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1from decimal import Decimal
2from test.support import verbose, is_android, is_emscripten, is_wasi
3from test.support.warnings_helper import check_warnings
4from test.support.import_helper import import_fresh_module
5from unittest import mock
6import unittest
7import locale
8import sys
9import codecs
10
11
12class BaseLocalizedTest(unittest.TestCase):
13    #
14    # Base class for tests using a real locale
15    #
16
17    @classmethod
18    def setUpClass(cls):
19        if sys.platform == 'darwin':
20            import os
21            tlocs = ("en_US.UTF-8", "en_US.ISO8859-1", "en_US")
22            if int(os.uname().release.split('.')[0]) < 10:
23                # The locale test work fine on OSX 10.6, I (ronaldoussoren)
24                # haven't had time yet to verify if tests work on OSX 10.5
25                # (10.4 is known to be bad)
26                raise unittest.SkipTest("Locale support on MacOSX is minimal")
27        elif sys.platform.startswith("win"):
28            tlocs = ("En", "English")
29        else:
30            tlocs = ("en_US.UTF-8", "en_US.ISO8859-1",
31                     "en_US.US-ASCII", "en_US")
32        try:
33            oldlocale = locale.setlocale(locale.LC_NUMERIC)
34            for tloc in tlocs:
35                try:
36                    locale.setlocale(locale.LC_NUMERIC, tloc)
37                except locale.Error:
38                    continue
39                break
40            else:
41                raise unittest.SkipTest("Test locale not supported "
42                                        "(tried %s)" % (', '.join(tlocs)))
43            cls.enUS_locale = tloc
44        finally:
45            locale.setlocale(locale.LC_NUMERIC, oldlocale)
46
47    def setUp(self):
48        oldlocale = locale.setlocale(self.locale_type)
49        self.addCleanup(locale.setlocale, self.locale_type, oldlocale)
50        locale.setlocale(self.locale_type, self.enUS_locale)
51        if verbose:
52            print("testing with %r..." % self.enUS_locale, end=' ', flush=True)
53
54
55class BaseCookedTest(unittest.TestCase):
56    #
57    # Base class for tests using cooked localeconv() values
58    #
59
60    def setUp(self):
61        locale._override_localeconv = self.cooked_values
62
63    def tearDown(self):
64        locale._override_localeconv = {}
65
66class CCookedTest(BaseCookedTest):
67    # A cooked "C" locale
68
69    cooked_values = {
70        'currency_symbol': '',
71        'decimal_point': '.',
72        'frac_digits': 127,
73        'grouping': [],
74        'int_curr_symbol': '',
75        'int_frac_digits': 127,
76        'mon_decimal_point': '',
77        'mon_grouping': [],
78        'mon_thousands_sep': '',
79        'n_cs_precedes': 127,
80        'n_sep_by_space': 127,
81        'n_sign_posn': 127,
82        'negative_sign': '',
83        'p_cs_precedes': 127,
84        'p_sep_by_space': 127,
85        'p_sign_posn': 127,
86        'positive_sign': '',
87        'thousands_sep': ''
88    }
89
90class EnUSCookedTest(BaseCookedTest):
91    # A cooked "en_US" locale
92
93    cooked_values = {
94        'currency_symbol': '$',
95        'decimal_point': '.',
96        'frac_digits': 2,
97        'grouping': [3, 3, 0],
98        'int_curr_symbol': 'USD ',
99        'int_frac_digits': 2,
100        'mon_decimal_point': '.',
101        'mon_grouping': [3, 3, 0],
102        'mon_thousands_sep': ',',
103        'n_cs_precedes': 1,
104        'n_sep_by_space': 0,
105        'n_sign_posn': 1,
106        'negative_sign': '-',
107        'p_cs_precedes': 1,
108        'p_sep_by_space': 0,
109        'p_sign_posn': 1,
110        'positive_sign': '',
111        'thousands_sep': ','
112    }
113
114
115class FrFRCookedTest(BaseCookedTest):
116    # A cooked "fr_FR" locale with a space character as decimal separator
117    # and a non-ASCII currency symbol.
