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How to use assertEntryEqual method in autotest

Best Python code snippet using autotest_python
test_array.py
Source:test_array.py
...49    # smallerexample: the same length as example, but smaller50    # biggerexample: the same length as example, but bigger51    # outside: An entry that is not in example52    # minitemsize: the minimum guaranteed itemsize53    def assertEntryEqual(self, entry1, entry2):54        self.assertEqual(entry1, entry2)55    def badtypecode(self):56        # Return a typecode that is different from our own57        return typecodes[(typecodes.index(self.typecode)+1) % len(typecodes)]58    def test_constructor(self):59        a = array.array(self.typecode)60        self.assertEqual(a.typecode, self.typecode)61        self.assertGreaterEqual(a.itemsize, self.minitemsize)62        self.assertRaises(TypeError, array.array, self.typecode, None)63    def test_len(self):64        a = array.array(self.typecode)65        a.append(self.example[0])66        self.assertEqual(len(a), 1)67        a = array.array(self.typecode, self.example)68        self.assertEqual(len(a), len(self.example))69    def test_buffer_info(self):70        a = array.array(self.typecode, self.example)71        self.assertRaises(TypeError, a.buffer_info, 42)72        bi = a.buffer_info()73        self.assertIsInstance(bi, tuple)74        self.assertEqual(len(bi), 2)75        self.assertIsInstance(bi[0], (int, long))76        self.assertIsInstance(bi[1], int)77        self.assertEqual(bi[1], len(a))78    def test_byteswap(self):79        a = array.array(self.typecode, self.example)80        self.assertRaises(TypeError, a.byteswap, 42)81        if a.itemsize in (1, 2, 4, 8):82            b = array.array(self.typecode, self.example)83            b.byteswap()84            if a.itemsize==1:85                self.assertEqual(a, b)86            else:87                self.assertNotEqual(a, b)88            b.byteswap()89            self.assertEqual(a, b)90    def test_copy(self):91        import copy92        a = array.array(self.typecode, self.example)93        b = copy.copy(a)94        self.assertNotEqual(id(a), id(b))95        self.assertEqual(a, b)96    def test_deepcopy(self):97        import copy98        a = array.array(self.typecode, self.example)99        b = copy.deepcopy(a)100        self.assertNotEqual(id(a), id(b))101        self.assertEqual(a, b)102    def test_pickle(self):103        for protocol in range(HIGHEST_PROTOCOL + 1):104            a = array.array(self.typecode, self.example)105            b = loads(dumps(a, protocol))106            self.assertNotEqual(id(a), id(b))107            self.assertEqual(a, b)108            a = ArraySubclass(self.typecode, self.example)109            a.x = 10110            b = loads(dumps(a, protocol))111            self.assertNotEqual(id(a), id(b))112            self.assertEqual(a, b)113            self.assertEqual(a.x, b.x)114            self.assertEqual(type(a), type(b))115    def test_pickle_for_empty_array(self):116        for protocol in range(HIGHEST_PROTOCOL + 1):117            a = array.array(self.typecode)118            b = loads(dumps(a, protocol))119            self.assertNotEqual(id(a), id(b))120            self.assertEqual(a, b)121            a = ArraySubclass(self.typecode)122            a.x = 10123            b = loads(dumps(a, protocol))124            self.assertNotEqual(id(a), id(b))125            self.assertEqual(a, b)126            self.assertEqual(a.x, b.x)127            self.assertEqual(type(a), type(b))128    def test_insert(self):129        a = array.array(self.typecode, self.example)130        a.insert(0, self.example[0])131        self.assertEqual(len(a), 1+len(self.example))132        self.assertEqual(a[0], a[1])133        self.assertRaises(TypeError, a.insert)134        self.assertRaises(TypeError, a.insert, None)135        self.assertRaises(TypeError, a.insert, 0, None)136        a = array.array(self.typecode, self.example)137        a.insert(-1, self.example[0])138        self.assertEqual(139            a,140            array.array(141                self.typecode,142                self.example[:-1] + self.example[:1] + self.example[-1:]143            )144        )145        a = array.array(self.typecode, self.example)146        a.insert(-1000, self.example[0])147        self.assertEqual(148            a,149            array.array(self.typecode, self.example[:1] + self.example)150        )151        a = array.array(self.typecode, self.example)152        a.insert(1000, self.example[0])153        