| 1 | /* Self tests for ptid_t for GDB, the GNU debugger. |
| 2 | |
| 3 | Copyright (C) 2017-2019 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 | #include "defs.h" |
| 21 | #include "gdbsupport/ptid.h" |
| 22 | #include <type_traits> |
| 23 | |
| 24 | namespace selftests { |
| 25 | namespace ptid { |
| 26 | |
| 27 | /* Check that the ptid_t class is POD. |
| 28 | |
| 29 | This is a requirement for as long as we have ptids embedded in |
| 30 | structures allocated with malloc. */ |
| 31 | |
| 32 | static_assert (std::is_pod<ptid_t>::value, "ptid_t is POD"); |
| 33 | |
| 34 | /* We want to avoid implicit conversion from int to ptid_t. */ |
| 35 | |
| 36 | static_assert (!std::is_convertible<int, ptid_t>::value, |
| 37 | "constructor is explicit"); |
| 38 | |
| 39 | /* Build some useful ptids. */ |
| 40 | |
| 41 | static constexpr ptid_t pid = ptid_t (1); |
| 42 | static constexpr ptid_t lwp = ptid_t (1, 2, 0); |
| 43 | static constexpr ptid_t tid = ptid_t (1, 0, 2); |
| 44 | static constexpr ptid_t both = ptid_t (1, 2, 2); |
| 45 | |
| 46 | /* Build some constexpr version of null_ptid and minus_one_ptid to use in |
| 47 | static_assert. Once the real ones are made constexpr, we can get rid of |
| 48 | these. */ |
| 49 | |
| 50 | static constexpr ptid_t null = ptid_t::make_null (); |
| 51 | static constexpr ptid_t minus_one = ptid_t::make_minus_one (); |
| 52 | |
| 53 | /* Verify pid. */ |
| 54 | |
| 55 | static_assert (pid.pid () == 1, "pid's pid is right"); |
| 56 | static_assert (lwp.pid () == 1, "lwp's pid is right"); |
| 57 | static_assert (tid.pid () == 1, "tid's pid is right"); |
| 58 | static_assert (both.pid () == 1, "both's pid is right"); |
| 59 | |
| 60 | /* Verify lwp_p. */ |
| 61 | |
| 62 | static_assert (!pid.lwp_p (), "pid's lwp_p is right"); |
| 63 | static_assert (lwp.lwp_p (), "lwp's lwp_p is right"); |
| 64 | static_assert (!tid.lwp_p (), "tid's lwp_p is right"); |
| 65 | static_assert (both.lwp_p (), "both's lwp_p is right"); |
| 66 | |
| 67 | /* Verify lwp. */ |
| 68 | |
| 69 | static_assert (pid.lwp () == 0, "pid's lwp is right"); |
| 70 | static_assert (lwp.lwp () == 2, "lwp's lwp is right"); |
| 71 | static_assert (tid.lwp () == 0, "tid's lwp is right"); |
| 72 | static_assert (both.lwp () == 2, "both's lwp is right"); |
| 73 | |
| 74 | /* Verify tid_p. */ |
| 75 | |
| 76 | static_assert (!pid.tid_p (), "pid's tid_p is right"); |
| 77 | static_assert (!lwp.tid_p (), "lwp's tid_p is right"); |
| 78 | static_assert (tid.tid_p (), "tid's tid_p is right"); |
| 79 | static_assert (both.tid_p (), "both's tid_p is right"); |
| 80 | |
| 81 | /* Verify tid. */ |
| 82 | |
| 83 | static_assert (pid.tid () == 0, "pid's tid is right"); |
| 84 | static_assert (lwp.tid () == 0, "lwp's tid is right"); |
| 85 | static_assert (tid.tid () == 2, "tid's tid is right"); |
| 86 | static_assert (both.tid () == 2, "both's tid is right"); |
| 87 | |
| 88 | /* Verify is_pid. */ |
| 89 | |
| 90 | static_assert (pid.is_pid (), "pid is a pid"); |
| 91 | static_assert (!lwp.is_pid (), "lwp isn't a pid"); |
| 92 | static_assert (!tid.is_pid (), "tid isn't a pid"); |
| 93 | static_assert (!both.is_pid (), "both isn't a pid"); |
| 94 | static_assert (!null.is_pid (), "null ptid isn't a pid"); |
