xref: /NextBSD/contrib/ntp/lib/isc/tests/symtab_test.c (revision 287e3b14e9552995def1802ec9c5034f4adf28ec)
1 /*
2  * Copyright (C) 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
9  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
10  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
11  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
12  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
13  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
14  * PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 /* $Id$ */
18 
19 /*! \file */
20 
21 #include <config.h>
22 
23 #include <atf-c.h>
24 
25 #include <unistd.h>
26 
27 #include <isc/symtab.h>
28 #include <isc/print.h>
29 
30 #include "isctest.h"
31 
32 static void
undefine(char * key,unsigned int type,isc_symvalue_t value,void * arg)33 undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
34 	UNUSED(arg);
35 
36 	ATF_REQUIRE_EQ(type, 1);
37 	isc_mem_free(mctx, key);
38 	isc_mem_free(mctx, value.as_pointer);
39 }
40 
41 /*
42  * Individual unit tests
43  */
44 
45 ATF_TC(symtab_grow);
ATF_TC_HEAD(symtab_grow,tc)46 ATF_TC_HEAD(symtab_grow, tc) {
47 	atf_tc_set_md_var(tc, "descr", "symbol table growth");
48 }
ATF_TC_BODY(symtab_grow,tc)49 ATF_TC_BODY(symtab_grow, tc) {
50 	isc_result_t result;
51 	isc_symtab_t *st = NULL;
52 	isc_symvalue_t value;
53 	isc_symexists_t policy = isc_symexists_reject;
54 	int i;
55 
56 	UNUSED(tc);
57 
58 	result = isc_test_begin(NULL, ISC_TRUE);
59 	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
60 
61 	result = isc_symtab_create(mctx, 3, undefine, NULL, ISC_FALSE, &st);
62 	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
63 	ATF_REQUIRE(st != NULL);
64 
65 	/* Nothing should be in the table yet */
66 
67 	/*
68 	 * Put 1024 entries in the table (this should necessate
69 	 * regrowing the hash table several times
70 	 */
71 	for (i = 0; i < 1024; i++) {
72 		char str[16], *key;
73 
74 		snprintf(str, sizeof(str), "%04x", i);
75 		key = isc_mem_strdup(mctx, str);
76 		ATF_REQUIRE(key != NULL);
77 		value.as_pointer = isc_mem_strdup(mctx, str);
78 		ATF_REQUIRE(value.as_pointer != NULL);
79 		result = isc_symtab_define(st, key, 1, value, policy);
80 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
81 		if (result != ISC_R_SUCCESS)
82 			undefine(key, 1, value, NULL);
83 	}
84 
85 	/*
86 	 * Try to put them in again; this should fail
87 	 */
88 	for (i = 0; i < 1024; i++) {
89 		char str[16], *key;
90 
91 		snprintf(str, sizeof(str), "%04x", i);
92 		key = isc_mem_strdup(mctx, str);
93 		ATF_REQUIRE(key != NULL);
94 		value.as_pointer = isc_mem_strdup(mctx, str);
95 		ATF_REQUIRE(value.as_pointer != NULL);
96 		result = isc_symtab_define(st, key, 1, value, policy);
97 		ATF_CHECK_EQ(result, ISC_R_EXISTS);
98 		undefine(key, 1, value, NULL);
99 	}
100 
101 	/*
102 	 * Retrieve them; this should succeed
103 	 */
104 	for (i = 0; i < 1024; i++) {
105 		char str[16];
106 
107 		snprintf(str, sizeof(str), "%04x", i);
108 		result = isc_symtab_lookup(st, str, 0, &value);
109 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
110 		ATF_CHECK_STREQ(str, value.as_pointer);
111 	}
112 
113 	/*
114 	 * Undefine them
115 	 */
116 	for (i = 0; i < 1024; i++) {
117 		char str[16];
118 
119 		snprintf(str, sizeof(str), "%04x", i);
120 		result = isc_symtab_undefine(st, str, 1);
121 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
122 	}
123 
124 	/*
125 	 * Retrieve them again; this should fail
126 	 */
127 	for (i = 0; i < 1024; i++) {
128 		char str[16];
129 
130 		snprintf(str, sizeof(str), "%04x", i);
131 		result = isc_symtab_lookup(st, str, 0, &value);
132 		ATF_CHECK_EQ(result, ISC_R_NOTFOUND);
133 	}
134 
135 	isc_symtab_destroy(&st);
136 	isc_test_end();
137 }
138 
139 /*
140  * Main
141  */
ATF_TP_ADD_TCS(tp)142 ATF_TP_ADD_TCS(tp) {
143 	ATF_TP_ADD_TC(tp, symtab_grow);
144 
145 	return (atf_no_error());
146 }
147 
148