1/* Self tests for ptid_t for GDB, the GNU debugger. 2 3 Copyright (C) 2017-2020 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 24namespace selftests { 25namespace 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 32static_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 36static_assert (!std::is_convertible<int, ptid_t>::value, 37 "constructor is explicit"); 38 39/* Build some useful ptids. */ 40 41static constexpr ptid_t pid = ptid_t (1); 42static constexpr ptid_t lwp = ptid_t (1, 2, 0); 43static constexpr ptid_t tid = ptid_t (1, 0, 2); 44static 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 50static constexpr ptid_t null = ptid_t::make_null (); 51static constexpr ptid_t minus_one = ptid_t::make_minus_one (); 52 53/* Verify pid. */ 54 55static_assert (pid.pid () == 1, "pid's pid is right"); 56static_assert (lwp.pid () == 1, "lwp's pid is right"); 57static_assert (tid.pid () == 1, "tid's pid is right"); 58static_assert (both.pid () == 1, "both's pid is right"); 59 60/* Verify lwp_p. */ 61 62static_assert (!pid.lwp_p (), "pid's lwp_p is right"); 63static_assert (lwp.lwp_p (), "lwp's lwp_p is right"); 64static_assert (!tid.lwp_p (), "tid's lwp_p is right"); 65static_assert (both.lwp_p (), "both's lwp_p is right"); 66 67/* Verify lwp. */ 68 69static_assert (pid.lwp () == 0, "pid's lwp is right"); 70static_assert (lwp.lwp () == 2, "lwp's lwp is right"); 71static_assert (tid.lwp () == 0, "tid's lwp is right"); 72static_assert (both.lwp () == 2, "both's lwp is right"); 73 74/* Verify tid_p. */ 75 76static_assert (!pid.tid_p (), "pid's tid_p is right"); 77static_assert (!lwp.tid_p (), "lwp's tid_p is right"); 78static_assert (tid.tid_p (), "tid's tid_p is right"); 79static_assert (both.tid_p (), "both's tid_p is right"); 80 81/* Verify tid. */ 82 83static_assert (pid.tid () == 0, "pid's tid is right"); 84static_assert (lwp.tid () == 0, "lwp's tid is right"); 85static_assert (tid.tid () == 2, "tid's tid is right"); 86static_assert (both.tid () == 2, "both's tid is right"); 87 88/* Verify is_pid. */ 89 90static_assert (pid.is_pid (), "pid is a pid"); 91static_assert (!lwp.is_pid (), "lwp isn't a pid"); 92static_assert (!tid.is_pid (), "tid isn't a pid"); 93static_assert (!both.is_pid (), "both isn't a pid"); 94static_assert (!null.is_pid (), "null ptid isn't a pid"); 95static_assert (!minus_one.is_pid (), "minus one ptid isn't a pid"); 96 97/* Verify operator ==. */ 98 99static_assert (pid == ptid_t (1, 0, 0), "pid operator== is right"); 100static_assert (lwp == ptid_t (1, 2, 0), "lwp operator== is right"); 101static_assert (tid == ptid_t (1, 0, 2), "tid operator== is right"); 102static_assert (both == ptid_t (1, 2, 2), "both operator== is right"); 103 104/* Verify operator !=. */ 105 106static_assert (pid != ptid_t (2, 0, 0), "pid isn't equal to a different pid"); 107static_assert (pid != lwp, "pid isn't equal to one of its thread"); 108static_assert (lwp != tid, "lwp isn't equal to tid"); 109static_assert (both != lwp, "both isn't equal to lwp"); 110static_assert (both != tid, "both isn't equal to tid"); 111 112/* Verify matches against minus_one. */ 113 114static_assert (pid.matches (minus_one), "pid matches minus one"); 115static_assert (lwp.matches (minus_one), "lwp matches minus one"); 116static_assert (tid.matches (minus_one), "tid matches minus one"); 117static_assert (both.matches (minus_one), "both matches minus one"); 118 119/* Verify matches against pid. */ 120 121static_assert (pid.matches (pid), "pid matches pid"); 122static_assert (lwp.matches (pid), "lwp matches pid"); 123static_assert (tid.matches (pid), "tid matches pid"); 124static_assert (both.matches (pid), "both matches pid"); 125static_assert (!ptid_t (2, 0, 0).matches (pid), "other pid doesn't match pid"); 126static_assert (!ptid_t (2, 2, 0).matches (pid), "other lwp doesn't match pid"); 127static_assert (!ptid_t (2, 0, 2).matches (pid), "other tid doesn't match pid"); 128static_assert (!ptid_t (2, 2, 2).matches (pid), "other both doesn't match pid"); 129 130/* Verify matches against exact matches. */ 131 132static_assert (!pid.matches (lwp), "pid doesn't match lwp"); 133static_assert (lwp.matches (lwp), "lwp matches lwp"); 134static_assert (!tid.matches (lwp), "tid doesn't match lwp"); 135static_assert (!both.matches (lwp), "both doesn't match lwp"); 136static_assert (!ptid_t (2, 2, 0).matches (lwp), "other lwp doesn't match lwp"); 137 138static_assert (!pid.matches (tid), "pid doesn't match tid"); 139static_assert (!lwp.matches (tid), "lwp doesn't match tid"); 140static_assert (tid.matches (tid), "tid matches tid"); 141static_assert (!both.matches (tid), "both doesn't match tid"); 142static_assert (!ptid_t (2, 0, 2).matches (tid), "other tid doesn't match tid"); 143 144static_assert (!pid.matches (both), "pid doesn't match both"); 145static_assert (!lwp.matches (both), "lwp doesn't match both"); 146static_assert (!tid.matches (both), "tid doesn't match both"); 147static_assert (both.matches (both), "both matches both"); 148static_assert (!ptid_t (2, 2, 2).matches (both), 149 "other both doesn't match both"); 150 151 152} /* namespace ptid */ 153} /* namespace selftests */ 154