| 95 | static_assert (!minus_one.is_pid (), "minus one ptid isn't a pid"); |
| 96 | |
| 97 | /* Verify operator ==. */ |
| 98 | |
| 99 | static_assert (pid == ptid_t (1, 0, 0), "pid operator== is right"); |
| 100 | static_assert (lwp == ptid_t (1, 2, 0), "lwp operator== is right"); |
| 101 | static_assert (tid == ptid_t (1, 0, 2), "tid operator== is right"); |
| 102 | static_assert (both == ptid_t (1, 2, 2), "both operator== is right"); |
| 103 | |
| 104 | /* Verify operator !=. */ |
| 105 | |
| 106 | static_assert (pid != ptid_t (2, 0, 0), "pid isn't equal to a different pid"); |
| 107 | static_assert (pid != lwp, "pid isn't equal to one of its thread"); |
| 108 | static_assert (lwp != tid, "lwp isn't equal to tid"); |
| 109 | static_assert (both != lwp, "both isn't equal to lwp"); |
| 110 | static_assert (both != tid, "both isn't equal to tid"); |
| 111 | |
| 112 | /* Verify matches against minus_one. */ |
| 113 | |
| 114 | static_assert (pid.matches (minus_one), "pid matches minus one"); |
| 115 | static_assert (lwp.matches (minus_one), "lwp matches minus one"); |
| 116 | static_assert (tid.matches (minus_one), "tid matches minus one"); |
| 117 | static_assert (both.matches (minus_one), "both matches minus one"); |
| 118 | |
| 119 | /* Verify matches against pid. */ |
| 120 | |
| 121 | static_assert (pid.matches (pid), "pid matches pid"); |
| 122 | static_assert (lwp.matches (pid), "lwp matches pid"); |
| 123 | static_assert (tid.matches (pid), "tid matches pid"); |
| 124 | static_assert (both.matches (pid), "both matches pid"); |
| 125 | static_assert (!ptid_t (2, 0, 0).matches (pid), "other pid doesn't match pid"); |
| 126 | static_assert (!ptid_t (2, 2, 0).matches (pid), "other lwp doesn't match pid"); |
| 127 | static_assert (!ptid_t (2, 0, 2).matches (pid), "other tid doesn't match pid"); |
| 128 | static_assert (!ptid_t (2, 2, 2).matches (pid), "other both doesn't match pid"); |
| 129 | |
| 130 | /* Verify matches against exact matches. */ |
| 131 | |
| 132 | static_assert (!pid.matches (lwp), "pid doesn't match lwp"); |
| 133 | static_assert (lwp.matches (lwp), "lwp matches lwp"); |
| 134 | static_assert (!tid.matches (lwp), "tid doesn't match lwp"); |
| 135 | static_assert (!both.matches (lwp), "both doesn't match lwp"); |
| 136 | static_assert (!ptid_t (2, 2, 0).matches (lwp), "other lwp doesn't match lwp"); |
| 137 | |
| 138 | static_assert (!pid.matches (tid), "pid doesn't match tid"); |
| 139 | static_assert (!lwp.matches (tid), "lwp doesn't match tid"); |
| 140 | static_assert (tid.matches (tid), "tid matches tid"); |
| 141 | static_assert (!both.matches (tid), "both doesn't match tid"); |
| 142 | static_assert (!ptid_t (2, 0, 2).matches (tid), "other tid doesn't match tid"); |
| 143 | |
| 144 | static_assert (!pid.matches (both), "pid doesn't match both"); |
| 145 | static_assert (!lwp.matches (both), "lwp doesn't match both"); |
| 146 | static_assert (!tid.matches (both), "tid doesn't match both"); |
| 147 | static_assert (both.matches (both), "both matches both"); |
| 148 | static_assert (!ptid_t (2, 2, 2).matches (both), |
| 149 | "other both doesn't match both"); |
| 150 | |
| 151 | |
| 152 | } /* namespace ptid */ |
| 153 | } /* namespace selftests */ |