118
119    cooked_values = {
120        'currency_symbol': '\u20ac',
121        'decimal_point': ',',
122        'frac_digits': 2,
123        'grouping': [3, 3, 0],
124        'int_curr_symbol': 'EUR ',
125        'int_frac_digits': 2,
126        'mon_decimal_point': ',',
127        'mon_grouping': [3, 3, 0],
128        'mon_thousands_sep': ' ',
129        'n_cs_precedes': 0,
130        'n_sep_by_space': 1,
131        'n_sign_posn': 1,
132        'negative_sign': '-',
133        'p_cs_precedes': 0,
134        'p_sep_by_space': 1,
135        'p_sign_posn': 1,
136        'positive_sign': '',
137        'thousands_sep': ' '
138    }
139
140
141class BaseFormattingTest(object):
142    #
143    # Utility functions for formatting tests
144    #
145
146    def _test_format_string(self, format, value, out, **format_opts):
147        self.assertEqual(
148            locale.format_string(format, value, **format_opts), out)
149
150    def _test_currency(self, value, out, **format_opts):
151        self.assertEqual(locale.currency(value, **format_opts), out)
152
153
154class EnUSNumberFormatting(BaseFormattingTest):
155    # XXX there is a grouping + padding bug when the thousands separator
156    # is empty but the grouping array contains values (e.g. Solaris 10)
157
158    def setUp(self):
159        self.sep = locale.localeconv()['thousands_sep']
160
161    def test_grouping(self):
162        self._test_format_string("%f", 1024, grouping=1, out='1%s024.000000' % self.sep)
163        self._test_format_string("%f", 102, grouping=1, out='102.000000')
164        self._test_format_string("%f", -42, grouping=1, out='-42.000000')
165        self._test_format_string("%+f", -42, grouping=1, out='-42.000000')
166
167    def test_grouping_and_padding(self):
168        self._test_format_string("%20.f", -42, grouping=1, out='-42'.rjust(20))
169        if self.sep:
170            self._test_format_string("%+10.f", -4200, grouping=1,
171                out=('-4%s200' % self.sep).rjust(10))
172            self._test_format_string("%-10.f", -4200, grouping=1,
173                out=('-4%s200' % self.sep).ljust(10))
174
175    def test_integer_grouping(self):
176        self._test_format_string("%d", 4200, grouping=True, out='4%s200' % self.sep)
177        self._test_format_string("%+d", 4200, grouping=True, out='+4%s200' % self.sep)
178        self._test_format_string("%+d", -4200, grouping=True, out='-4%s200' % self.sep)
179
180    def test_integer_grouping_and_padding(self):
181        self._test_format_string("%10d", 4200, grouping=True,
182            out=('4%s200' % self.sep).rjust(10))
183        self._test_format_string("%-10d", -4200, grouping=True,
184            out=('-4%s200' % self.sep).ljust(10))
185
186    def test_simple(self):
187        self._test_format_string("%f", 1024, grouping=0, out='1024.000000')
188        self._test_format_string("%f", 102, grouping=0, out='102.000000')
189        self._test_format_string("%f", -42, grouping=0, out='-42.000000')
190        self._test_format_string("%+f", -42, grouping=0, out='-42.000000')
191
192    def test_padding(self):
193        self._test_format_string("%20.f", -42, grouping=0, out='-42'.rjust(20))
194        self._test_format_string("%+10.f", -4200, grouping=0, out='-4200'.rjust(10))
195        self._test_format_string("%-10.f", 4200, grouping=0, out='4200'.ljust(10))
196
197    def test_complex_formatting(self):
198        # Spaces in formatting string
199        self._test_format_string("One million is %i", 1000000, grouping=1,
200            out='One million is 1%s000%s000' % (self.sep, self.sep))
201        self._test_format_string("One  million is %i", 1000000, grouping=1,
202            out='One  million is 1%s000%s000' % (self.sep, self.sep))
203        # Dots in formatting string
204        self._test_format_string(".%f.", 1000.0, out='.1000.000000.')
