Esempio n. 1
0
    def testSignedForm(self, f, expTypeT, expSfsT):
        self.case += 1
        self.tested += 1
        print("CASE %d: %s" % (self.case, f.toString()))
        sfsT = frozenset()
        sfsF = frozenset()
        try:
            start = now()
            typeT = f.getType(True)
            typeF = f.getType(False)
            sfsT = frozenset(
                [signedFormToString(sf) for sf in f.signedSubf(True)])
            sfsF = frozenset(
                [signedFormToString(sf) for sf in f.signedSubf(False)])
            duration = now() - start
        except KeyboardInterrupt:
            raise KeyboardInterrupt()
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        expSfsF = frozenset(
            [signedFormToString((not s, f)) for s, f in expSfsT])
        expSfsT = frozenset([signedFormToString(sf) for sf in expSfsT])
        sameT = expSfsT == sfsT
        sameF = expSfsF == sfsF
        okTypeT = len(expSfsT) <= 1 or expTypeT == typeT
        okTypeF = len(expSfsF) <= 1 or (ALPHA
                                        if expTypeT == BETA else BETA) == typeF

        self.time += duration

        if sameT and sameF and okTypeT and okTypeF:
            self.passed += 1
            print('PASSED:  time: %12.9f' % (duration, ))
        else:
            print('FAILED:')
            fstrT = signedFormToString((True, f))
            fstrF = signedFormToString((False, f))
            if not okTypeT:
                print('Unexpected type of %s: %s\n' %
                      (fstrT, self.typeToString(typeT)))
            if not okTypeF:
                print('Unexpected type of %s: %s\n' %
                      (fstrF, self.typeToString(typeF)))
            if not sameT:
                print('Unexpected subformulas of %s:\n%s\n' %
                      (fstrT, '\n'.join(sfsT)))
            if not sameF:
                print('Unexpected subformulas of %s:\n%s\n' %
                      (fstrF, '\n'.join(sfsF)))
            if stopOnError:
                raise FailedTestException()
        print('')
Esempio n. 2
0
    def testSignedForm(self, f, expTypeT, expSfsT):
        self.case += 1
        self.tested += 1
        print("CASE %d: %s" % (self.case, f.toString()))
        sfsT = frozenset()
        sfsF = frozenset()
        try:
            start = now()
            typeT = f.getType(True)
            typeF = f.getType(False)
            sfsT = frozenset([signedFormToString(sf) for sf in f.signedSubf(True)])
            sfsF = frozenset([signedFormToString(sf) for sf in f.signedSubf(False)])
            duration = now() - start
        except KeyboardInterrupt:
            raise KeyboardInterrupt()
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        expSfsF = frozenset([ signedFormToString((not s, f))
                              for s, f in expSfsT ])
        expSfsT = frozenset([ signedFormToString(sf) for sf in expSfsT ])
        sameT = expSfsT == sfsT
        sameF = expSfsF == sfsF
        okTypeT = len(expSfsT) <= 1 or expTypeT == typeT
        okTypeF = len(expSfsF) <= 1 or (ALPHA if expTypeT == BETA else BETA) == typeF

        self.time += duration

        if sameT and sameF and okTypeT and okTypeF:
            self.passed += 1
            print('PASSED:  time: %12.9f' % (duration,))
        else:
            print('FAILED:')
            fstrT = signedFormToString((True, f))
            fstrF = signedFormToString((False, f))
            if not okTypeT:
                print( 'Unexpected type of %r: %s\n' %
                        (fstrT, self.typeToString(typeT)) )
            if not okTypeF:
                print( 'Unexpected type of %r: %s\n' %
                        (fstrF, self.typeToString(typeF)) )
            if not sameT:
                print( 'Wrong subformulas of %r:\n%s\n' %
                        (fstrT, '\n'.join(sfsT)) )
            if not sameF:
                print( 'Wrong subformulas of %r:\n%s\n' %
                        (fstrF, '\n'.join(sfsF)) )
            if stopOnError:
                raise FailedTestException()
        print('')
Esempio n. 3
0
    def testTableau(self, expect_closed, sfs):
        self.case += 1
        self.tested += 1
        strSfs = [signedFormToString(sf) for sf in sfs ]
        print("CASE %d: %s" %
                (self.case,
                 '; '.join(strSfs)))
        tableau = Node(False, Variable(""))
        try:
            start = now()
            tableau = TableauBuilder().build(sfs)
            duration = now() - start
        except KeyboardInterrupt:
            raise KeyboardInterrupt()
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        if not isinstance(tableau, Tableau):
            print('FAILED: not a tableau.Tableau: %s' % type(tableau))
            print()
            return

