diff options
Diffstat (limited to 'Lib/test/test_decimal.py')
-rw-r--r-- | Lib/test/test_decimal.py | 76 |
1 files changed, 35 insertions, 41 deletions
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py index dad63ae..e9fbad4 100644 --- a/Lib/test/test_decimal.py +++ b/Lib/test/test_decimal.py @@ -71,10 +71,41 @@ skip_expected = not os.path.isdir(directory) # list of individual .decTest test ids that correspond to tests that # we're skipping for one reason or another. -skipped_test_ids = [ - 'scbx164', # skipping apparently implementation-specific scaleb - 'scbx165', # tests, pending clarification of scaleb rules. -] +skipped_test_ids = set([ + # Skip implementation-specific scaleb tests. + 'scbx164', + 'scbx165', + + # For some operations (currently exp, ln, log10, power), the decNumber + # reference implementation imposes additional restrictions on the context + # and operands. These restrictions are not part of the specification; + # however, the effect of these restrictions does show up in some of the + # testcases. We skip testcases that violate these restrictions, since + # Decimal behaves differently from decNumber for these testcases so these + # testcases would otherwise fail. + 'expx901', + 'expx902', + 'expx903', + 'expx905', + 'lnx901', + 'lnx902', + 'lnx903', + 'lnx905', + 'logx901', + 'logx902', + 'logx903', + 'logx905', + 'powx1183', + 'powx1184', + 'powx4001', + 'powx4002', + 'powx4003', + 'powx4005', + 'powx4008', + 'powx4010', + 'powx4012', + 'powx4014', + ]) # Make sure it actually raises errors when not expected and caught in flags # Slower, since it runs some things several times. @@ -165,27 +196,6 @@ LOGICAL_FUNCTIONS = ( 'same_quantum', ) -# For some operations (currently exp, ln, log10, power), the decNumber -# reference implementation imposes additional restrictions on the -# context and operands. These restrictions are not part of the -# specification; however, the effect of these restrictions does show -# up in some of the testcases. We skip testcases that violate these -# restrictions, since Decimal behaves differently from decNumber for -# these testcases so these testcases would otherwise fail. - -decNumberRestricted = ('power', 'ln', 'log10', 'exp') -DEC_MAX_MATH = 999999 -def outside_decNumber_bounds(v, context): - if (context.prec > DEC_MAX_MATH or - context.Emax > DEC_MAX_MATH or - -context.Emin > DEC_MAX_MATH): - return True - if not v._is_special and v and ( - v.adjusted() > DEC_MAX_MATH or - v.adjusted() < 1-2*DEC_MAX_MATH): - return True - return False - class DecimalTest(unittest.TestCase): """Class which tests the Decimal class against the test cases. @@ -323,22 +333,6 @@ class DecimalTest(unittest.TestCase): ans = FixQuotes(ans) - # skip tests that are related to bounds imposed in the decNumber - # reference implementation - if fname in decNumberRestricted: - if fname == 'power': - if not (vals[1]._isinteger() and - -1999999997 <= vals[1] <= 999999999): - if outside_decNumber_bounds(vals[0], self.context) or \ - outside_decNumber_bounds(vals[1], self.context): - #print "Skipping test %s" % s - return - else: - if outside_decNumber_bounds(vals[0], self.context): - #print "Skipping test %s" % s - return - - if EXTENDEDERRORTEST and fname not in ('to_sci_string', 'to_eng_string'): for error in theirexceptions: self.context.traps[error] = 1 |