__init__.py

Go to the documentation of this file.

from __future__ import with_statement

import sys
import os.path
import unittest
import GPyUnit.util
from GPyUnit.util import DispatchEx

def _adjacent_file(file):
    import os.path
    return os.path.join(os.path.dirname(os.path.abspath(__file__)), file)

class TestFloatingPoint(unittest.TestCase):
    @GPyUnit.util.dec_disable_early_binding
    def testXME(self):
        from GPyUnit import util
        util.register_xmp(_adjacent_file('GME391FloatingPointTest.xmp'))
        self.project = DispatchEx('Mga.MgaProject')
        self.project.Create(self.connstr, 'GME391FloatingPointTest')
        self.territory = self.project.BeginTransactionInNewTerr()

        KindModel = self.project.RootMeta.RootFolder.GetDefinedFCOByNameDisp('KindModel', True)
        def create(name, val):
            m = self.project.RootFolder.CreateRootObject(KindModel)
            m.Name = name
            m.SetAttributeByNameDisp('d', val)
            
        models = [
        ('mninf', -float('inf')),
        ('m.0001', 0.0001),
        ('m.001', 0.001),
        ('m.01', 0.01),
        ('m.1', 0.1),
        ('m1', 1),
        ('m1.0001', 1.0001),
        ('m1.1', 1.1),
        ('m10', 10),
        ('m111', 111),
        ('m100', 100),
        ('minf', float('inf')),
        ('mnan', float('NaN')),
        ('GME_391', 1.82736408912),
        ('GME_3912', 182736408.912),
        ('GME_3913', 18273.6408912),
        ('GME_3914', 1.82736408912e21),
        ('GME_3915', 1.82736408912e14),
        ('Javabug', 2.2250738585072012e-308), # http://www.oracle.com/technetwork/topics/security/alert-cve-2010-4476-305811.html
        ('PHPbug', 2.2250738585072011e-308), # https://bugs.php.net/bug.php?id=53632
        ('sqlite1', 9.87e+31), # http://www.exploringbinary.com/fifteen-digits-dont-round-trip-through-sqlite-reals/
        ('sqlite2', 9.944932e+31),
        ('sqlite3', 8.948471e+15),
        ('sqlite4', 1.23456789012345e+300),
        ('sqlite5', 1.23456e-300),
        ('sqlite6', 0.000001),
        ]
        tcl_suite = (
# From http://bugs.python.org/issue1580
# These numbers are used to test floating point binary-to-decimal conversion.
# They are based on the TCL test suite (tests/expr.test), which is based on
# test data from:
# Brigitte Verdonk, Annie Cuyt, Dennis Verschaeren, A precision and range
# independent tool for testing floating-point arithmetic II: Conversions,
# ACM Transactions on Mathematical Software 27:2 (March 2001), pp. 119-140.

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        models.extend(map(lambda x: (str(x[0]), x[1]), enumerate(tcl_suite)))
        for (name, value) in models:
            create(name, value)
        self.project.CommitTransaction()

        self.project.Save(self.connstr)
        self.territory.Destroy()
        self.project.Close()

        self.project = DispatchEx('Mga.MgaProject')
        self.project.Open(self.connstr)
        xme = _adjacent_file('testXME.xme')
        dumper = DispatchEx("Mga.MgaDumper")
        dumper.DumpProject(self.project, xme)
        self.project.Close()
 
        self.setUp()
        self.project = GPyUnit.util.parse_xme(self.connstr, xme=xme)
#KMS: kludge to test Udm
#udmcopy parsertest.mga parsertest.xml GME391FloatingPointTest.xml && udmcopy parsertest.xml parsertest2.xml GME391FloatingPointTest.xml && udmcopy parsertest2.xml udmparsertest.mga GME391FloatingPointTest.xml
        #self.project = DispatchEx('Mga.MgaProject')
        #self.project.Open('MGA=' + 'udmparsertest.mga')
        self.territory = self.project.BeginTransactionInNewTerr()
        for (name, value) in models:
            stored = self.project.ObjectByPath(name).GetAttributeByNameDisp('d')
            if value != value:
                self.assertNotEqual(stored, stored)
            else:
                self.assertEqual(stored, value)
        self.project.CommitTransaction()
        self.project.Save()
        self.project.Close()
        
    
    @property
    def connstr(self):
        return "MGA=" + _adjacent_file("parsertest.mga")

GPyUnit.util.MUGenerator(globals(), TestFloatingPoint)

if __name__ == "__main__":
    import sys
    runner = unittest.TextTestRunner()
    runner.run(unittest.defaultTestLoader.loadTestsFromNames(('__main__',)))
    # loadTestsFromModule(globals())
    #runner.run(TestFloatingPoint("testXME"))
    #runner.run(TestFloatingPointMU("testXME"))

---