205        # Padding
206        if self.sep:
207            self._test_format_string("-->  %10.2f", 4200, grouping=1,
208                out='-->  ' + ('4%s200.00' % self.sep).rjust(10))
209        # Asterisk formats
210        self._test_format_string("%10.*f", (2, 1000), grouping=0,
211            out='1000.00'.rjust(10))
212        if self.sep:
213            self._test_format_string("%*.*f", (10, 2, 1000), grouping=1,
214                out=('1%s000.00' % self.sep).rjust(10))
215        # Test more-in-one
216        if self.sep:
217            self._test_format_string("int %i float %.2f str %s",
218                (1000, 1000.0, 'str'), grouping=1,
219                out='int 1%s000 float 1%s000.00 str str' %
220                (self.sep, self.sep))
221
222        self._test_format_string("total=%i%%", 100, out='total=100%')
223        self._test_format_string("newline: %i\n", 3, out='newline: 3\n')
224        self._test_format_string("extra: %ii", 3, out='extra: 3i')
225
226
227class TestLocaleFormatString(unittest.TestCase):
228    """General tests on locale.format_string"""
229
230    def test_percent_escape(self):
231        self.assertEqual(locale.format_string('%f%%', 1.0), '%f%%' % 1.0)
232        self.assertEqual(locale.format_string('%d %f%%d', (1, 1.0)),
233            '%d %f%%d' % (1, 1.0))
234        self.assertEqual(locale.format_string('%(foo)s %%d', {'foo': 'bar'}),
235            ('%(foo)s %%d' % {'foo': 'bar'}))
236
237    def test_mapping(self):
238        self.assertEqual(locale.format_string('%(foo)s bing.', {'foo': 'bar'}),
239            ('%(foo)s bing.' % {'foo': 'bar'}))
240        self.assertEqual(locale.format_string('%(foo)s', {'foo': 'bar'}),
241            ('%(foo)s' % {'foo': 'bar'}))
242
243
244
245class TestNumberFormatting(BaseLocalizedTest, EnUSNumberFormatting):
246    # Test number formatting with a real English locale.
247
248    locale_type = locale.LC_NUMERIC
249
250    def setUp(self):
251        BaseLocalizedTest.setUp(self)
252        EnUSNumberFormatting.setUp(self)
253
254
255class TestEnUSNumberFormatting(EnUSCookedTest, EnUSNumberFormatting):
256    # Test number formatting with a cooked "en_US" locale.
257
258    def setUp(self):
259        EnUSCookedTest.setUp(self)
260        EnUSNumberFormatting.setUp(self)
261
262    def test_currency(self):
263        self._test_currency(50000, "$50000.00")
264        self._test_currency(50000, "$50,000.00", grouping=True)
265        self._test_currency(50000, "USD 50,000.00",
266            grouping=True, international=True)
267
268
269class TestCNumberFormatting(CCookedTest, BaseFormattingTest):
270    # Test number formatting with a cooked "C" locale.
271
272    def test_grouping(self):
273        self._test_format_string("%.2f", 12345.67, grouping=True, out='12345.67')
274
275    def test_grouping_and_padding(self):
276        self._test_format_string("%9.2f", 12345.67, grouping=True, out=' 12345.67')
277
278
279class TestFrFRNumberFormatting(FrFRCookedTest, BaseFormattingTest):
280    # Test number formatting with a cooked "fr_FR" locale.
