diff options
author | Antoine Pitrou <solipsis@pitrou.net> | 2010-05-09 15:52:27 (GMT) |
---|---|---|
committer | Antoine Pitrou <solipsis@pitrou.net> | 2010-05-09 15:52:27 (GMT) |
commit | f95a1b3c53bdd678b64aa608d4375660033460c3 (patch) | |
tree | a8bee40b1b14e28ff5978ea519f3035a3c399912 /Modules/testcapi_long.h | |
parent | bd250300191133d276a71b395b6428081bf825b8 (diff) | |
download | cpython-f95a1b3c53bdd678b64aa608d4375660033460c3.zip cpython-f95a1b3c53bdd678b64aa608d4375660033460c3.tar.gz cpython-f95a1b3c53bdd678b64aa608d4375660033460c3.tar.bz2 |
Recorded merge of revisions 81029 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk
........
r81029 | antoine.pitrou | 2010-05-09 16:46:46 +0200 (dim., 09 mai 2010) | 3 lines
Untabify C files. Will watch buildbots.
........
Diffstat (limited to 'Modules/testcapi_long.h')
-rw-r--r-- | Modules/testcapi_long.h | 348 |
1 files changed, 174 insertions, 174 deletions
diff --git a/Modules/testcapi_long.h b/Modules/testcapi_long.h index 60ca326..fa94fd6 100644 --- a/Modules/testcapi_long.h +++ b/Modules/testcapi_long.h @@ -1,182 +1,182 @@ /* Poor-man's template. Macros used: - TESTNAME name of the test (like test_long_api_inner) - TYPENAME the signed type (like long) - F_S_TO_PY convert signed to pylong; TYPENAME -> PyObject* - F_PY_TO_S convert pylong to signed; PyObject* -> TYPENAME - F_U_TO_PY convert unsigned to pylong; unsigned TYPENAME -> PyObject* + TESTNAME name of the test (like test_long_api_inner) + TYPENAME the signed type (like long) + F_S_TO_PY convert signed to pylong; TYPENAME -> PyObject* + F_PY_TO_S convert pylong to signed; PyObject* -> TYPENAME + F_U_TO_PY convert unsigned to pylong; unsigned TYPENAME -> PyObject* F_PY_TO_U convert pylong to unsigned; PyObject* -> unsigned TYPENAME */ static PyObject * TESTNAME(PyObject *error(const char*)) { - const int NBITS = sizeof(TYPENAME) * 8; - unsigned TYPENAME base; - PyObject *pyresult; - int i; - - /* Note: This test lets PyObjects leak if an error is raised. Since - an error should never be raised, leaks are impossible <wink>. */ - - /* Test native -> PyLong -> native roundtrip identity. - * Generate all powers of 2, and test them and their negations, - * plus the numbers +-1 off from them. - */ - base = 1; - for (i = 0; - i < NBITS + 1; /* on last, base overflows to 0 */ - ++i, base <<= 1) - { - int j; - for (j = 0; j < 6; ++j) { - TYPENAME in, out; - unsigned TYPENAME uin, uout; - - /* For 0, 1, 2 use base; for 3, 4, 5 use -base */ - uin = j < 3 ? base - : (unsigned TYPENAME)(-(TYPENAME)base); - - /* For 0 & 3, subtract 1. - * For 1 & 4, leave alone. - * For 2 & 5, add 1. - */ - uin += (unsigned TYPENAME)(TYPENAME)(j % 3 - 1); - - pyresult = F_U_TO_PY(uin); - if (pyresult == NULL) - return error( - "unsigned unexpected null result"); - - uout = F_PY_TO_U(pyresult); - if (uout == (unsigned TYPENAME)-1 && PyErr_Occurred()) - return error( - "unsigned unexpected -1 result"); - if (uout != uin) - return error( - "unsigned output != input"); - UNBIND(pyresult); - - in = (TYPENAME)uin; - pyresult = F_S_TO_PY(in); - if (pyresult == NULL) - return error( - "signed unexpected null result"); - - out = F_PY_TO_S(pyresult); - if (out == (TYPENAME)-1 && PyErr_Occurred()) - return error( - "signed unexpected -1 result"); - if (out != in) - return error( - "signed output != input"); - UNBIND(pyresult); - } - } - - /* Overflow tests. The loop above ensured that all limit cases that - * should not overflow don't overflow, so all we need to do here