        if not isinstance(tableau.root, Node):
            print('FAILED: not a tableau.Node: %s' % type(tableau))
            print()
            return

        closed = tableau.isClosed()
        badStructure = False
        try:
            self.testTableauStructure(tableau.root, [], strSfs)
        except BadTableauException as err:
            badStructure = str(err)
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        size = tableau.size()

        self.time += duration
        self.size += size

        if closed:
            self.closed += 1

        passed =  closed == expect_closed and not badStructure
        if passed:
            self.passed += 1
            print('PASSED:  time: %12.9f   tableau size: %3d   %s' %
                    (duration, size, self.closedToString(closed)))
        else:
            print('FAILED: ')

        if not passed or showAll:
            print('=====TABLEAU=====\n%s\n%s' %
                    (tableau.toString(), '='*13))

        if not passed:
            if closed != expect_closed:
                print('Tableau is %s, but should be %s' %
                        (self.closedToString(closed), self.closedToString(expect_closed)))
            if badStructure:
                print(badStructure)
            if stopOnError:
                raise FailedTestException()
        print('')
Esempio n. 4
0
    def testTableauStructure(self, node, ancestors, strSfs):
        strSf = signedFormToString((node.sign, node.formula))
        if node.source == None:
            if strSf not in strSfs:
                raise BadTableauException(
                    'Node (%d) has no source node and its formula not initial.' %
                    (node.number,)
                    )
        elif node.source not in ancestors:
            raise BadTableauException(
                'Node (%d) has source (%d) which is not one of its ancestors.' %
                (node.number, node.source.number,)
                )
        else:
            src = node.source
            parent = ancestors[-1]
            strSourceSubfs = [
                signedFormToString(sf)
                for sf in src.formula.signedSubf(src.sign)
                ]
            if strSf not in strSourceSubfs:
                raise BadTableauException(
                    'Node (%d) does not contain a subformula of (%d).' %
                    ( node.number, src.number )
                    )
            if (src.formula.getType(src.sign) == ALPHA and
                len(parent.children) != 1):
                raise BadTableauException(
                    'Node (%d) is a result of ALPHA rule for (%d) -- must have no siblings.' %
                    ( node.number, src.number )
                    )
            if (src.formula.getType(src.sign) == BETA and
                len(parent.children) != len(strSourceSubfs)):
                raise BadTableauException(
                    'Node (%d) should have %d siblings -- results of BETA rule for (%d).' %
                    ( node.number, len(strSourceSubfs)-1, src.number )
                    )
        ancestors.append(node)
        for child in node.children:
            self.testTableauStructure(child, ancestors, strSfs)

        if node.closed:
            # this is a 'closing' node
            if not isinstance(node.closedFrom, Node):
                raise BadTableauException(
                    'Close pair reference for closed node (%d) is not a node' % node.number
                )
            if not node.closedFrom in ancestors:
                raise BadTableauException(
                    'Close pair (%d) is not an ancestor of the closed node (%d).' %
                    (node.closedFrom.number, node.number)
                )
            if node.sign != (not node.closedFrom.sign):
                raise BadTableauException(
                    'Close pair formula signs are wrong (%d, %d)'
                    % (node.number, node.closedFrom.number)
                )
            if node.formula.toString() != node.closedFrom.formula.toString():
                raise BadTableauException(
                    'Close pair formulas do not match (%d, %d)'
                    % (node.number, node.closedFrom.number)
                )

        if not node.isClosed() and node.children == []:
            # open branch should be complete
            branchSet = frozenset((nd.sign, nd.formula.toString()) for nd in ancestors)
            for nd in ancestors:
                t = nd.formula.getType(nd.sign)
                if t == ALPHA:
                    for sign, f in nd.formula.signedSubf(nd.sign):
                        if not( (sign, f.toString()) in branchSet):
                                raise BadTableauException(
                                    ('Branch (ending at %d) is open but not complete'
                                    + ' -- %d (ALPHA) is missing subformula %s') %
                                    ( node.number, nd.number,
                                        signedFormToString((sign, f))))
                elif t == BETA:
                    haveOne = False
                    for sign, f in nd.formula.signedSubf(nd.sign):
                        if (sign, f.toString()) in branchSet:
                            haveOne = True
                            break
                    if not haveOne:
                        raise BadTableauException(
                                    ('Branch (ending at %d) is open but not complete'
                                    + ' -- %d (BETA) is missing a subformula') %
                                    ( node.number, nd.number ))

