xref: /freebsd/contrib/sendmail/libsm/t-exc.c (revision cd0d51baaa4509a1db83251a601d34404d20c990)
1 /*
2  * Copyright (c) 2000-2001 Proofpoint, Inc. and its suppliers.
3  *	All rights reserved.
4  *
5  * By using this file, you agree to the terms and conditions set
6  * forth in the LICENSE file which can be found at the top level of
7  * the sendmail distribution.
8  */
9 
10 #include <sm/gen.h>
11 SM_IDSTR(id, "@(#)$Id: t-exc.c,v 1.21 2013-11-22 20:51:43 ca Exp $")
12 
13 #include <string.h>
14 #include <sm/heap.h>
15 #include <sm/io.h>
16 #include <sm/test.h>
17 
18 const SM_EXC_TYPE_T EtypeTest1 =
19 {
20 	SmExcTypeMagic,
21 	"E:test1",
22 	"i",
23 	sm_etype_printf,
24 	"test1 exception argv[0]=%0",
25 };
26 
27 const SM_EXC_TYPE_T EtypeTest2 =
28 {
29 	SmExcTypeMagic,
30 	"E:test2",
31 	"i",
32 	sm_etype_printf,
33 	"test2 exception argv[0]=%0",
34 };
35 
36 int
37 main(argc, argv)
38 	int argc;
39 	char **argv;
40 {
41 	void *p;
42 	int volatile x;
43 	char *unknown, *cant;
44 
45 	sm_test_begin(argc, argv, "test exception handling");
46 
47 	/*
48 	**  SM_TRY
49 	*/
50 
51 	cant = "can't happen";
52 	x = 0;
53 	SM_TRY
54 		x = 1;
55 	SM_END_TRY
56 	SM_TEST(x == 1);
57 
58 	/*
59 	**  SM_FINALLY-0
60 	*/
61 
62 	x = 0;
63 	SM_TRY
64 		x = 1;
65 	SM_FINALLY
66 		x = 2;
67 	SM_END_TRY
68 	SM_TEST(x == 2);
69 
70 	/*
71 	**  SM_FINALLY-1
72 	*/
73 
74 	x = 0;
75 	SM_TRY
76 		SM_TRY
77 			x = 1;
78 			sm_exc_raisenew_x(&EtypeTest1, 17);
79 		SM_FINALLY
80 			x = 2;
81 			sm_exc_raisenew_x(&EtypeTest2, 42);
82 		SM_END_TRY
83 	SM_EXCEPT(exc, "E:test2")
84 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
85 			 "got exception test2: can't happen\n");
86 	SM_EXCEPT(exc, "E:test1")
87 		SM_TEST(x == 2 && exc->exc_argv[0].v_int == 17);
88 		if (!(x == 2 && exc->exc_argv[0].v_int == 17))
89 		{
90 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
91 				"can't happen: x=%d argv[0]=%d\n",
92 				x, exc->exc_argv[0].v_int);
93 		}
94 	SM_EXCEPT(exc, "*")
95 	{
96 		unknown = "unknown exception: ";
97 		SM_TEST(strcmp(unknown, cant) == 0);
98 	}
99 	SM_END_TRY
100 
101 	x = 3;
102 	SM_TRY
103 		x = 4;
104 		sm_exc_raisenew_x(&EtypeTest1, 94);
105 	SM_FINALLY
106 		x = 5;
107 		sm_exc_raisenew_x(&EtypeTest2, 95);
108 	SM_EXCEPT(exc, "E:test2")
109 	{
110 		unknown = "got exception test2: ";
111 		SM_TEST(strcmp(unknown, cant) == 0);
112 	}
113 	SM_EXCEPT(exc, "E:test1")
114 		SM_TEST(x == 5 && exc->exc_argv[0].v_int == 94);
115 		if (!(x == 5 && exc->exc_argv[0].v_int == 94))
116 		{
117 			(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
118 				"can't happen: x=%d argv[0]=%d\n",
119 				x, exc->exc_argv[0].v_int);
120 		}
121 	SM_EXCEPT(exc, "*")
122 	{
123 		unknown = "unknown exception: ";
124 		SM_TEST(strcmp(unknown, cant) == 0);
125 	}
126 	SM_END_TRY
127 
128 	SM_TRY
129 		sm_exc_raisenew_x(&SmEtypeErr, "test %d", 0);
130 	SM_EXCEPT(exc, "*")
131 #if DEBUG
132 		(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
133 			"test 0 got an exception, as expected:\n");
134 		sm_exc_print(exc, smioout);
135 #endif /* DEBUG */
136 		return sm_test_end();
137 	SM_END_TRY
138 
139 	p = sm_malloc_x((size_t)(-1));
140 	(void) sm_io_fprintf(smioout, SM_TIME_DEFAULT,
141 		"sm_malloc_x unexpectedly succeeded, returning %p\n", p);
142 	unknown = "sm_malloc_x unexpectedly succeeded";
143 	SM_TEST(strcmp(unknown, cant) == 0);
144 	return sm_test_end();
145 }
146