', signed=True) == '\x00\x01'
- py.test.raises(OverflowError, rbigint.fromint(255).tobytes, 1, 'big',
signed=True)
- assert rbigint.fromint(-129).tobytes(2, 'big', signed=True) ==
'\xff\x7f'
- assert rbigint.fromint(-129).tobytes(2, 'little', signed=True) ==
'\x7f\xff'
- assert rbigint.fromint(65535).tobytes(3, 'big', signed=True) ==
'\x00\xff\xff'
- assert rbigint.fromint(-65536).tobytes(3, 'little', signed=True) ==
'\x00\x00\xff'
- assert rbigint.fromint(65535).tobytes(2, 'big', signed=False) ==
'\xff\xff'
- assert rbigint.fromint(-8388608).tobytes(3, 'little', signed=True) ==
'\x00\x00\x80'
- i = rbigint.fromint(-8388608)
- py.test.raises(InvalidEndiannessError, i.tobytes, 3, 'foo',
signed=True)
- py.test.raises(InvalidSignednessError, i.tobytes, 3, 'little',
signed=False)
- py.test.raises(OverflowError, i.tobytes, 2, 'little', signed=True)
-
- @given(strategies.binary(), strategies.booleans(), strategies.booleans())
- def test_frombytes_tobytes_hypothesis(self, s, big, signed):
- # check the roundtrip from binary strings to bigints and back
- byteorder = 'big' if big else 'little'
- bigint = rbigint.frombytes(s, byteorder=byteorder, signed=signed)
- t = bigint.tobytes(len(s), byteorder=byteorder, signed=signed)
- assert s == t
-
class TestTranslated(StandaloneTests):
_______________________________________________
pypy-commit mailing list
pypy-commit@python.org
https://mail.python.org/mailman/listinfo/pypy-commit
