| 1 | /* Self tests for string_view for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2018 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | /* No need to test string_view if we're using C++17, since we're going to use |
| 21 | the "real" version. */ |
| 22 | #if __cplusplus < 201703L |
| 23 | |
| 24 | #define GNULIB_NAMESPACE gnulib |
| 25 | |
| 26 | #include "defs.h" |
| 27 | #include "selftest.h" |
| 28 | #include "common/gdb_string_view.h" |
| 29 | |
| 30 | /* Used by the included .cc files below. Included here because the |
| 31 | included test files are wrapped in a namespace. */ |
| 32 | #include <string> |
| 33 | #include <sstream> |
| 34 | #include <fstream> |
| 35 | #include <iostream> |
| 36 | |
| 37 | /* libstdc++'s testsuite uses VERIFY. */ |
| 38 | #define VERIFY SELF_CHECK |
| 39 | |
| 40 | /* Used to disable testing features not supported by |
| 41 | gdb::string_view. */ |
| 42 | #define GDB_STRING_VIEW |
| 43 | |
| 44 | namespace selftests { |
| 45 | namespace string_view { |
| 46 | |
| 47 | /* The actual tests live in separate files, which were originally |
| 48 | copied over from libstdc++'s testsuite. To preserve the structure |
| 49 | and help with comparison with the original tests, the file names |
| 50 | have been preserved, and only minimal modification was done to have |
| 51 | them compile against gdb::string_view instead of std::string_view: |
| 52 | |
| 53 | - std::string_view->gdb::string_view, etc. |
| 54 | - ATTRIBUTE_UNUSED in a few places |
| 55 | - wrap each file in a namespace so they can all be compiled as a |
| 56 | single unit. |
| 57 | - libstdc++'s license and formatting style was preserved. |
| 58 | */ |
| 59 | |
| 60 | #include "basic_string_view/capacity/1.cc" |
| 61 | #include "basic_string_view/cons/char/1.cc" |
| 62 | #include "basic_string_view/cons/char/2.cc" |
| 63 | #include "basic_string_view/cons/char/3.cc" |
| 64 | #include "basic_string_view/element_access/char/1.cc" |
| 65 | #include "basic_string_view/element_access/char/empty.cc" |
| 66 | #include "basic_string_view/element_access/char/front_back.cc" |
| 67 | #include "basic_string_view/inserters/char/2.cc" |
| 68 | #include "basic_string_view/modifiers/remove_prefix/char/1.cc" |
| 69 | #include "basic_string_view/modifiers/remove_suffix/char/1.cc" |
| 70 | #include "basic_string_view/modifiers/swap/char/1.cc" |
| 71 | #include "basic_string_view/operations/compare/char/1.cc" |
| 72 | #include "basic_string_view/operations/compare/char/13650.cc" |
| 73 | #include "basic_string_view/operations/copy/char/1.cc" |
| 74 | #include "basic_string_view/operations/data/char/1.cc" |
| 75 | #include "basic_string_view/operations/find/char/1.cc" |
| 76 | #include "basic_string_view/operations/find/char/2.cc" |
| 77 | #include "basic_string_view/operations/find/char/3.cc" |
| 78 | #include "basic_string_view/operations/find/char/4.cc" |
| 79 | #include "basic_string_view/operations/rfind/char/1.cc" |
| 80 | #include "basic_string_view/operations/rfind/char/2.cc" |
| 81 | #include "basic_string_view/operations/rfind/char/3.cc" |
| 82 | #include "basic_string_view/operations/substr/char/1.cc" |
| 83 | #include "basic_string_view/operators/char/2.cc" |
| 84 | |
| 85 | static void |
| 86 | run_tests () |