self.assertEqual(154            a,155            array.array(self.typecode, self.example + self.example[:1])156        )157    def test_tofromfile(self):158        a = array.array(self.typecode, 2*self.example)159        self.assertRaises(TypeError, a.tofile)160        self.assertRaises(TypeError, a.tofile, cStringIO.StringIO())161        test_support.unlink(test_support.TESTFN)162        f = open(test_support.TESTFN, 'wb')163        try:164            a.tofile(f)165            f.close()166            b = array.array(self.typecode)167            f = open(test_support.TESTFN, 'rb')168            self.assertRaises(TypeError, b.fromfile)169            self.assertRaises(170                TypeError,171                b.fromfile,172                cStringIO.StringIO(), len(self.example)173            )174            b.fromfile(f, len(self.example))175            self.assertEqual(b, array.array(self.typecode, self.example))176            self.assertNotEqual(a, b)177            b.fromfile(f, len(self.example))178            self.assertEqual(a, b)179            self.assertRaises(EOFError, b.fromfile, f, 1)180            f.close()181        finally:182            if not f.closed:183                f.close()184            test_support.unlink(test_support.TESTFN)185    def test_fromfile_ioerror(self):186        # Issue #5395: Check if fromfile raises a proper IOError187        # instead of EOFError.188        a = array.array(self.typecode)189        f = open(test_support.TESTFN, 'wb')190        try:191            self.assertRaises(IOError, a.fromfile, f, len(self.example))192        finally:193            f.close()194            test_support.unlink(test_support.TESTFN)195    def test_filewrite(self):196        a = array.array(self.typecode, 2*self.example)197        f = open(test_support.TESTFN, 'wb')198        try:199            f.write(a)200            f.close()201            b = array.array(self.typecode)202            f = open(test_support.TESTFN, 'rb')203            b.fromfile(f, len(self.example))204            self.assertEqual(b, array.array(self.typecode, self.example))205            self.assertNotEqual(a, b)206            b.fromfile(f, len(self.example))207            self.assertEqual(a, b)208            f.close()209        finally:210            if not f.closed:211                f.close()212            test_support.unlink(test_support.TESTFN)213    def test_tofromlist(self):214        a = array.array(self.typecode, 2*self.example)215        b = array.array(self.typecode)216        self.assertRaises(TypeError, a.tolist, 42)217        self.assertRaises(TypeError, b.fromlist)218        self.assertRaises(TypeError, b.fromlist, 42)219        self.assertRaises(TypeError, b.fromlist, [None])220        b.fromlist(a.tolist())221        self.assertEqual(a, b)222    def test_tofromstring(self):223        a = array.array(self.typecode, 2*self.example)224        b = array.array(self.typecode)225        self.assertRaises(TypeError, a.tostring, 42)226        self.assertRaises(TypeError, b.fromstring)227        self.assertRaises(TypeError, b.fromstring, 42)228        self.assertRaises(ValueError, a.fromstring, a)229        b.fromstring(a.tostring())230        self.assertEqual(a, b)231        if a.itemsize>1:232            self.assertRaises(ValueError, b.fromstring, "x")233    def test_repr(self):234        a = array.array(self.typecode, 2*self.example)235        self.assertEqual(a, eval(repr(a), {"array": array.array}))236        a = array.array(self.typecode)237        self.assertEqual(repr(a), "array('%s')" % self.typecode)238    def test_str(self):239        a = array.array(self.typecode, 2*self.example)240        str(a)241    def test_cmp(self):242        a = array.array(self.typecode, self.example)243        self.assertIs(a == 42, False)244        self.assertIs(a != 42, True)245        self.assertIs(a == a, True)246        self.assertIs(a != a, False)247        self.assertIs(a < a, False)248        self.assertIs(a <= a, True)249        self.assertIs(a > a, False)250        self.assertIs(a >= a, True)251        al = array.array(self.typecode, self.smallerexample)252        ab = array.array(self.typecode, self.biggerexample)253        self.assertIs(a == 2*a, False)254        self.assertIs(a != 2*a, True)255        self.assertIs(a < 2*a, True)256        self.assertIs(a <= 2*a, True)257        self.assertIs(a > 2*a, False)258        self.assertIs(a >= 2*a, False)259        self.assertIs(a == al, False)260        self.assertIs(a != al, True)261        self.assertIs(a < al, False)262        self.assertIs(a <= al, False)263        self.assertIs(a > al, True)264        self.assertIs(a >= al, True)265        self.assertIs(a == ab, False)266        self.assertIs(a != ab, True)267        self.assertIs(a < ab, True)268        self.assertIs(a <= ab, True)269        self.assertIs(a > ab, False)270        self.assertIs(a >= ab, False)271    def test_add(self):272        a = array.array(self.typecode, self.example) \273            + array.array(self.typecode, self.example[::-1])274        self.assertEqual(275            a,276            array.array(self.typecode, self.example + self.example[::-1])277        )278        b = array.array(self.badtypecode())279        self.assertRaises(TypeError, a.