1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <errno.h>
20 #include <limits.h>
21 #include <locale.h>
22
TEST(locale,localeconv)23 TEST(locale, localeconv) {
24 EXPECT_STREQ(".", localeconv()->decimal_point);
25 EXPECT_STREQ("", localeconv()->thousands_sep);
26 EXPECT_STREQ("", localeconv()->grouping);
27 EXPECT_STREQ("", localeconv()->int_curr_symbol);
28 EXPECT_STREQ("", localeconv()->currency_symbol);
29 EXPECT_STREQ("", localeconv()->mon_decimal_point);
30 EXPECT_STREQ("", localeconv()->mon_thousands_sep);
31 EXPECT_STREQ("", localeconv()->mon_grouping);
32 EXPECT_STREQ("", localeconv()->positive_sign);
33 EXPECT_STREQ("", localeconv()->negative_sign);
34 EXPECT_EQ(CHAR_MAX, localeconv()->int_frac_digits);
35 EXPECT_EQ(CHAR_MAX, localeconv()->frac_digits);
36 EXPECT_EQ(CHAR_MAX, localeconv()->p_cs_precedes);
37 EXPECT_EQ(CHAR_MAX, localeconv()->p_sep_by_space);
38 EXPECT_EQ(CHAR_MAX, localeconv()->n_cs_precedes);
39 EXPECT_EQ(CHAR_MAX, localeconv()->n_sep_by_space);
40 EXPECT_EQ(CHAR_MAX, localeconv()->p_sign_posn);
41 EXPECT_EQ(CHAR_MAX, localeconv()->n_sign_posn);
42 EXPECT_EQ(CHAR_MAX, localeconv()->int_p_cs_precedes);
43 EXPECT_EQ(CHAR_MAX, localeconv()->int_p_sep_by_space);
44 EXPECT_EQ(CHAR_MAX, localeconv()->int_n_cs_precedes);
45 EXPECT_EQ(CHAR_MAX, localeconv()->int_n_sep_by_space);
46 EXPECT_EQ(CHAR_MAX, localeconv()->int_p_sign_posn);
47 EXPECT_EQ(CHAR_MAX, localeconv()->int_n_sign_posn);
48 }
49
TEST(locale,setlocale)50 TEST(locale, setlocale) {
51 EXPECT_STREQ("C.UTF-8", setlocale(LC_ALL, nullptr));
52 EXPECT_STREQ("C.UTF-8", setlocale(LC_CTYPE, nullptr));
53
54 errno = 0;
55 EXPECT_EQ(nullptr, setlocale(-1, nullptr));
56 EXPECT_EQ(EINVAL, errno);
57 errno = 0;
58 EXPECT_EQ(nullptr, setlocale(13, nullptr));
59 EXPECT_EQ(EINVAL, errno);
60
61 #if defined(__BIONIC__)
62 // The "" locale is implementation-defined. For bionic, it's the C.UTF-8 locale, which is
63 // pretty much all we support anyway.
64 // glibc will give us something like "en_US.UTF-8", depending on the user's configuration.
65 EXPECT_STREQ("C.UTF-8", setlocale(LC_ALL, ""));
66 #endif
67 EXPECT_STREQ("C", setlocale(LC_ALL, "C"));
68 EXPECT_STREQ("C", setlocale(LC_ALL, "POSIX"));
69
70 errno = 0;
71 EXPECT_EQ(nullptr, setlocale(LC_ALL, "this-is-not-a-locale"));
72 EXPECT_EQ(ENOENT, errno); // POSIX specified, not an implementation detail!
73 }
74
TEST(locale,newlocale_invalid_category_mask)75 TEST(locale, newlocale_invalid_category_mask) {
76 errno = 0;
77 EXPECT_EQ(nullptr, newlocale(1 << 20, "C", nullptr));
78 EXPECT_EQ(EINVAL, errno);
79 }
80
TEST(locale,newlocale_NULL_locale_name)81 TEST(locale, newlocale_NULL_locale_name) {
82 #pragma clang diagnostic push
83 #pragma clang diagnostic ignored "-Wnonnull"
84 errno = 0;
85 EXPECT_EQ(nullptr, newlocale(LC_ALL, nullptr, nullptr));
86 EXPECT_EQ(EINVAL, errno);
87 #pragma clang diagnostic pop
88 }
89
TEST(locale,newlocale_bad_locale_name)90 TEST(locale, newlocale_bad_locale_name) {
91 errno = 0;
92 EXPECT_EQ(nullptr, newlocale(LC_ALL, "this-is-not-a-locale", nullptr));
93 EXPECT_EQ(ENOENT, errno); // POSIX specified, not an implementation detail!
94 }
95
TEST(locale,newlocale)96 TEST(locale, newlocale) {
97 locale_t l = newlocale(LC_ALL, "C", nullptr);
98 ASSERT_TRUE(l != nullptr);
99 freelocale(l);
100 }
101
TEST(locale,duplocale)102 TEST(locale, duplocale) {
103 locale_t cloned_global = duplocale(LC_GLOBAL_LOCALE);
104 ASSERT_TRUE(cloned_global != nullptr);
105 freelocale(cloned_global);
106 }
107
TEST(locale,uselocale)108 TEST(locale, uselocale) {
109 locale_t original = uselocale(nullptr);
110 EXPECT_FALSE(original == nullptr);
111 EXPECT_EQ(LC_GLOBAL_LOCALE, original);
112
113 locale_t n = newlocale(LC_ALL, "C", nullptr);
114 EXPECT_FALSE(n == nullptr);
115 EXPECT_FALSE(n == original);
116
117 locale_t old = uselocale(n);
118 EXPECT_TRUE(old == original);
119
120 EXPECT_EQ(n, uselocale(nullptr));
121 }
122
TEST(locale,mb_cur_max)123 TEST(locale, mb_cur_max) {
124 // We can't reliably test the behavior with setlocale(3) or the behavior for
125 // initial program conditions because (unless we're the only test that was
126 // run), another test has almost certainly called uselocale(3) in this thread.
127 // See b/16685652.
128 locale_t cloc = newlocale(LC_ALL, "C", nullptr);
129 locale_t cloc_utf8 = newlocale(LC_ALL, "C.UTF-8", nullptr);
130
131 locale_t old_locale = uselocale(cloc);
132 ASSERT_EQ(1U, MB_CUR_MAX);
133 uselocale(cloc_utf8);
134 ASSERT_EQ(4U, MB_CUR_MAX);
135
136 uselocale(old_locale);
137 freelocale(cloc);
138 freelocale(cloc_utf8);
139 }
140