• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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, NULL));
52   EXPECT_STREQ("C.UTF-8", setlocale(LC_CTYPE, NULL));
53 
54   errno = 0;
55   EXPECT_EQ(NULL, setlocale(-1, NULL));
56   EXPECT_EQ(EINVAL, errno);
57   errno = 0;
58   EXPECT_EQ(NULL, setlocale(13, NULL));
59   EXPECT_EQ(EINVAL, errno);
60 
61 #if defined(__BIONIC__)
62   // The "" locale is implementation-defined. For bionic, it's the C locale.
63   // glibc will give us something like "en_US.UTF-8", depending on the user's configuration.
64   EXPECT_STREQ("C", setlocale(LC_ALL, ""));
65 #endif
66   EXPECT_STREQ("C", setlocale(LC_ALL, "C"));
67   EXPECT_STREQ("C", setlocale(LC_ALL, "POSIX"));
68 
69   errno = 0;
70   EXPECT_EQ(NULL, setlocale(LC_ALL, "this-is-not-a-locale"));
71   EXPECT_EQ(ENOENT, errno); // POSIX specified, not an implementation detail!
72 }
73 
TEST(locale,newlocale_invalid_category_mask)74 TEST(locale, newlocale_invalid_category_mask) {
75   errno = 0;
76   EXPECT_EQ(0, newlocale(1 << 20, "C", 0));
77   EXPECT_EQ(EINVAL, errno);
78 }
79 
TEST(locale,newlocale_NULL_locale_name)80 TEST(locale, newlocale_NULL_locale_name) {
81   errno = 0;
82   EXPECT_EQ(0, newlocale(LC_ALL, NULL, 0));
83   EXPECT_EQ(EINVAL, errno);
84 }
85 
TEST(locale,newlocale_bad_locale_name)86 TEST(locale, newlocale_bad_locale_name) {
87   errno = 0;
88   EXPECT_EQ(0, newlocale(LC_ALL, "this-is-not-a-locale", 0));
89   EXPECT_EQ(ENOENT, errno); // POSIX specified, not an implementation detail!
90 }
91 
TEST(locale,newlocale)92 TEST(locale, newlocale) {
93   locale_t l = newlocale(LC_ALL, "C", 0);
94   ASSERT_TRUE(l != NULL);
95   freelocale(l);
96 }
97 
TEST(locale,duplocale)98 TEST(locale, duplocale) {
99   locale_t cloned_global = duplocale(LC_GLOBAL_LOCALE);
100   ASSERT_TRUE(cloned_global != NULL);
101   freelocale(cloned_global);
102 }
103 
TEST(locale,uselocale)104 TEST(locale, uselocale) {
105   locale_t original = uselocale(NULL);
106   EXPECT_FALSE(original == 0);
107   EXPECT_EQ(LC_GLOBAL_LOCALE, original);
108 
109   locale_t n = newlocale(LC_ALL, "C", 0);
110   EXPECT_FALSE(n == 0);
111   EXPECT_FALSE(n == original);
112 
113   locale_t old = uselocale(n);
114   EXPECT_TRUE(old == original);
115 
116   EXPECT_EQ(n, uselocale(NULL));
117 }
118 
TEST(locale,mb_cur_max)119 TEST(locale, mb_cur_max) {
120   // We can't reliably test the behavior with setlocale(3) or the behavior for
121   // initial program conditions because (unless we're the only test that was
122   // run), another test has almost certainly called uselocale(3) in this thread.
123   // See b/16685652.
124   locale_t cloc = newlocale(LC_ALL, "C", 0);
125   locale_t cloc_utf8 = newlocale(LC_ALL, "C.UTF-8", 0);
126 
127   locale_t old_locale = uselocale(cloc);
128   ASSERT_EQ(1U, MB_CUR_MAX);
129   uselocale(cloc_utf8);
130   ASSERT_EQ(4U, MB_CUR_MAX);
131 
132   uselocale(old_locale);
133   freelocale(cloc);
134   freelocale(cloc_utf8);
135 }
136