__add__, b)280        self.assertRaises(TypeError, a.__add__, "bad")281    def test_iadd(self):282        a = array.array(self.typecode, self.example[::-1])283        b = a284        a += array.array(self.typecode, 2*self.example)285        self.assertIs(a, b)286        self.assertEqual(287            a,288            array.array(self.typecode, self.example[::-1]+2*self.example)289        )290        a = array.array(self.typecode, self.example)291        a += a292        self.assertEqual(293            a,294            array.array(self.typecode, self.example + self.example)295        )296        b = array.array(self.badtypecode())297        self.assertRaises(TypeError, a.__add__, b)298        self.assertRaises(TypeError, a.__iadd__, "bad")299    def test_mul(self):300        a = 5*array.array(self.typecode, self.example)301        self.assertEqual(302            a,303            array.array(self.typecode, 5*self.example)304        )305        a = array.array(self.typecode, self.example)*5306        self.assertEqual(307            a,308            array.array(self.typecode, self.example*5)309        )310        a = 0*array.array(self.typecode, self.example)311        self.assertEqual(312            a,313            array.array(self.typecode)314        )315        a = (-1)*array.array(self.typecode, self.example)316        self.assertEqual(317            a,318            array.array(self.typecode)319        )320        self.assertRaises(TypeError, a.__mul__, "bad")321    def test_imul(self):322        a = array.array(self.typecode, self.example)323        b = a324        a *= 5325        self.assertIs(a, b)326        self.assertEqual(327            a,328            array.array(self.typecode, 5*self.example)329        )330        a *= 0331        self.assertIs(a, b)332        self.assertEqual(a, array.array(self.typecode))333        a *= 1000334        self.assertIs(a, b)335        self.assertEqual(a, array.array(self.typecode))336        a *= -1337        self.assertIs(a, b)338        self.assertEqual(a, array.array(self.typecode))339        a = array.array(self.typecode, self.example)340        a *= -1341        self.assertEqual(a, array.array(self.typecode))342        self.assertRaises(TypeError, a.__imul__, "bad")343    def test_getitem(self):344        a = array.array(self.typecode, self.example)345        self.assertEntryEqual(a[0], self.example[0])346        self.assertEntryEqual(a[0L], self.example[0])347        self.assertEntryEqual(a[-1], self.example[-1])348        self.assertEntryEqual(a[-1L], self.example[-1])349        self.assertEntryEqual(a[len(self.example)-1], self.example[-1])350        self.assertEntryEqual(a[-len(self.example)], self.example[0])351        self.assertRaises(TypeError, a.__getitem__)352        self.assertRaises(IndexError, a.__getitem__, len(self.example))353        self.assertRaises(IndexError, a.__getitem__, -len(self.example)-1)354    def test_setitem(self):355        a = array.array(self.typecode, self.example)356        a[0] = a[-1]357        self.assertEntryEqual(a[0], a[-1])358        a = array.array(self.typecode, self.example)359        a[0L] = a[-1]360        self.assertEntryEqual(a[0], a[-1])361        a = array.array(self.typecode, self.example)362        a[-1] = a[0]363        self.assertEntryEqual(a[0], a[-1])364        a = array.array(self.typecode, self.example)365        a[-1L] = a[0]366        self.assertEntryEqual(a[0], a[-1])367        a = array.array(self.typecode, self.example)368        a[len(self.example)-1] = a[0]369        self.assertEntryEqual(a[0], a[-1])370        a = array.array(self.typecode, self.example)371        a[-len(self.example)] = a[-1]372        self.assertEntryEqual(a[0], a[-1])373        self.assertRaises(TypeError, a.__setitem__)374        self.assertRaises(TypeError, a.__setitem__, None)375        self.assertRaises(TypeError, a.__setitem__, 0, None)376        self.assertRaises(377            IndexError,378            a.