xref: /freebsd/lib/csu/tests/cxx_constructors.cc (revision 7815283df299be63807225a9fe9b6e54406eae28)
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 #include <atf-c++.hpp>
43 
44 static volatile int constructor_run;
45 static bool run_destructor_test = false;
46 struct Foo {
47 	Foo() {
48 		constructor_run = 1;
49 	}
50 	~Foo() {
51 		if (run_destructor_test)
52 			_exit(1);
53 	}
54 };
55 extern Foo foo;
56 Foo foo;
57 
58 ATF_TEST_CASE_WITHOUT_HEAD(cxx_constructor);
59 ATF_TEST_CASE_BODY(cxx_constructor)
60 {
61 
62 	ATF_REQUIRE(constructor_run == 1);
63 }
64 
65 ATF_TEST_CASE_WITHOUT_HEAD(cxx_destructor);
66 ATF_TEST_CASE_BODY(cxx_destructor)
67 {
68 	pid_t pid, wpid;
69 	int status;
70 
71 	pid = fork();
72 	switch(pid) {
73 	case -1:
74 		break;
75 	case 0:
76 		run_destructor_test = true;
77 		exit(0);
78 	default:
79 		while ((wpid = waitpid(pid, &status, 0)) == -1 &&
80 		    errno == EINTR)
81 			;
82 		ATF_REQUIRE(WEXITSTATUS(status) == 1);
83 		break;
84 	}
85 }
86 
87 ATF_INIT_TEST_CASES(tcs)
88 {
89 
90 	ATF_ADD_TEST_CASE(tcs, cxx_constructor);
91 	ATF_ADD_TEST_CASE(tcs, cxx_destructor);
92 }
93