281
282    def test_decimal_point(self):
283        self._test_format_string("%.2f", 12345.67, out='12345,67')
284
285    def test_grouping(self):
286        self._test_format_string("%.2f", 345.67, grouping=True, out='345,67')
287        self._test_format_string("%.2f", 12345.67, grouping=True, out='12 345,67')
288
289    def test_grouping_and_padding(self):
290        self._test_format_string("%6.2f", 345.67, grouping=True, out='345,67')
291        self._test_format_string("%7.2f", 345.67, grouping=True, out=' 345,67')
292        self._test_format_string("%8.2f", 12345.67, grouping=True, out='12 345,67')
293        self._test_format_string("%9.2f", 12345.67, grouping=True, out='12 345,67')
294        self._test_format_string("%10.2f", 12345.67, grouping=True, out=' 12 345,67')
295        self._test_format_string("%-6.2f", 345.67, grouping=True, out='345,67')
296        self._test_format_string("%-7.2f", 345.67, grouping=True, out='345,67 ')
297        self._test_format_string("%-8.2f", 12345.67, grouping=True, out='12 345,67')
298        self._test_format_string("%-9.2f", 12345.67, grouping=True, out='12 345,67')
299        self._test_format_string("%-10.2f", 12345.67, grouping=True, out='12 345,67 ')
300
301    def test_integer_grouping(self):
302        self._test_format_string("%d", 200, grouping=True, out='200')
303        self._test_format_string("%d", 4200, grouping=True, out='4 200')
304
305    def test_integer_grouping_and_padding(self):
306        self._test_format_string("%4d", 4200, grouping=True, out='4 200')
307        self._test_format_string("%5d", 4200, grouping=True, out='4 200')
308        self._test_format_string("%10d", 4200, grouping=True, out='4 200'.rjust(10))
309        self._test_format_string("%-4d", 4200, grouping=True, out='4 200')
310        self._test_format_string("%-5d", 4200, grouping=True, out='4 200')
311        self._test_format_string("%-10d", 4200, grouping=True, out='4 200'.ljust(10))
312
313    def test_currency(self):
314        euro = '\u20ac'
315        self._test_currency(50000, "50000,00 " + euro)
316        self._test_currency(50000, "50 000,00 " + euro, grouping=True)
317        self._test_currency(50000, "50 000,00 EUR",
318            grouping=True, international=True)
319
320
321class TestCollation(unittest.TestCase):
322    # Test string collation functions
323
324    def test_strcoll(self):
325        self.assertLess(locale.strcoll('a', 'b'), 0)
326        self.assertEqual(locale.strcoll('a', 'a'), 0)
327        self.assertGreater(locale.strcoll('b', 'a'), 0)
328        # embedded null character
329        self.assertRaises(ValueError, locale.strcoll, 'a\0', 'a')
330        self.assertRaises(ValueError, locale.strcoll, 'a', 'a\0')
331
332    def test_strxfrm(self):
333        self.assertLess(locale.strxfrm('a'), locale.strxfrm('b'))
334        # embedded null character
335        self.assertRaises(ValueError, locale.strxfrm, 'a\0')
336
337
338class TestEnUSCollation(BaseLocalizedTest, TestCollation):
339    # Test string collation functions with a real English locale
340
341    locale_type = locale.LC_ALL
342
343    def setUp(self):
344        enc = codecs.lookup(locale.getencoding() or 'ascii').name
345        if enc not in ('utf-8', 'iso8859-1', 'cp1252'):
346            raise unittest.SkipTest('encoding not suitable')
