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 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 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 74 TEST(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 88 TEST(locale, duplocale) { 89 locale_t cloned_global = duplocale(LC_GLOBAL_LOCALE); 90 ASSERT_TRUE(cloned_global != NULL); 91 freelocale(cloned_global); 92 } 93 94 TEST(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 } 108 109 TEST(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