__setitem__,379            len(self.example), self.example[0]380        )381        self.assertRaises(382            IndexError,383            a.__setitem__,384            -len(self.example)-1, self.example[0]385        )386    def test_delitem(self):387        a = array.array(self.typecode, self.example)388        del a[0]389        self.assertEqual(390            a,391            array.array(self.typecode, self.example[1:])392        )393        a = array.array(self.typecode, self.example)394        del a[-1]395        self.assertEqual(396            a,397            array.array(self.typecode, self.example[:-1])398        )399        a = array.array(self.typecode, self.example)400        del a[len(self.example)-1]401        self.assertEqual(402            a,403            array.array(self.typecode, self.example[:-1])404        )405        a = array.array(self.typecode, self.example)406        del a[-len(self.example)]407        self.assertEqual(408            a,409            array.array(self.typecode, self.example[1:])410        )411        self.assertRaises(TypeError, a.__delitem__)412        self.assertRaises(TypeError, a.__delitem__, None)413        self.assertRaises(IndexError, a.__delitem__, len(self.example))414        self.assertRaises(IndexError, a.__delitem__, -len(self.example)-1)415    def test_getslice(self):416        a = array.array(self.typecode, self.example)417        self.assertEqual(a[:], a)418        self.assertEqual(419            a[1:],420            array.array(self.typecode, self.example[1:])421        )422        self.assertEqual(423            a[:1],424            array.array(self.typecode, self.example[:1])425        )426        self.assertEqual(427            a[:-1],428            array.array(self.typecode, self.example[:-1])429        )430        self.assertEqual(431            a[-1:],432            array.array(self.typecode, self.example[-1:])433        )434        self.assertEqual(435            a[-1:-1],436            array.array(self.typecode)437        )438        self.assertEqual(439            a[2:1],440            array.array(self.typecode)441        )442        self.assertEqual(443            a[1000:],444            array.array(self.typecode)445        )446        self.assertEqual(a[-1000:], a)447        self.assertEqual(a[:1000], a)448        self.assertEqual(449            a[:-1000],450            array.array(self.typecode)451        )452        self.assertEqual(a[-1000:1000], a)453        self.assertEqual(454            a[2000:1000],455            array.array(self.typecode)456        )457    def test_extended_getslice(self):458        # Test extended slicing by comparing with list slicing459        # (Assumes list conversion works correctly, too)460        a = array.array(self.typecode, self.example)461        indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)462        for start in indices:463            for stop in indices:464                # Everything except the initial 0 (invalid step)465                for step in indices[1:]:466                    self.assertEqual(list(a[start:stop:step]),467                                     list(a)[start:stop:step])468    def test_setslice(self):469        a = array.array(self.typecode, self.example)470        a[:1] = a471        self.assertEqual(472            a,473            array.array(self.typecode, self.example + self.example[1:])474        )475        a = array.array(self.typecode, self.example)476        a[:-1] = a477        self.assertEqual(478            a,479            array.array(self.typecode, self.example + self.example[-1:])480        )481        a = array.array(self.typecode, self.example)482        a[-1:] = a483        self.assertEqual(484            a,485            array.array(self.typecode, self.example[:-1] + self.example)486        )487        a = array.array(self.typecode, self.example)488        a[1:] = a489        self.assertEqual(490            a,491            array.array(self.typecode, self.example[:1] + self.example)492        )493        a = array.array(self.typecode, self.example)494        a[1:-1] = a495        self.assertEqual(496            a,497            array.array(498                self.typecode,499                self.example[:1] + self.example + self.example[-1:]500            )501        )502        a = array.array(self.typecode, self.example)503        a[1000:] = a504        self.assertEqual(505            a,506            array.array(self.typecode, 2*self.example)507        )508        a = array.array(self.typecode, self.example)509        a[-1000:] = a510        