347        if enc != 'iso8859-1' and (sys.platform == 'darwin' or is_android or
348                                   sys.platform.startswith('freebsd')):
349            raise unittest.SkipTest('wcscoll/wcsxfrm have known bugs')
350        BaseLocalizedTest.setUp(self)
351
352    @unittest.skipIf(sys.platform.startswith('aix'),
353                     'bpo-29972: broken test on AIX')
354    @unittest.skipIf(
355        is_emscripten or is_wasi,
356        "musl libc issue on Emscripten/WASI, bpo-46390"
357    )
358    @unittest.skipIf(sys.platform.startswith("netbsd"),
359                     "gh-124108: NetBSD doesn't support UTF-8 for LC_COLLATE")
360    def test_strcoll_with_diacritic(self):
361        self.assertLess(locale.strcoll('à', 'b'), 0)
362
363    @unittest.skipIf(sys.platform.startswith('aix'),
364                     'bpo-29972: broken test on AIX')
365    @unittest.skipIf(
366        is_emscripten or is_wasi,
367        "musl libc issue on Emscripten/WASI, bpo-46390"
368    )
369    @unittest.skipIf(sys.platform.startswith("netbsd"),
370                     "gh-124108: NetBSD doesn't support UTF-8 for LC_COLLATE")
371    def test_strxfrm_with_diacritic(self):
372        self.assertLess(locale.strxfrm('à'), locale.strxfrm('b'))
373
374
375class NormalizeTest(unittest.TestCase):
376    def check(self, localename, expected):
377        self.assertEqual(locale.normalize(localename), expected, msg=localename)
378
379    def test_locale_alias(self):
380        for localename, alias in locale.locale_alias.items():
381            with self.subTest(locale=(localename, alias)):
382                self.check(localename, alias)
383
384    def test_empty(self):
385        self.check('', '')
386
387    def test_c(self):
388        self.check('c', 'C')
389        self.check('posix', 'C')
390
391    def test_english(self):
392        self.check('en', 'en_US.ISO8859-1')
393        self.check('EN', 'en_US.ISO8859-1')
394        self.check('en.iso88591', 'en_US.ISO8859-1')
395        self.check('en_US', 'en_US.ISO8859-1')
396        self.check('en_us', 'en_US.ISO8859-1')
397        self.check('en_GB', 'en_GB.ISO8859-1')
398        self.check('en_US.UTF-8', 'en_US.UTF-8')
399        self.check('en_US.utf8', 'en_US.UTF-8')
400        self.check('en_US:UTF-8', 'en_US.UTF-8')
401        self.check('en_US.ISO8859-1', 'en_US.ISO8859-1')
402        self.check('en_US.US-ASCII', 'en_US.ISO8859-1')
403        self.check('en_US.88591', 'en_US.ISO8859-1')
404        self.check('en_US.885915', 'en_US.ISO8859-15')
405        self.check('english', 'en_EN.ISO8859-1')
406        self.check('english_uk.ascii', 'en_GB.ISO8859-1')
407
408    def test_hyphenated_encoding(self):
409        self.check('az_AZ.iso88599e', 'az_AZ.ISO8859-9E')
410        self.check('az_AZ.ISO8859-9E', 'az_AZ.ISO8859-9E')
411        self.check('tt_RU.koi8c', 'tt_RU.KOI8-C')
412        self.check('tt_RU.KOI8-C', 'tt_RU.KOI8-C')
413        self.check('lo_LA.cp1133', 'lo_LA.IBM-CP1133')
414        self.check('lo_LA.ibmcp1133', 'lo_LA.IBM-CP1133')
415        self.check('lo_LA.IBM-CP1133', 'lo_LA.IBM-CP1133')
416        self.check('uk_ua.microsoftcp1251', 'uk_UA.CP1251')
417        self.check('uk_ua.microsoft-cp1251', 'uk_UA.CP1251')
418        self.check('ka_ge.georgianacademy', 'ka_GE.GEORGIAN-ACADEMY')
419        self.check('ka_GE.GEORGIAN-ACADEMY', 'ka_GE.GEORGIAN-ACADEMY')
