test_sys.py 文件源码

def test_pythontypes(self):
        # check all types defined in Python/
        size = test.test_support.calcobjsize
        vsize = test.test_support.calcvobjsize
        check = self.check_sizeof
        # _ast.AST
        import _ast
        check(_ast.AST(), size(''))
        # imp.NullImporter
        import imp
        f = open(test.test_support.TESTFN, 'wb')
        try:
            check(imp.NullImporter(f.name), size(''))
        finally:
            f.close()
            test.test_support.unlink(test.test_support.TESTFN)
        try:
            raise TypeError
        except TypeError:
            tb = sys.exc_info()[2]
            # traceback
            if tb != None:
                check(tb, size('2P2i'))
        # symtable entry
        # XXX
        # sys.flags
        check(sys.flags, vsize('') + self.P * len(sys.flags))