self.assertEqual(511            a,512            array.array(self.typecode, self.example)513        )514        a = array.array(self.typecode, self.example)515        a[:1000] = a516        self.assertEqual(517            a,518            array.array(self.typecode, self.example)519        )520        a = array.array(self.typecode, self.example)521        a[:-1000] = a522        self.assertEqual(523            a,524            array.array(self.typecode, 2*self.example)525        )526        a = array.array(self.typecode, self.example)527        a[1:0] = a528        self.assertEqual(529            a,530            array.array(self.typecode, self.example[:1] + self.example + self.example[1:])531        )532        a = array.array(self.typecode, self.example)533        a[2000:1000] = a534        self.assertEqual(535            a,536            array.array(self.typecode, 2*self.example)537        )538        a = array.array(self.typecode, self.example)539        self.assertRaises(TypeError, a.__setslice__, 0, 0, None)540        self.assertRaises(TypeError, a.__setitem__, slice(0, 0), None)541        self.assertRaises(TypeError, a.__setitem__, slice(0, 1), None)542        b = array.array(self.badtypecode())543        self.assertRaises(TypeError, a.__setslice__, 0, 0, b)544        self.assertRaises(TypeError, a.__setitem__, slice(0, 0), b)545        self.assertRaises(TypeError, a.__setitem__, slice(0, 1), b)546    def test_extended_set_del_slice(self):547        indices = (0, None, 1, 3, 19, 100, -1, -2, -31, -100)548        for start in indices:549            for stop in indices:550                # Everything except the initial 0 (invalid step)551                for step in indices[1:]:552                    a = array.array(self.typecode, self.example)553                    L = list(a)554                    # Make sure we have a slice of exactly the right length,555                    # but with (hopefully) different data.556                    data = L[start:stop:step]557                    data.reverse()558                    L[start:stop:step] = data559                    a[start:stop:step] = array.array(self.typecode, data)560                    self.assertEqual(a, array.array(self.typecode, L))561                    del L[start:stop:step]562                    del a[start:stop:step]563                    self.assertEqual(a, array.array(self.typecode, L))564    def test_index(self):565        example = 2*self.example566        a = array.array(self.typecode, example)567        self.assertRaises(TypeError, a.index)568        for x in example:569            self.assertEqual(a.index(x), example.index(x))570        self.assertRaises(ValueError, a.index, None)571        self.assertRaises(ValueError, a.index, self.outside)572    def test_count(self):573        example = 2*self.example574        a = array.array(self.typecode, example)575        self.assertRaises(TypeError, a.count)576        for x in example:577            self.assertEqual(a.count(x), example.count(x))578        self.assertEqual(a.count(self.outside), 0)579        self.assertEqual(a.count(None), 0)580    def test_remove(self):581        for x in self.example:582            example = 2*self.example583            a = array.array(self.typecode, example)584            pos = example.index(x)585            example2 = example[:pos] + example[pos+1:]586            a.remove(x)587            self.assertEqual(a, array.array(self.typecode, example2))588        a = array.array(self.typecode, self.example)589        self.assertRaises(ValueError, a.remove, self.outside)590        self.assertRaises(ValueError, a.remove, None)591    def test_pop(self):592        a = array.array(self.typecode)593        self.assertRaises(IndexError, a.pop)594        a = array.array(self.typecode, 2*self.example)595        self.assertRaises(TypeError, a.pop, 42, 42)596        self.assertRaises(TypeError, a.pop, None)597        self.assertRaises(IndexError, a.pop, len(a))598        self.assertRaises(IndexError, a.pop, -len(a)-1)599        self.assertEntryEqual(a.pop(0), self.example[0])600        self.assertEqual(601            a,602            array.array(self.typecode, self.example[1:]+self.example)603        )604        self.assertEntryEqual(a.pop(1), self.example[2])605        self.assertEqual(606            a,607            array.array(self.typecode, self.example[1:2]+self.example[3:]+self.example)608        )609        self.assertEntryEqual(a.pop(0), self.example[1])610        self.assertEntryEqual(a.pop(), self.example[-1])611        self.assertEqual(612            a,613            