420        self.check('cs_CZ.iso88592', 'cs_CZ.ISO8859-2')
421        self.check('cs_CZ.ISO8859-2', 'cs_CZ.ISO8859-2')
422
423    def test_euro_modifier(self):
424        self.check('de_DE@euro', 'de_DE.ISO8859-15')
425        self.check('en_US.ISO8859-15@euro', 'en_US.ISO8859-15')
426        self.check('de_DE.utf8@euro', 'de_DE.UTF-8')
427
428    def test_latin_modifier(self):
429        self.check('be_BY.UTF-8@latin', 'be_BY.UTF-8@latin')
430        self.check('sr_RS.UTF-8@latin', 'sr_RS.UTF-8@latin')
431        self.check('sr_RS.UTF-8@latn', 'sr_RS.UTF-8@latin')
432
433    def test_valencia_modifier(self):
434        self.check('ca_ES.UTF-8@valencia', 'ca_ES.UTF-8@valencia')
435        self.check('ca_ES@valencia', 'ca_ES.UTF-8@valencia')
436        self.check('ca@valencia', 'ca_ES.ISO8859-1@valencia')
437
438    def test_devanagari_modifier(self):
439        self.check('ks_IN.UTF-8@devanagari', 'ks_IN.UTF-8@devanagari')
440        self.check('ks_IN@devanagari', 'ks_IN.UTF-8@devanagari')
441        self.check('ks@devanagari', 'ks_IN.UTF-8@devanagari')
442        self.check('ks_IN.UTF-8', 'ks_IN.UTF-8')
443        self.check('ks_IN', 'ks_IN.UTF-8')
444        self.check('ks', 'ks_IN.UTF-8')
445        self.check('sd_IN.UTF-8@devanagari', 'sd_IN.UTF-8@devanagari')
446        self.check('sd_IN@devanagari', 'sd_IN.UTF-8@devanagari')
447        self.check('sd@devanagari', 'sd_IN.UTF-8@devanagari')
448        self.check('sd_IN.UTF-8', 'sd_IN.UTF-8')
449        self.check('sd_IN', 'sd_IN.UTF-8')
450        self.check('sd', 'sd_IN.UTF-8')
451
452    def test_euc_encoding(self):
453        self.check('ja_jp.euc', 'ja_JP.eucJP')
454        self.check('ja_jp.eucjp', 'ja_JP.eucJP')
455        self.check('ko_kr.euc', 'ko_KR.eucKR')
456        self.check('ko_kr.euckr', 'ko_KR.eucKR')
457        self.check('zh_cn.euc', 'zh_CN.eucCN')
458        self.check('zh_tw.euc', 'zh_TW.eucTW')
459        self.check('zh_tw.euctw', 'zh_TW.eucTW')
460
461    def test_japanese(self):
462        self.check('ja', 'ja_JP.eucJP')
463        self.check('ja.jis', 'ja_JP.JIS7')
464        self.check('ja.sjis', 'ja_JP.SJIS')
465        self.check('ja_jp', 'ja_JP.eucJP')
466        self.check('ja_jp.ajec', 'ja_JP.eucJP')
467        self.check('ja_jp.euc', 'ja_JP.eucJP')
468        self.check('ja_jp.eucjp', 'ja_JP.eucJP')
469        self.check('ja_jp.iso-2022-jp', 'ja_JP.JIS7')
470        self.check('ja_jp.iso2022jp', 'ja_JP.JIS7')
471        self.check('ja_jp.jis', 'ja_JP.JIS7')
472        self.check('ja_jp.jis7', 'ja_JP.JIS7')
473        self.check('ja_jp.mscode', 'ja_JP.SJIS')
474        self.check('ja_jp.pck', 'ja_JP.SJIS')
475        self.check('ja_jp.sjis', 'ja_JP.SJIS')
476        self.check('ja_jp.ujis', 'ja_JP.eucJP')
477        self.check('ja_jp.utf8', 'ja_JP.UTF-8')
478        self.check('japan', 'ja_JP.eucJP')
479        self.check('japanese', 'ja_JP.eucJP')
480        self.check('japanese-euc', 'ja_JP.eucJP')
481        self.check('japanese.euc', 'ja_JP.eucJP')
482        self.check('japanese.sjis', 'ja_JP.SJIS')
483        self.check('jp_jp', 'ja_JP.eucJP')
484
485
486class TestMiscellaneous(unittest.TestCase):
487    def test_defaults_UTF8(self):
488        # Issue #18378: on (at least) macOS setting LC_CTYPE to "UTF-8" is
489        # valid. Furthermore LC_CTYPE=UTF is used by the UTF-8 locale coercing
490        # during interpreter startup (on macOS).
