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_invalid_category_mask) { 75 errno = 0; 76 EXPECT_EQ(0, newlocale(1 << 20, "C", 0)); 77 EXPECT_EQ(EINVAL, errno); 78} 79 80TEST(locale, newlocale_NULL_locale_name) { 81 errno = 0; 82 EXPECT_EQ(0, newlocale(LC_ALL, NULL, 0)); 83 EXPECT_EQ(EINVAL, errno); 84} 85 86TEST(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 92TEST(locale, newlocale) { 93 locale_t l = newlocale(LC_ALL, "C", 0); 94 ASSERT_TRUE(l != NULL); 95 freelocale(l); 96} 97 98TEST(locale, duplocale) { 99 locale_t cloned_global = duplocale(LC_GLOBAL_LOCALE); 100 ASSERT_TRUE(cloned_global != NULL); 101 freelocale(cloned_global); 102} 103 104TEST(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 119TEST(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