array.array(self.typecode, self.example[3:]+self.example[:-1])614        )615    def test_reverse(self):616        a = array.array(self.typecode, self.example)617        self.assertRaises(TypeError, a.reverse, 42)618        a.reverse()619        self.assertEqual(620            a,621            array.array(self.typecode, self.example[::-1])622        )623    def test_extend(self):624        a = array.array(self.typecode, self.example)625        self.assertRaises(TypeError, a.extend)626        a.extend(array.array(self.typecode, self.example[::-1]))627        self.assertEqual(628            a,629            array.array(self.typecode, self.example+self.example[::-1])630        )631        a = array.array(self.typecode, self.example)632        a.extend(a)633        self.assertEqual(634            a,635            array.array(self.typecode, self.example+self.example)636        )637        b = array.array(self.badtypecode())638        self.assertRaises(TypeError, a.extend, b)639        a = array.array(self.typecode, self.example)640        a.extend(self.example[::-1])641        self.assertEqual(642            a,643            array.array(self.typecode, self.example+self.example[::-1])644        )645    def test_constructor_with_iterable_argument(self):646        a = array.array(self.typecode, iter(self.example))647        b = array.array(self.typecode, self.example)648        self.assertEqual(a, b)649        # non-iterable argument650        self.assertRaises(TypeError, array.array, self.typecode, 10)651        # pass through errors raised in __iter__652        class A:653            def __iter__(self):654                raise UnicodeError655        self.assertRaises(UnicodeError, array.array, self.typecode, A())656        # pass through errors raised in next()657        def B():658            raise UnicodeError659            yield None660        self.assertRaises(UnicodeError, array.array, self.typecode, B())661    def test_coveritertraverse(self):662        try:663            import gc664        except ImportError:665            self.skipTest('gc module not available')666        a = array.array(self.typecode)667        l = [iter(a)]668        l.append(l)669        gc.collect()670    def test_buffer(self):671        a = array.array(self.typecode, self.example)672        with test_support.check_py3k_warnings():673            b = buffer(a)674        self.assertEqual(b[0], a.tostring()[0])675    def test_weakref(self):676        s = array.array(self.typecode, self.example)677        p = proxy(s)678        self.assertEqual(p.tostring(), s.tostring())679        s = None680        self.assertRaises(ReferenceError, len, p)681    @unittest.skipUnless(hasattr(sys, 'getrefcount'),682                         'test needs sys.getrefcount()')683    def test_bug_782369(self):684        for i in range(10):685            b = array.array('B', range(64))686        rc = sys.getrefcount(10)687        for i in range(10):688            b = array.array('B', range(64))689        self.assertEqual(rc, sys.getrefcount(10))690    def test_subclass_with_kwargs(self):691        # SF bug #1486663 -- this used to erroneously raise a TypeError692        with warnings.catch_warnings():693            warnings.filterwarnings("ignore", '', DeprecationWarning)694            ArraySubclassWithKwargs('b', newarg=1)695class StringTest(BaseTest):696    def test_setitem(self):697        super(StringTest, self).test_setitem()698        a = array.array(self.typecode, self.example)699        self.assertRaises(TypeError, a.__setitem__, 0, self.example[:2])700class CharacterTest(StringTest):701    typecode = 'c'702    example = '\x01azAZ\x00\xfe'703    smallerexample = '\x01azAY\x00\xfe'704    biggerexample = '\x01azAZ\x00\xff'705    outside = '\x33'706    minitemsize = 1707    def test_subbclassing(self):708        class EditableString(array.array):709            def __new__(cls, s, *args, **kwargs):710                return array.array.__new__(cls, 'c', s)711            def __init__(self, s, color='blue'):712                self.color = color713            def strip(self):714                self[:] = array.array('c', self.tostring().strip())715            def __repr__(self):716                return 'EditableString(%r)' % self.tostring()717        s = EditableString("\ttest\r\n")718        s.strip()719        self.assertEqual(s.tostring(), "test")720        self.assertEqual(s.color, "blue")721        s.color = "red"722        self.assertEqual(s.color, "red")723        self.assertEqual(s.