491        import _locale
492        import os
493
494        self.assertEqual(locale._parse_localename('UTF-8'), (None, 'UTF-8'))
495
496        if hasattr(_locale, '_getdefaultlocale'):
497            orig_getlocale = _locale._getdefaultlocale
498            del _locale._getdefaultlocale
499        else:
500            orig_getlocale = None
501
502        orig_env = {}
503        try:
504            for key in ('LC_ALL', 'LC_CTYPE', 'LANG', 'LANGUAGE'):
505                if key in os.environ:
506                    orig_env[key] = os.environ[key]
507                    del os.environ[key]
508
509            os.environ['LC_CTYPE'] = 'UTF-8'
510
511            with check_warnings(('', DeprecationWarning)):
512                self.assertEqual(locale.getdefaultlocale(), (None, 'UTF-8'))
513
514        finally:
515            for k in orig_env:
516                os.environ[k] = orig_env[k]
517
518            if 'LC_CTYPE' not in orig_env:
519                del os.environ['LC_CTYPE']
520
521            if orig_getlocale is not None:
522                _locale._getdefaultlocale = orig_getlocale
523
524    def test_getencoding(self):
525        # Invoke getencoding to make sure it does not cause exceptions.
526        enc = locale.getencoding()
527        self.assertIsInstance(enc, str)
528        self.assertNotEqual(enc, "")
529        # make sure it is valid
530        codecs.lookup(enc)
531
532    def test_getencoding_fallback(self):
533        # When _locale.getencoding() is missing, locale.getencoding() uses
534        # the Python filesystem
535        encoding = 'FALLBACK_ENCODING'
536        with mock.patch.object(sys, 'getfilesystemencoding',
537                               return_value=encoding):
538            locale_fallback = import_fresh_module('locale', blocked=['_locale'])
539            self.assertEqual(locale_fallback.getencoding(), encoding)
540
541    def test_getpreferredencoding(self):
542        # Invoke getpreferredencoding to make sure it does not cause exceptions.
543        enc = locale.getpreferredencoding()
544        if enc:
545            # If encoding non-empty, make sure it is valid
546            codecs.lookup(enc)
547
548    def test_strcoll_3303(self):
549        # test crasher from bug #3303
550        self.assertRaises(TypeError, locale.strcoll, "a", None)
551        self.assertRaises(TypeError, locale.strcoll, b"a", None)
552
553    def test_setlocale_category(self):
554        locale.setlocale(locale.LC_ALL)
555        locale.setlocale(locale.LC_TIME)
556        locale.setlocale(locale.LC_CTYPE)
557        locale.setlocale(locale.LC_COLLATE)
558        locale.setlocale(locale.LC_MONETARY)
559        locale.setlocale(locale.LC_NUMERIC)
560
561        # crasher from bug #7419
562        self.assertRaises(locale.Error, locale.setlocale, 12345)
563
564    def test_getsetlocale_issue1813(self):
565        # Issue #1813: setting and getting the locale under a Turkish locale
566        oldlocale = locale.setlocale(locale.LC_CTYPE)
567        self.addCleanup(locale.setlocale, locale.LC_CTYPE, oldlocale)
568        try:
569            locale.setlocale(locale.LC_CTYPE, 'tr_TR')
570        except locale.Error:
571            # Unsupported locale on this system
572            self.skipTest('test needs Turkish locale')
573        loc = locale.getlocale(locale.LC_CTYPE)
574        if verbose:
575            print('testing with %a' % (loc,), end=' ', flush=True)
576        try:
577            locale.setlocale(locale.LC_CTYPE, loc)
578        except locale.Error as exc:
579            # bpo-37945: setlocale(LC_CTYPE) fails with getlocale(LC_CTYPE)
580            # and the tr_TR locale on Windows. getlocale() builds a locale
581            # which is not recognize by setlocale().
