xref: /freebsd/lib/csu/tests/cxx_constructors.cc (revision a2f733abcff64628b7771a47089628b7327a88bd)
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/types.h>
33 #include <sys/wait.h>
34 
35 #include <errno.h>
36 #include <stdlib.h>
37 #include <unistd.h>
38 
39 #ifndef DSO_LIB
40 #include <atf-c++.hpp>
41 #endif
42 
43 extern volatile int constructor_run;
44 extern bool run_destructor_test;
45 
46 #ifndef DSO_BASE
47 volatile int constructor_run;
48 bool run_destructor_test = false;
49 #endif
50 
51 struct Foo {
FooFoo52 	Foo() {
53 		constructor_run = 1;
54 	}
~FooFoo55 	~Foo() {
56 		if (run_destructor_test)
57 			_exit(1);
58 	}
59 };
60 extern Foo foo;
61 
62 #ifndef DSO_BASE
63 Foo foo;
64 #endif
65 
66 #ifndef DSO_LIB
67 ATF_TEST_CASE_WITHOUT_HEAD(cxx_constructor);
ATF_TEST_CASE_BODY(cxx_constructor)68 ATF_TEST_CASE_BODY(cxx_constructor)
69 {
70 
71 	ATF_REQUIRE(constructor_run == 1);
72 }
73 
74 ATF_TEST_CASE_WITHOUT_HEAD(cxx_destructor);
ATF_TEST_CASE_BODY(cxx_destructor)75 ATF_TEST_CASE_BODY(cxx_destructor)
76 {
77 	pid_t pid, wpid;
78 	int status;
79 
80 	pid = fork();
81 	switch(pid) {
82 	case -1:
83 		break;
84 	case 0:
85 		run_destructor_test = true;
86 		exit(0);
87 	default:
88 		while ((wpid = waitpid(pid, &status, 0)) == -1 &&
89 		    errno == EINTR)
90 			;
91 		ATF_REQUIRE(WEXITSTATUS(status) == 1);
92 		break;
93 	}
94 }
95 
ATF_INIT_TEST_CASES(tcs)96 ATF_INIT_TEST_CASES(tcs)
97 {
98 
99 	ATF_ADD_TEST_CASE(tcs, cxx_constructor);
100 	ATF_ADD_TEST_CASE(tcs, cxx_destructor);
101 }
102 #endif
103