__dict__.keys(), ["color"])724    @test_support.requires_unicode725    def test_nounicode(self):726        a = array.array(self.typecode, self.example)727        self.assertRaises(ValueError, a.fromunicode, unicode(''))728        self.assertRaises(ValueError, a.tounicode)729tests.append(CharacterTest)730if test_support.have_unicode:731    class UnicodeTest(StringTest):732        typecode = 'u'733        example = unicode(r'\x01\u263a\x00\ufeff', 'unicode-escape')734        smallerexample = unicode(r'\x01\u263a\x00\ufefe', 'unicode-escape')735        biggerexample = unicode(r'\x01\u263a\x01\ufeff', 'unicode-escape')736        outside = unicode('\x33')737        minitemsize = 2738        def test_unicode(self):739            self.assertRaises(TypeError, array.array, 'b', unicode('foo', 'ascii'))740            a = array.array('u', unicode(r'\xa0\xc2\u1234', 'unicode-escape'))741            a.fromunicode(unicode(' ', 'ascii'))742            a.fromunicode(unicode('', 'ascii'))743            a.fromunicode(unicode('', 'ascii'))744            a.fromunicode(unicode(r'\x11abc\xff\u1234', 'unicode-escape'))745            s = a.tounicode()746            self.assertEqual(747                s,748                unicode(r'\xa0\xc2\u1234 \x11abc\xff\u1234', 'unicode-escape')749            )750            s = unicode(r'\x00="\'a\\b\x80\xff\u0000\u0001\u1234', 'unicode-escape')751            a = array.array('u', s)752            self.assertEqual(753                repr(a),754                r"""array('u', u'\x00="\'a\\b\x80\xff\x00\x01\u1234')"""755            )756            self.assertRaises(TypeError, a.fromunicode)757    tests.append(UnicodeTest)758class NumberTest(BaseTest):759    def test_extslice(self):760        a = array.array(self.typecode, range(5))761        self.assertEqual(a[::], a)762        self.assertEqual(a[::2], array.array(self.typecode, [0,2,4]))763        self.assertEqual(a[1::2], array.array(self.typecode, [1,3]))764        self.assertEqual(a[::-1], array.array(self.typecode, [4,3,2,1,0]))765        self.assertEqual(a[::-2], array.array(self.typecode, [4,2,0]))766        self.assertEqual(a[3::-2], array.array(self.typecode, [3,1]))767        self.assertEqual(a[-100:100:], a)768        self.assertEqual(a[100:-100:-1], a[::-1])769        self.assertEqual(a[-100L:100L:2L], array.array(self.typecode, [0,2,4]))770        self.assertEqual(a[1000:2000:2], array.array(self.typecode, []))771        self.assertEqual(a[-1000:-2000:-2], array.array(self.typecode, []))772    def test_delslice(self):773        a = array.array(self.typecode, range(5))774        del a[::2]775        self.assertEqual(a, array.array(self.typecode, [1,3]))776        a = array.array(self.typecode, range(5))777        del a[1::2]778        self.assertEqual(a, array.array(self.typecode, [0,2,4]))779        a = array.array(self.typecode, range(5))780        del a[1::-2]781        self.assertEqual(a, array.array(self.typecode, [0,2,3,4]))782        a = array.array(self.typecode, range(10))783        del a[::1000]784        self.assertEqual(a, array.array(self.typecode, [1,2,3,4,5,6,7,8,9]))785        # test issue7788786        a = array.array(self.typecode, range(10))787        del a[9::1<<333]788    def test_assignment(self):789        a = array.array(self.typecode, range(10))790        a[::2] = array.array(self.typecode, [42]*5)791        self.assertEqual(a, array.array(self.typecode, [42, 1, 42, 3, 42, 5, 42, 7, 42, 9]))792        a = array.array(self.typecode, range(10))793        a[::-4] = array.array(self.typecode, [10]*3)794        self.assertEqual(a, array.array(self.typecode, [0, 10, 2, 3, 4, 10, 6, 7, 8 ,10]))795        a = array.array(self.typecode, range(4))796        a[::-1] = a797        self.assertEqual(a, array.array(self.typecode, [3, 2, 1, 0]))798        a = array.array(self.typecode, range(10))799        b = a[:]800        c = a[:]801        ins = array.array(self.typecode, range(2))802        a[2:3] = ins803        b[slice(2,3)] = ins804        c[2:3:] = ins805    def test_iterationcontains(self):806        a = array.array(self.typecode, range(10))807        self.assertEqual(list(a), range(10))808        b = array.array(self.typecode, [20])809        self.assertEqual(a[-1] in a, True)810        self.assertEqual(b[0] not in a, True)811    def check_overflow(self, lower, upper):812        # method to be used by subclasses813        # should not overflow assigning lower limit814        a = array.array(self.typecode, [lower])815        a[0] = lower816        # should overflow assigning less than lower limit817        self.assertRaises(OverflowError, array.array, self.typecode, [lower-1])818        self.assertRaises(OverflowError, a.