        ancestors.pop()
Esempio n. 5
0
    def testTableau(self, expect_closed, sfs):
        self.case += 1
        self.tested += 1
        strSfs = [signedFormToString(sf) for sf in sfs]
        print("CASE %d: %s" % (self.case, '; '.join(strSfs)))
        tableau = Node(False, Variable(""))
        try:
            start = now()
            tableau = TableauBuilder().build(sfs)
            duration = now() - start
        except KeyboardInterrupt:
            raise KeyboardInterrupt()
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        if not isinstance(tableau, Node):
            print('FAILED: not a tableau.Node: %s' % type(tableau))
            print()
            return

        closed = tableau.isClosed()
        badStructure = False
        try:
            self.testTableauStructure(tableau, [], strSfs)
        except BadTableauException as err:
            badStructure = str(err)
        except:
            printException()
            if stopOnError:
                raise FailedTestException()
            return

        size = tableau.numberOfNodes()

        self.time += duration
        self.size += size

        if closed:
            self.closed += 1

        passed = closed == expect_closed and not badStructure
        if passed:
            self.passed += 1
            print('PASSED:  time: %12.9f   tableau size: %3d   %s' %
                  (duration, size, self.closedToString(closed)))
        else:
            print('FAILED: ')

        if not passed or showAll:
            print('=====TABLEAU=====\n%s\n%s' % (tableau.toString(), '=' * 13))

        if not passed:
            if closed != expect_closed:
                print('Tableau is %s, but should be %s' %
                      (self.closedToString(closed),
                       self.closedToString(expect_closed)))
            if badStructure:
                print(badStructure)
            if stopOnError:
                raise FailedTestException()
        print('')
Esempio n. 6
0
    def testTableauStructure(self, node, ancestors, strSfs):
        strSf = signedFormToString((node.sign, node.formula))
        if node.source == None:
            if strSf not in strSfs:
                raise BadTableauException(
                    'Node (%d) has no source node and its formula not initial.'
                    % (node.number, ))
        elif node.source not in ancestors:
            raise BadTableauException(
                'Node (%d) has source (%d) which is not one of its ancestors.'
                % (
                    node.number,
                    node.source.number,
                ))
        else:
            src = node.source
            parent = ancestors[-1]
            strSourceSubfs = [
                signedFormToString(sf)
                for sf in src.formula.signedSubf(src.sign)
            ]
            if strSf not in strSourceSubfs:
                raise BadTableauException(
                    'Node (%d) does not contain a subformula of (%d).' %
                    (node.number, src.number))
            if (src.formula.getType(src.sign) == ALPHA
                    and len(parent.children) != 1):
                raise BadTableauException(
                    'Node (%d) is a result of ALPHA rule for (%d) -- must have no siblings.'
                    % (node.number, src.number))
            if (src.formula.getType(src.sign) == BETA
                    and len(parent.children) != len(strSourceSubfs)):
                raise BadTableauException(
                    'Node (%d) should have %d siblings -- results of BETA rule for (%d).'
                    % (node.number, len(strSourceSubfs) - 1, src.number))
        ancestors.append(node)
        for child in node.children:
            self.testTableauStructure(child, ancestors, strSfs)

        if not node.closed and node.children == []:
            # open branch should be complete
            branchSet = frozenset(
                (nd.sign, nd.formula.toString()) for nd in ancestors)
            for nd in ancestors:
                t = nd.formula.getType(nd.sign)
                if t == ALPHA:
                    for sign, f in nd.formula.signedSubf(nd.sign):
                        if not ((sign, f.toString()) in branchSet):
                            raise BadTableauException((
                                'Branch (ending at %d) is open but not complete'
                                + ' -- %d (ALPHA) is missing subformula %s') %
                                                      (node.number, nd.number,
                                                       signedFormToString(
                                                           (sign, f))))
                elif t == BETA:
                    haveOne = False
                    for sign, f in nd.formula.signedSubf(nd.sign):
                        if (sign, f.toString()) in branchSet:
                            haveOne = True
                            break
                    if not haveOne:
                        raise BadTableauException(
                            ('Branch (ending at %d) is open but not complete' +
                             ' -- %d (BETA) is missing a subformula') %
                            (node.number, nd.number))

        ancestors.pop()