xref: /freebsd/lib/csu/tests/cxx_constructors.cc (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2018 Andrew Turner
5  *
6  * This software was developed by SRI International and the University of
7  * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
8  * ("CTSRD"), as part of the DARPA CRASH research programme.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #include <sys/types.h>
34 #include <sys/wait.h>
35 
36 #include <errno.h>
37 #include <stdlib.h>
38 #include <unistd.h>
39 
40 #ifndef DSO_LIB
41 #include <atf-c++.hpp>
42 #endif
43 
44 extern volatile int constructor_run;
45 extern bool run_destructor_test;
46 
47 #ifndef DSO_BASE
48 volatile int constructor_run;
49 bool run_destructor_test = false;
50 #endif
51 
52 struct Foo {
53 	Foo() {
54 		constructor_run = 1;
55 	}
56 	~Foo() {
57 		if (run_destructor_test)
58 			_exit(1);
59 	}
60 };
61 extern Foo foo;
62 
63 #ifndef DSO_BASE
64 Foo foo;
65 #endif
66 
67 #ifndef DSO_LIB
68 ATF_TEST_CASE_WITHOUT_HEAD(cxx_constructor);
69 ATF_TEST_CASE_BODY(cxx_constructor)
70 {
71 
72 	ATF_REQUIRE(constructor_run == 1);
73 }
74 
75 ATF_TEST_CASE_WITHOUT_HEAD(cxx_destructor);
76 ATF_TEST_CASE_BODY(cxx_destructor)
77 {
78 	pid_t pid, wpid;
79 	int status;
80 
81 	pid = fork();
82 	switch(pid) {
83 	case -1:
84 		break;
85 	case 0:
86 		run_destructor_test = true;
87 		exit(0);
88 	default:
89 		while ((wpid = waitpid(pid, &status, 0)) == -1 &&
90 		    errno == EINTR)
91 			;
92 		ATF_REQUIRE(WEXITSTATUS(status) == 1);
93 		break;
94 	}
95 }
96 
97 ATF_INIT_TEST_CASES(tcs)
98 {
99 
100 	ATF_ADD_TEST_CASE(tcs, cxx_constructor);
101 	ATF_ADD_TEST_CASE(tcs, cxx_destructor);
102 }
103 #endif
104