is - * provoke one-over-the-limit cases (not exhaustive, but sharp). - */ - { - PyObject *one, *x, *y; - TYPENAME out; - unsigned TYPENAME uout; - - one = PyLong_FromLong(1); - if (one == NULL) - return error( - "unexpected NULL from PyLong_FromLong"); - - /* Unsigned complains about -1? */ - x = PyNumber_Negative(one); - if (x == NULL) - return error( - "unexpected NULL from PyNumber_Negative"); - - uout = F_PY_TO_U(x); - if (uout != (unsigned TYPENAME)-1 || !PyErr_Occurred()) - return error( - "PyLong_AsUnsignedXXX(-1) didn't complain"); - if (!PyErr_ExceptionMatches(PyExc_OverflowError)) - return error( - "PyLong_AsUnsignedXXX(-1) raised " - "something other than OverflowError"); - PyErr_Clear(); - UNBIND(x); - - /* Unsigned complains about 2**NBITS? */ - y = PyLong_FromLong((long)NBITS); - if (y == NULL) - return error( - "unexpected NULL from PyLong_FromLong"); - - x = PyNumber_Lshift(one, y); /* 1L << NBITS, == 2**NBITS */ - UNBIND(y); - if (x == NULL) - return error( - "unexpected NULL from PyNumber_Lshift"); - - uout = F_PY_TO_U(x); - if (uout != (unsigned TYPENAME)-1 || !PyErr_Occurred()) - return error( - "PyLong_AsUnsignedXXX(2**NBITS) didn't " - "complain"); - if (!PyErr_ExceptionMatches(PyExc_OverflowError)) - return error( - "PyLong_AsUnsignedXXX(2**NBITS) raised " - "something other than OverflowError"); - PyErr_Clear(); - - /* Signed complains about 2**(NBITS-1)? - x still has 2**NBITS. */ - y = PyNumber_Rshift(x, one); /* 2**(NBITS-1) */ - UNBIND(x); - if (y == NULL) - return error( - "unexpected NULL from PyNumber_Rshift"); - - out = F_PY_TO_S(y); - if (out != (TYPENAME)-1 || !PyErr_Occurred()) - return error( - "PyLong_AsXXX(2**(NBITS-1)) didn't " - "complain"); - if (!PyErr_ExceptionMatches(PyExc_OverflowError)) - return error( - "PyLong_AsXXX(2**(NBITS-1)) raised " - "something other than OverflowError"); - PyErr_Clear(); - - /* Signed complains about -2**(NBITS-1)-1?; - y still has 2**(NBITS-1). */ - x = PyNumber_Negative(y); /* -(2**(NBITS-1)) */ - UNBIND(y); - if (x == NULL) - return error( - "unexpected NULL from PyNumber_Negative"); - - y = PyNumber_Subtract(x, one); /* -(2**(NBITS-1))-1 */ - UNBIND(x); - if (y == NULL) - return error( - "unexpected NULL from PyNumber_Subtract"); - - out = F_PY_TO_S(y); - if (out != (TYPENAME)-1 || !PyErr_Occurred()) - return error( - "PyLong_AsXXX(-2**(NBITS-1)-1) didn't " - "complain"); - if (!PyErr_ExceptionMatches(PyExc_OverflowError)) - return error( - "PyLong_AsXXX(-2**(NBITS-1)-1) raised " - "something other than OverflowError"); - PyErr_Clear(); - UNBIND(y); - - Py_XDECREF(x); - Py_XDECREF(y); - Py_DECREF(one); - } - - Py_INCREF(Py_None); - return Py_None; + const int NBITS = sizeof(TYPENAME) * 8; + unsigned TYPENAME base; + PyObject *pyresult; + int i; + + /* Note: This test lets PyObjects leak if an error is raised. Since + an error should never be raised, leaks are impossible <wink>. */ + + /* Test native -> PyLong -> native roundtrip identity. + * Generate all powers of 2, and test them and their negations, + * plus the numbers +-1 off from them. + */ + base = 1; + for (i = 0; + i < NBITS + 1; /* on last, base overflows to 0 */ + ++i, base <<= 1) + { + int j; + for (j = 0; j < 6; ++j) { + TYPENAME in, out; + unsigned TYPENAME uin, uout; + + /* For 0, 1, 2 use base; for 3, 4, 5 use -base */ + uin = j < 3 ? base + : (unsigned TYPENAME)(-(TYPENAME)base); + + /* For 0 & 3, subtract 1. + * For 1 & 4, leave alone. + * For 2 & 5, add 1. + */ + uin += (unsigned TYPENAME)(TYPENAME)(j % 3 - 1); + + pyresult = F_U_TO_PY(uin); + if (pyresult == NULL) + return error( + "unsigned unexpected null result"); + + uout = F_PY_TO_U(pyresult); + if (uout == (unsigned TYPENAME)-1 && PyErr_Occurred()) + return error( + "unsigned unexpected -1 result"); + if (uout != uin) + return error( + "unsigned output != input"); + UNBIND(pyresult); + + in = (TYPENAME)uin; + pyresult = F_S_TO_PY(in); + if (pyresult == NULL) + return error( + "signed unexpected null result"); + + out = F_PY_TO_S(pyresult); + if (out == (TYPENAME)-1 && PyErr_Occurred()) + return error( + "signed unexpected -1 result"); + if (out != in) + return error( + "signed output != input"); + UNBIND(pyresult); + } + } + + /* Overflow tests. The loop above ensured that all limit cases that + * should not overflow don't overflow, so all we need to do here is + * provoke one-over-the-limit cases (not exhaustive, but sharp). + */ + { + PyObject *one, *x, *y; + TYPENAME out; + unsigned TYPENAME uout; + + one = PyLong_FromLong(1); + if (one == NULL) + return error( + "unexpected NULL from PyLong_FromLong"); + + /* Unsigned complains about -1? */ + x = PyNumber_Negative(one); + if (x == NULL) + return error( + "unexpected NULL from PyNumber_Negative"); + + uout = F_PY_TO_U(x); + if (uout != (unsigned TYPENAME)-1 || !PyErr_Occurred()) + return error( + "PyLong_AsUnsignedXXX(-1) didn't complain"); + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return error( + "PyLong_AsUnsignedXXX(-1) raised " + "something other than OverflowError"); + PyErr_Clear(); + UNBIND(x); + + /* Unsigned complains about 2**NBITS? */ + y = PyLong_FromLong((long)NBITS); + if (y == NULL) + return error( + "unexpected NULL from PyLong_FromLong"); + + x = PyNumber_Lshift(one, y); /* 1L << NBITS, == 2**NBITS */ + UNBIND(y); + if (x == NULL) + return error( + "unexpected NULL from PyNumber_Lshift"); + + uout = F_PY_TO_U(x); + if (uout != (unsigned TYPENAME)-1 || !PyErr_Occurred()) + return error( + "PyLong_AsUnsignedXXX(2**NBITS) didn't " + "complain"); + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return error( + "PyLong_AsUnsignedXXX(2**NBITS) raised " + "something other than OverflowError"); + PyErr_Clear(); + + /* Signed complains about 2**(NBITS-1)? + x still has 2**NBITS. */ + y = PyNumber_Rshift(x, one); /* 2**(NBITS-1) */ + UNBIND(x); + if (y == NULL) + return error( + "unexpected NULL from PyNumber_Rshift"); + + out = F_PY_TO_S(y); + if (out != (TYPENAME)-1 || !PyErr_Occurred()) + return error( + "PyLong_AsXXX(2**(NBITS-1)) didn't " + "complain"); + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return error( + "PyLong_AsXXX(2**(NBITS-1)) raised " + "something other than OverflowError"); + PyErr_Clear(); + + /* Signed complains about -2**(NBITS-1)-1?; + y still has 2**(NBITS-1). */ + x = PyNumber_Negative(y); /* -(2**(NBITS-1)) */ + UNBIND(y); + if (x == NULL) + return error( + "unexpected NULL from PyNumber_Negative"); + + y = PyNumber_Subtract(x, one); /* -(2**(NBITS-1))-1 */ + UNBIND(x); + if (y == NULL) + return error( + "unexpected NULL from PyNumber_Subtract"); + + out = F_PY_TO_S(y); + if (out != (TYPENAME)-1 || !PyErr_Occurred()) + return error( + "PyLong_AsXXX(-2**(NBITS-1)-1) didn't " + "complain"); + if (!PyErr_ExceptionMatches(PyExc_OverflowError)) + return error( + "PyLong_AsXXX(-2**(NBITS-1)-1) raised " + "something other than OverflowError"); + PyErr_Clear(); + UNBIND(y); + + Py_XDECREF(x); + Py_XDECREF(y); + Py_DECREF(one); + } + + Py_INCREF(Py_None); + return Py_None; } |