| 87 | { |
| 88 | capacity_1::main (); |
| 89 | cons_1::main (); |
| 90 | cons_2::main (); |
| 91 | cons_3::main (); |
| 92 | element_access_1::main (); |
| 93 | element_access_empty::main (); |
| 94 | element_access_front_back::main (); |
| 95 | inserters_2::main (); |
| 96 | modifiers_remove_prefix::main (); |
| 97 | modifiers_remove_suffix::main (); |
| 98 | modifiers_swap::test01 (); |
| 99 | operations_compare_1::main (); |
| 100 | operations_compare_13650::main (); |
| 101 | operations_copy_1::main (); |
| 102 | operations_data_1::main (); |
| 103 | operations_find_1::main (); |
| 104 | operations_find_2::main (); |
| 105 | operations_find_3::main (); |
| 106 | operations_find_4::main (); |
| 107 | operations_rfind_1::main (); |
| 108 | operations_rfind_2::main (); |
| 109 | operations_rfind_3::main (); |
| 110 | operations_substr_1::main (); |
| 111 | operators_2::main (); |
| 112 | |
| 113 | constexpr gdb::string_view sv_empty; |
| 114 | SELF_CHECK (sv_empty.empty ()); |
| 115 | |
| 116 | std::string std_string = "fika"; |
| 117 | gdb::string_view sv1 (std_string); |
| 118 | SELF_CHECK (sv1 == "fika"); |
| 119 | |
| 120 | constexpr const char *fika = "fika"; |
| 121 | gdb::string_view sv2 (fika); |
| 122 | SELF_CHECK (sv2 == "fika"); |
| 123 | |
| 124 | constexpr gdb::string_view sv3 (fika, 3); |
| 125 | SELF_CHECK (sv3 == "fik"); |
| 126 | |
| 127 | constexpr gdb::string_view sv4 (sv3); |
| 128 | SELF_CHECK (sv4 == "fik"); |
| 129 | |
| 130 | constexpr gdb::string_view::iterator it_begin = sv4.begin (); |
| 131 | static_assert (*it_begin == 'f', ""); |
| 132 | |
| 133 | constexpr gdb::string_view::iterator it_end = sv4.end (); |
| 134 | static_assert (*it_end == 'a', ""); |
| 135 | |
| 136 | const gdb::string_view::reverse_iterator it_rbegin = sv4.rbegin (); |
| 137 | SELF_CHECK (*it_rbegin == 'k'); |
| 138 | |
| 139 | const gdb::string_view::reverse_iterator it_rend = sv4.rend (); |
| 140 | SELF_CHECK (*(it_rend - 1) == 'f'); |
| 141 | |
| 142 | constexpr gdb::string_view::size_type size = sv4.size (); |
| 143 | static_assert (size == 3, ""); |
| 144 | |
| 145 | constexpr gdb::string_view::size_type length = sv4.length (); |
| 146 | static_assert (length == 3, ""); |
| 147 | |
| 148 | constexpr gdb::string_view::size_type max_size = sv4.max_size (); |
| 149 | static_assert (max_size > 0, ""); |
| 150 | |
| 151 | constexpr bool empty = sv4.empty (); |
| 152 | static_assert (!empty, ""); |
| 153 | |
| 154 | constexpr char c1 = sv4[1]; |
| 155 | static_assert (c1 == 'i', ""); |
| 156 | |
| 157 | constexpr char c2 = sv4.at (2); |
| 158 | static_assert (c2 == 'k', ""); |
| 159 | |
| 160 | constexpr char front = sv4.front (); |
| 161 | static_assert (front == 'f', ""); |
| 162 | |
| 163 | constexpr char back = sv4.back (); |
| 164 | static_assert (back == 'k', ""); |
| 165 | |
| 166 | constexpr const char *data = sv4.data (); |
| 167 | static_assert (data == fika, ""); |
| 168 | } |
| 169 | |
| 170 | } /* namespace string_view */ |
| 171 | } /* namespace selftests */ |
| 172 | |
| 173 | void |
| 174 | _initialize_string_view_selftests () |
| 175 | { |
| 176 | selftests::register_test ("string_view", selftests::string_view::run_tests); |
| 177 | } |
| 178 | |
| 179 | #endif /* __cplusplus < 201703L */ |