gnu / binutils-gdb / 2786ef85faf16c13029548832c4e4b025bf2624c / . / gdb / unittests / ptid-selftests.c

/* Self tests for ptid_t for GDB, the GNU debugger. | |

Copyright (C) 2017-2021 Free Software Foundation, Inc. | |

This file is part of GDB. | |

This program is free software; you can redistribute it and/or modify | |

it under the terms of the GNU General Public License as published by | |

the Free Software Foundation; either version 3 of the License, or | |

(at your option) any later version. | |

This program is distributed in the hope that it will be useful, | |

but WITHOUT ANY WARRANTY; without even the implied warranty of | |

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |

GNU General Public License for more details. | |

You should have received a copy of the GNU General Public License | |

along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |

#include "defs.h" | |

#include "gdbsupport/ptid.h" | |

#include <type_traits> | |

namespace selftests { | |

namespace ptid { | |

/* Check that the ptid_t class is POD. | |

This is a requirement for as long as we have ptids embedded in | |

structures allocated with malloc. */ | |

static_assert (std::is_pod<ptid_t>::value, "ptid_t is POD"); | |

/* We want to avoid implicit conversion from int to ptid_t. */ | |

static_assert (!std::is_convertible<int, ptid_t>::value, | |

"constructor is explicit"); | |

/* Build some useful ptids. */ | |

static constexpr ptid_t pid = ptid_t (1); | |

static constexpr ptid_t lwp = ptid_t (1, 2, 0); | |

static constexpr ptid_t tid = ptid_t (1, 0, 2); | |

static constexpr ptid_t both = ptid_t (1, 2, 2); | |

/* Build some constexpr version of null_ptid and minus_one_ptid to use in | |

static_assert. Once the real ones are made constexpr, we can get rid of | |

these. */ | |

static constexpr ptid_t null = ptid_t::make_null (); | |

static constexpr ptid_t minus_one = ptid_t::make_minus_one (); | |

/* Verify pid. */ | |

static_assert (pid.pid () == 1, "pid's pid is right"); | |

static_assert (lwp.pid () == 1, "lwp's pid is right"); | |

static_assert (tid.pid () == 1, "tid's pid is right"); | |

static_assert (both.pid () == 1, "both's pid is right"); | |

/* Verify lwp_p. */ | |

static_assert (!pid.lwp_p (), "pid's lwp_p is right"); | |

static_assert (lwp.lwp_p (), "lwp's lwp_p is right"); | |

static_assert (!tid.lwp_p (), "tid's lwp_p is right"); | |

static_assert (both.lwp_p (), "both's lwp_p is right"); | |

/* Verify lwp. */ | |

static_assert (pid.lwp () == 0, "pid's lwp is right"); | |

static_assert (lwp.lwp () == 2, "lwp's lwp is right"); | |

static_assert (tid.lwp () == 0, "tid's lwp is right"); | |

static_assert (both.lwp () == 2, "both's lwp is right"); | |

/* Verify tid_p. */ | |

static_assert (!pid.tid_p (), "pid's tid_p is right"); | |

static_assert (!lwp.tid_p (), "lwp's tid_p is right"); | |

static_assert (tid.tid_p (), "tid's tid_p is right"); | |

static_assert (both.tid_p (), "both's tid_p is right"); | |

/* Verify tid. */ | |

static_assert (pid.tid () == 0, "pid's tid is right"); | |

static_assert (lwp.tid () == 0, "lwp's tid is right"); | |

static_assert (tid.tid () == 2, "tid's tid is right"); | |

static_assert (both.tid () == 2, "both's tid is right"); | |

/* Verify is_pid. */ | |

static_assert (pid.is_pid (), "pid is a pid"); | |

static_assert (!lwp.is_pid (), "lwp isn't a pid"); | |

static_assert (!tid.is_pid (), "tid isn't a pid"); | |

static_assert (!both.is_pid (), "both isn't a pid"); | |

static_assert (!null.is_pid (), "null ptid isn't a pid"); | |

static_assert (!minus_one.is_pid (), "minus one ptid isn't a pid"); | |

/* Verify operator ==. */ | |

static_assert (pid == ptid_t (1, 0, 0), "pid operator== is right"); | |

static_assert (lwp == ptid_t (1, 2, 0), "lwp operator== is right"); | |

static_assert (tid == ptid_t (1, 0, 2), "tid operator== is right"); | |

static_assert (both == ptid_t (1, 2, 2), "both operator== is right"); | |

/* Verify operator !=. */ | |

static_assert (pid != ptid_t (2, 0, 0), "pid isn't equal to a different pid"); | |

static_assert (pid != lwp, "pid isn't equal to one of its thread"); | |

static_assert (lwp != tid, "lwp isn't equal to tid"); | |

static_assert (both != lwp, "both isn't equal to lwp"); | |

static_assert (both != tid, "both isn't equal to tid"); | |

/* Verify matches against minus_one. */ | |

static_assert (pid.matches (minus_one), "pid matches minus one"); | |

static_assert (lwp.matches (minus_one), "lwp matches minus one"); | |

static_assert (tid.matches (minus_one), "tid matches minus one"); | |

static_assert (both.matches (minus_one), "both matches minus one"); | |

/* Verify matches against pid. */ | |

static_assert (pid.matches (pid), "pid matches pid"); | |

static_assert (lwp.matches (pid), "lwp matches pid"); | |

static_assert (tid.matches (pid), "tid matches pid"); | |

static_assert (both.matches (pid), "both matches pid"); | |

static_assert (!ptid_t (2, 0, 0).matches (pid), "other pid doesn't match pid"); | |

static_assert (!ptid_t (2, 2, 0).matches (pid), "other lwp doesn't match pid"); | |

static_assert (!ptid_t (2, 0, 2).matches (pid), "other tid doesn't match pid"); | |

static_assert (!ptid_t (2, 2, 2).matches (pid), "other both doesn't match pid"); | |

/* Verify matches against exact matches. */ | |

static_assert (!pid.matches (lwp), "pid doesn't match lwp"); | |

static_assert (lwp.matches (lwp), "lwp matches lwp"); | |

static_assert (!tid.matches (lwp), "tid doesn't match lwp"); | |

static_assert (!both.matches (lwp), "both doesn't match lwp"); | |

static_assert (!ptid_t (2, 2, 0).matches (lwp), "other lwp doesn't match lwp"); | |

static_assert (!pid.matches (tid), "pid doesn't match tid"); | |

static_assert (!lwp.matches (tid), "lwp doesn't match tid"); | |

static_assert (tid.matches (tid), "tid matches tid"); | |

static_assert (!both.matches (tid), "both doesn't match tid"); | |

static_assert (!ptid_t (2, 0, 2).matches (tid), "other tid doesn't match tid"); | |

static_assert (!pid.matches (both), "pid doesn't match both"); | |

static_assert (!lwp.matches (both), "lwp doesn't match both"); | |

static_assert (!tid.matches (both), "tid doesn't match both"); | |

static_assert (both.matches (both), "both matches both"); | |

static_assert (!ptid_t (2, 2, 2).matches (both), | |

"other both doesn't match both"); | |

} /* namespace ptid */ | |

} /* namespace selftests */ |