xref: /freebsd/lib/csu/tests/cxx_constructors.cc (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
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 __FBSDID("$FreeBSD$");
34 
35 #include <sys/types.h>
36 #include <sys/wait.h>
37 
38 #include <errno.h>
39 #include <stdlib.h>
40 #include <unistd.h>
41 
42 #ifndef DSO_LIB
43 #include <atf-c++.hpp>
44 #endif
45 
46 extern volatile int constructor_run;
47 extern bool run_destructor_test;
48 
49 #ifndef DSO_BASE
50 volatile int constructor_run;
51 bool run_destructor_test = false;
52 #endif
53 
54 struct Foo {
55 	Foo() {
56 		constructor_run = 1;
57 	}
58 	~Foo() {
59 		if (run_destructor_test)
60 			_exit(1);
61 	}
62 };
63 extern Foo foo;
64 
65 #ifndef DSO_BASE
66 Foo foo;
67 #endif
68 
69 #ifndef DSO_LIB
70 ATF_TEST_CASE_WITHOUT_HEAD(cxx_constructor);
71 ATF_TEST_CASE_BODY(cxx_constructor)
72 {
73 
74 	ATF_REQUIRE(constructor_run == 1);
75 }
76 
77 ATF_TEST_CASE_WITHOUT_HEAD(cxx_destructor);
78 ATF_TEST_CASE_BODY(cxx_destructor)
79 {
80 	pid_t pid, wpid;
81 	int status;
82 
83 	pid = fork();
84 	switch(pid) {
85 	case -1:
86 		break;
87 	case 0:
88 		run_destructor_test = true;
89 		exit(0);
90 	default:
91 		while ((wpid = waitpid(pid, &status, 0)) == -1 &&
92 		    errno == EINTR)
93 			;
94 		ATF_REQUIRE(WEXITSTATUS(status) == 1);
95 		break;
96 	}
97 }
98 
99 ATF_INIT_TEST_CASES(tcs)
100 {
101 
102 	ATF_ADD_TEST_CASE(tcs, cxx_constructor);
103 	ATF_ADD_TEST_CASE(tcs, cxx_destructor);
104 }
105 #endif
106