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1 | /* Self tests for ptid_t for GDB, the GNU debugger. |
2 | ||
e2882c85 | 3 | Copyright (C) 2017-2018 Free Software Foundation, Inc. |
436252de SM |
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 "common/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 | ||
6670ec13 | 132 | static_assert (!pid.matches (lwp), "pid doesn't match lwp"); |
436252de | 133 | static_assert (lwp.matches (lwp), "lwp matches lwp"); |
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134 | static_assert (!tid.matches (lwp), "tid doesn't match lwp"); |
135 | static_assert (!both.matches (lwp), "both doesn't match lwp"); | |
436252de SM |
136 | static_assert (!ptid_t (2, 2, 0).matches (lwp), "other lwp doesn't match lwp"); |
137 | ||
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138 | static_assert (!pid.matches (tid), "pid doesn't match tid"); |
139 | static_assert (!lwp.matches (tid), "lwp doesn't match tid"); | |
436252de | 140 | static_assert (tid.matches (tid), "tid matches tid"); |
6670ec13 | 141 | static_assert (!both.matches (tid), "both doesn't match tid"); |
436252de SM |
142 | static_assert (!ptid_t (2, 0, 2).matches (tid), "other tid doesn't match tid"); |
143 | ||
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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"); | |
436252de SM |
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 */ |