__setitem__, 0, lower-1)819        # should not overflow assigning upper limit820        a = array.array(self.typecode, [upper])821        a[0] = upper822        # should overflow assigning more than upper limit823        self.assertRaises(OverflowError, array.array, self.typecode, [upper+1])824        self.assertRaises(OverflowError, a.__setitem__, 0, upper+1)825    def test_subclassing(self):826        typecode = self.typecode827        class ExaggeratingArray(array.array):828            __slots__ = ['offset']829            def __new__(cls, typecode, data, offset):830                return array.array.__new__(cls, typecode, data)831            def __init__(self, typecode, data, offset):832                self.offset = offset833            def __getitem__(self, i):834                return array.array.__getitem__(self, i) + self.offset835        a = ExaggeratingArray(self.typecode, [3, 6, 7, 11], 4)836        self.assertEntryEqual(a[0], 7)837        self.assertRaises(AttributeError, setattr, a, "color", "blue")838class SignedNumberTest(NumberTest):839    example = [-1, 0, 1, 42, 0x7f]840    smallerexample = [-1, 0, 1, 42, 0x7e]841    biggerexample = [-1, 0, 1, 43, 0x7f]842    outside = 23843    def test_overflow(self):844        a = array.array(self.typecode)845        lower = -1 * long(pow(2, a.itemsize * 8 - 1))846        upper = long(pow(2, a.itemsize * 8 - 1)) - 1L847        self.check_overflow(lower, upper)848class UnsignedNumberTest(NumberTest):849    example = [0, 1, 17, 23, 42, 0xff]850    smallerexample = [0, 1, 17, 23, 42, 0xfe]851    biggerexample = [0, 1, 17, 23, 43, 0xff]852    outside = 0xaa853    def test_overflow(self):854        a = array.array(self.typecode)855        lower = 0856        upper = long(pow(2, a.itemsize * 8)) - 1L857        self.check_overflow(lower, upper)858    @test_support.cpython_only859    def test_sizeof_with_buffer(self):860        a = array.array(self.typecode, self.example)861        basesize = test_support.calcvobjsize('4P')862        buffer_size = a.buffer_info()[1] * a.itemsize863        test_support.check_sizeof(self, a, basesize + buffer_size)864    @test_support.cpython_only865    def test_sizeof_without_buffer(self):866        a = array.array(self.typecode)867        basesize = test_support.calcvobjsize('4P')868        test_support.check_sizeof(self, a, basesize)869class ByteTest(SignedNumberTest):870    typecode = 'b'871    minitemsize = 1872tests.append(ByteTest)873class UnsignedByteTest(UnsignedNumberTest):874    typecode = 'B'875    minitemsize = 1876tests.append(UnsignedByteTest)877class ShortTest(SignedNumberTest):878    typecode = 'h'879    minitemsize = 2880tests.append(ShortTest)881class UnsignedShortTest(UnsignedNumberTest):882    typecode = 'H'883    minitemsize = 2884tests.append(UnsignedShortTest)885class IntTest(SignedNumberTest):886    typecode = 'i'887    minitemsize = 2888tests.append(IntTest)889class UnsignedIntTest(UnsignedNumberTest):890    typecode = 'I'891    minitemsize = 2892tests.append(UnsignedIntTest)893class LongTest(SignedNumberTest):894    typecode = 'l'895    minitemsize = 4896tests.append(LongTest)897class UnsignedLongTest(UnsignedNumberTest):898    typecode = 'L'899    minitemsize = 4900tests.append(UnsignedLongTest)901@test_support.requires_unicode902class UnicodeTypecodeTest(unittest.TestCase):903    def test_unicode_typecode(self):904        for typecode in typecodes:905            a = array.array(unicode(typecode))906            self.assertEqual(a.typecode, typecode)907            self.assertIs(type(a.typecode), str)908tests.append(UnicodeTypecodeTest)909class FPTest(NumberTest):910    example = [-42.0, 0, 42, 1e5, -1e10]911    smallerexample = [-42.0, 0, 42, 1e5, -2e10]912    biggerexample = [-42.0, 0, 42, 1e5, 1e10]913    outside = 23914    def assertEntryEqual(self, entry1, entry2):915        self.assertAlmostEqual(entry1, entry2)916    def test_byteswap(self):917        a = array.array(self.typecode, self.example)918        self.assertRaises(TypeError, a.byteswap, 42)919        if a.itemsize in (1, 2, 4, 8):920            b = array.array(self.typecode, self.example)921            b.byteswap()922            if a.itemsize==1:923                self.assertEqual(a, b)924            else:925                # On alphas treating the byte swapped bit patters as926                # floats/doubles results in floating point exceptions927                # => compare the 8bit string values instead928                self.assertNotEqual(a.tostring(), b.tostring())...
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