582            self.skipTest(f"setlocale(LC_CTYPE, {loc!r}) failed: {exc!r}")
583        self.assertEqual(loc, locale.getlocale(locale.LC_CTYPE))
584
585    def test_invalid_locale_format_in_localetuple(self):
586        with self.assertRaises(TypeError):
587            locale.setlocale(locale.LC_ALL, b'fi_FI')
588
589    def test_invalid_iterable_in_localetuple(self):
590        with self.assertRaises(TypeError):
591            locale.setlocale(locale.LC_ALL, (b'not', b'valid'))
592
593
594class BaseDelocalizeTest(BaseLocalizedTest):
595
596    def _test_delocalize(self, value, out):
597        self.assertEqual(locale.delocalize(value), out)
598
599    def _test_atof(self, value, out):
600        self.assertEqual(locale.atof(value), out)
601
602    def _test_atoi(self, value, out):
603        self.assertEqual(locale.atoi(value), out)
604
605
606class TestEnUSDelocalize(EnUSCookedTest, BaseDelocalizeTest):
607
608    def test_delocalize(self):
609        self._test_delocalize('50000.00', '50000.00')
610        self._test_delocalize('50,000.00', '50000.00')
611
612    def test_atof(self):
613        self._test_atof('50000.00', 50000.)
614        self._test_atof('50,000.00', 50000.)
615
616    def test_atoi(self):
617        self._test_atoi('50000', 50000)
618        self._test_atoi('50,000', 50000)
619
620
621class TestCDelocalizeTest(CCookedTest, BaseDelocalizeTest):
622
623    def test_delocalize(self):
624        self._test_delocalize('50000.00', '50000.00')
625
626    def test_atof(self):
627        self._test_atof('50000.00', 50000.)
628
629    def test_atoi(self):
630        self._test_atoi('50000', 50000)
631
632
633class TestfrFRDelocalizeTest(FrFRCookedTest, BaseDelocalizeTest):
634
635    def test_delocalize(self):
636        self._test_delocalize('50000,00', '50000.00')
637        self._test_delocalize('50 000,00', '50000.00')
638
639    def test_atof(self):
640        self._test_atof('50000,00', 50000.)
641        self._test_atof('50 000,00', 50000.)
642
643    def test_atoi(self):
644        self._test_atoi('50000', 50000)
645        self._test_atoi('50 000', 50000)
646
647
648class BaseLocalizeTest(BaseLocalizedTest):
649
650    def _test_localize(self, value, out, grouping=False):
651        self.assertEqual(locale.localize(value, grouping=grouping), out)
652
653
654class TestEnUSLocalize(EnUSCookedTest, BaseLocalizeTest):
655
656    def test_localize(self):
657        self._test_localize('50000.00', '50000.00')
658        self._test_localize(
659            '{0:.16f}'.format(Decimal('1.15')), '1.1500000000000000')
660
661
662class TestCLocalize(CCookedTest, BaseLocalizeTest):
663
664    def test_localize(self):
665        self._test_localize('50000.00', '50000.00')
666
667
668class TestfrFRLocalize(FrFRCookedTest, BaseLocalizeTest):
669
670    def test_localize(self):
671        self._test_localize('50000.00', '50000,00')
672        self._test_localize('50000.00', '50 000,00', grouping=True)
673
674
675if __name__ == '__main__':
676    unittest.main()
677