Author: Faye Zhao <[email protected]>
Branch:
Changeset: r80659:1294e75456b2
Date: 2015-11-13 00:18 +0000
http://bitbucket.org/pypy/pypy/changeset/1294e75456b2/
Log: test_pystrtod.py edited online with Bitbucket
diff --git a/pypy/module/cpyext/test/test_pystrtod.py
b/pypy/module/cpyext/test/test_pystrtod.py
--- a/pypy/module/cpyext/test/test_pystrtod.py
+++ b/pypy/module/cpyext/test/test_pystrtod.py
@@ -1,5 +1,6 @@
import math
+from pypy.module.cpyext import pystrtod
from pypy.module.cpyext.test.test_api import BaseApiTest
from rpython.rtyper.lltypesystem import rffi
from rpython.rtyper.lltypesystem import lltype
@@ -91,3 +92,76 @@
api.PyErr_Clear()
rffi.free_charp(s)
lltype.free(endp, flavor='raw')
+
+
+class TestPyOS_double_to_string(BaseApiTest):
+
+ def test_format_code(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(150.0, 'e', 1, 0, ptype)
+ assert '1.5e+02' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_FINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_precision(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(3.14159269397, 'g', 5, 0, ptype)
+ assert '3.1416' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_FINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_flags_sign(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(-3.14, 'g', 3, 1, ptype)
+ assert '-3.14' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_FINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_flags_add_dot_0(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(3, 'g', 5, 2, ptype)
+ assert '3.0' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_FINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_flags_alt(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(314., 'g', 3, 4, ptype)
+ assert '314.' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_FINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_ptype_nan(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(float('nan'), 'g', 3, 4, ptype)
+ assert 'nan' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_NAN == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_ptype_infinity(self, api):
+ ptype = lltype.malloc(rffi.INTP.TO, 1, flavor='raw')
+ r = api.PyOS_double_to_string(1e200 * 1e200, 'g', 0, 0, ptype)
+ assert 'inf' == rffi.charp2str(r)
+ type_value = rffi.cast(lltype.Signed, ptype[0])
+ assert pystrtod.Py_DTST_INFINITE == type_value
+ rffi.free_charp(r)
+ lltype.free(ptype, flavor='raw')
+
+ def test_ptype_null(self, api):
+ ptype = lltype.nullptr(rffi.INTP.TO)
+ r = api.PyOS_double_to_string(3.14, 'g', 3, 0, ptype)
+ assert '3.14' == rffi.charp2str(r)
+ assert ptype == lltype.nullptr(rffi.INTP.TO)
+ rffi.free_charp(r)
\ No newline at end of file
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