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
23TEST(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
50TEST(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
74TEST(locale, newlocale) {
75  errno = 0;
76  EXPECT_EQ(0, newlocale(1 << 20, "C", 0));
77  EXPECT_EQ(EINVAL, errno);
78
79  locale_t l = newlocale(LC_ALL, "C", 0);
80  ASSERT_TRUE(l != NULL);
81  freelocale(l);
82
83  errno = 0;
84  EXPECT_EQ(0, newlocale(LC_ALL, "this-is-not-a-locale", 0));
85  EXPECT_EQ(ENOENT, errno); // POSIX specified, not an implementation detail!
86}
87
88TEST(locale, duplocale) {
89  locale_t cloned_global = duplocale(LC_GLOBAL_LOCALE);
90  ASSERT_TRUE(cloned_global != NULL);
91  freelocale(cloned_global);
92}
93
94TEST(locale, uselocale) {
95  locale_t original = uselocale(NULL);
96  EXPECT_FALSE(original == 0);
97  EXPECT_EQ(LC_GLOBAL_LOCALE, original);
98
99  locale_t n = newlocale(LC_ALL, "C", 0);
100  EXPECT_FALSE(n == 0);
101  EXPECT_FALSE(n == original);
102
103  locale_t old = uselocale(n);
104  EXPECT_TRUE(old == original);
105
106  EXPECT_EQ(n, uselocale(NULL));
107}
108
109TEST(locale, mb_cur_max) {
110  // We can't reliably test the behavior with setlocale(3) or the behavior for
111  // initial program conditions because (unless we're the only test that was
112  // run), another test has almost certainly called uselocale(3) in this thread.
113  // See b/16685652.
114  locale_t cloc = newlocale(LC_ALL, "C", 0);
115  locale_t cloc_utf8 = newlocale(LC_ALL, "C.UTF-8", 0);
116
117  locale_t old_locale = uselocale(cloc);
118  ASSERT_EQ(1U, MB_CUR_MAX);
119  uselocale(cloc_utf8);
120  ASSERT_EQ(4U, MB_CUR_MAX);
121
122  uselocale(old_locale);
123  freelocale(cloc);
124  freelocale(cloc_utf8);
125}
126