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* os.py: _exit doesn't exist in all variations of posix 

* Added fcmp() to test_support.py and use it in test*.py
This commit is contained in:
Guido van Rossum 1993-01-26 13:04:43 +00:00
parent 93f0740073
commit 35fb82a33f
4 changed files with 45 additions and 19 deletions
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5
Lib/os.py
View File

@ -18,7 +18,10 @@
try:
from posix import *
from posix import _exit
try:
from posix import _exit
except ImportError:
pass
name = 'posix'
curdir = '.'
pardir = '..'

16
Lib/test/test_b1.py
View File

@ -42,9 +42,9 @@ if cmp(1, -1) <> 1: raise TestFailed, 'cmp(1, -1)'
if cmp(1, 1) <> 0: raise TestFailed, 'cmp(1, 1)'
print 'coerce'
if coerce(1, 1.1) <> (1.0, 1.1): raise TestFailed, 'coerce(1, 1.1)'
if fcmp(coerce(1, 1.1), (1.0, 1.1)): raise TestFailed, 'coerce(1, 1.1)'
if coerce(1, 1L) <> (1L, 1L): raise TestFailed, 'coerce(1, 1L)'
if coerce(1L, 1.1) <> (1.0, 1.1): raise TestFailed, 'coerce(1L, 1.1)'
if fcmp(coerce(1L, 1.1), (1.0, 1.1)): raise TestFailed, 'coerce(1L, 1.1)'
print 'dir'
x = 1
@ -68,10 +68,14 @@ if divmod(-12, 7L) <> (-2, 2L): raise TestFailed, 'divmod(-12, 7L)'
if divmod(12L, -7) <> (-2L, -2): raise TestFailed, 'divmod(12L, -7)'
if divmod(-12L, -7) <> (1L, -5): raise TestFailed, 'divmod(-12L, -7)'
#
if divmod(3.25, 1.0) <> (3.0, 0.25): raise TestFailed, 'divmod(3.25, 1.0)'
if divmod(-3.25, 1.0) <> (-4.0, 0.75): raise TestFailed, 'divmod(-3.25, 1.0)'
if divmod(3.25, -1.0) <> (-4.0, -0.75): raise TestFailed, 'divmod(3.25, -1.0)'
if divmod(-3.25, -1.0) <> (3.0, -0.25): raise TestFailed, 'divmod(-3.25, -1.0)'
if fcmp(divmod(3.25, 1.0), (3.0, 0.25)):
raise TestFailed, 'divmod(3.25, 1.0)'
if fcmp(divmod(-3.25, 1.0), (-4.0, 0.75)):
raise TestFailed, 'divmod(-3.25, 1.0)'
if fcmp(divmod(3.25, -1.0), (-4.0, -0.75)):
raise TestFailed, 'divmod(3.25, -1.0)'
if fcmp(divmod(-3.25, -1.0), (3.0, -0.25)):
raise TestFailed, 'divmod(-3.25, -1.0)'
print 'eval'
if eval('1+1') <> 2: raise TestFailed, 'eval(\'1+1\')'

24
Lib/test/test_b2.py
View File

@ -71,21 +71,21 @@ if pow(-2L,1) <> -2: raise TestFailed, 'pow(-2L,1)'
if pow(-2L,2) <> 4: raise TestFailed, 'pow(-2L,2)'
if pow(-2L,3) <> -8: raise TestFailed, 'pow(-2L,3)'
#
if pow(0.,0) <> 1.: raise TestFailed, 'pow(0.,0)'
if pow(0.,1) <> 0.: raise TestFailed, 'pow(0.,1)'
if pow(1.,0) <> 1.: raise TestFailed, 'pow(1.,0)'
if pow(1.,1) <> 1.: raise TestFailed, 'pow(1.,1)'
if fcmp(pow(0.,0), 1.): raise TestFailed, 'pow(0.,0)'
if fcmp(pow(0.,1), 0.): raise TestFailed, 'pow(0.,1)'
if fcmp(pow(1.,0), 1.): raise TestFailed, 'pow(1.,0)'
if fcmp(pow(1.,1), 1.): raise TestFailed, 'pow(1.,1)'
#
if pow(2.,0) <> 1.: raise TestFailed, 'pow(2.,0)'
if pow(2.,10) <> 1024.: raise TestFailed, 'pow(2.,10)'
if pow(2.,20) <> 1024.*1024.: raise TestFailed, 'pow(2.,20)'
if pow(2.,30) <> 1024.*1024.*1024.: raise TestFailed, 'pow(2.,30)'
if fcmp(pow(2.,0), 1.): raise TestFailed, 'pow(2.,0)'
if fcmp(pow(2.,10), 1024.): raise TestFailed, 'pow(2.,10)'
if fcmp(pow(2.,20), 1024.*1024.): raise TestFailed, 'pow(2.,20)'
if fcmp(pow(2.,30), 1024.*1024.*1024.): raise TestFailed, 'pow(2.,30)'
#
# XXX These don't work -- negative float to the float power...
#if pow(-2.,0) <> 1.: raise TestFailed, 'pow(-2.,0)'
#if pow(-2.,1) <> -2.: raise TestFailed, 'pow(-2.,1)'
#if pow(-2.,2) <> 4.: raise TestFailed, 'pow(-2.,2)'
#if pow(-2.,3) <> -8.: raise TestFailed, 'pow(-2.,3)'
#if fcmp(pow(-2.,0), 1.): raise TestFailed, 'pow(-2.,0)'
#if fcmp(pow(-2.,1), -2.): raise TestFailed, 'pow(-2.,1)'
#if fcmp(pow(-2.,2), 4.): raise TestFailed, 'pow(-2.,2)'
#if fcmp(pow(-2.,3), -8.): raise TestFailed, 'pow(-2.,3)'
print 'range'
if range(3) <> [0, 1, 2]: raise TestFailed, 'range(3)'

19
Lib/test/test_support.py
View File

@ -18,5 +18,24 @@ def forget(modname):
except os.error:
pass
FUZZ = 1e-6
def fcmp(x, y): # fuzzy comparison function
if type(x) == type(0.0) or type(y) == type(0.0):
try:
x, y = coerce(x, y)
fuzz = (abs(x) + abs(y)) * FUZZ
if abs(x-y) <= fuzz:
return 0
except:
pass
elif type(x) == type(y) and type(x) in (type(()), type([])):
for i in range(min(len(x), len(y))):
outcome = fcmp(x[i], y[i])
if outcome <> 0:
return outcome
return cmp(len(x), len(y))
return cmp(x, y)
TESTFN = '@test' # Filename used for testing
from os import unlink