1 /*	$NetBSD: symtab_test.c,v 1.1.1.4 2014/12/10 03:34:44 christos Exp $	*/
2 
3 /*
4  * Copyright (C) 2011-2013  Internet Systems Consortium, Inc. ("ISC")
5  *
6  * Permission to use, copy, modify, and/or distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /* Id */
20 
21 /*! \file */
22 
23 #include <config.h>
24 
25 #include <atf-c.h>
26 
27 #include <unistd.h>
28 
29 #include <isc/symtab.h>
30 #include <isc/print.h>
31 
32 #include "isctest.h"
33 
34 static void
undefine(char * key,unsigned int type,isc_symvalue_t value,void * arg)35 undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
36 	UNUSED(arg);
37 
38 	ATF_REQUIRE_EQ(type, 1);
39 	isc_mem_free(mctx, key);
40 	isc_mem_free(mctx, value.as_pointer);
41 }
42 
43 /*
44  * Individual unit tests
45  */
46 
47 ATF_TC(symtab_grow);
ATF_TC_HEAD(symtab_grow,tc)48 ATF_TC_HEAD(symtab_grow, tc) {
49 	atf_tc_set_md_var(tc, "descr", "symbol table growth");
50 }
ATF_TC_BODY(symtab_grow,tc)51 ATF_TC_BODY(symtab_grow, tc) {
52 	isc_result_t result;
53 	isc_symtab_t *st = NULL;
54 	isc_symvalue_t value;
55 	isc_symexists_t policy = isc_symexists_reject;
56 	int i;
57 
58 	UNUSED(tc);
59 
60 	result = isc_test_begin(NULL, ISC_TRUE);
61 	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
62 
63 	result = isc_symtab_create(mctx, 3, undefine, NULL, ISC_FALSE, &st);
64 	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
65 	ATF_REQUIRE(st != NULL);
66 
67 	/* Nothing should be in the table yet */
68 
69 	/*
70 	 * Put 1024 entries in the table (this should necessate
71 	 * regrowing the hash table several times
72 	 */
73 	for (i = 0; i < 1024; i++) {
74 		char str[16], *key;
75 
76 		snprintf(str, sizeof(str), "%04x", i);
77 		key = isc_mem_strdup(mctx, str);
78 		ATF_REQUIRE(key != NULL);
79 		value.as_pointer = isc_mem_strdup(mctx, str);
80 		ATF_REQUIRE(value.as_pointer != NULL);
81 		result = isc_symtab_define(st, key, 1, value, policy);
82 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
83 		if (result != ISC_R_SUCCESS)
84 			undefine(key, 1, value, NULL);
85 	}
86 
87 	/*
88 	 * Try to put them in again; this should fail
89 	 */
90 	for (i = 0; i < 1024; i++) {
91 		char str[16], *key;
92 
93 		snprintf(str, sizeof(str), "%04x", i);
94 		key = isc_mem_strdup(mctx, str);
95 		ATF_REQUIRE(key != NULL);
96 		value.as_pointer = isc_mem_strdup(mctx, str);
97 		ATF_REQUIRE(value.as_pointer != NULL);
98 		result = isc_symtab_define(st, key, 1, value, policy);
99 		ATF_CHECK_EQ(result, ISC_R_EXISTS);
100 		undefine(key, 1, value, NULL);
101 	}
102 
103 	/*
104 	 * Retrieve them; this should succeed
105 	 */
106 	for (i = 0; i < 1024; i++) {
107 		char str[16];
108 
109 		snprintf(str, sizeof(str), "%04x", i);
110 		result = isc_symtab_lookup(st, str, 0, &value);
111 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
112 		ATF_CHECK_STREQ(str, (char *)value.as_pointer);
113 	}
114 
115 	/*
116 	 * Undefine them
117 	 */
118 	for (i = 0; i < 1024; i++) {
119 		char str[16];
120 
121 		snprintf(str, sizeof(str), "%04x", i);
122 		result = isc_symtab_undefine(st, str, 1);
123 		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
124 	}
125 
126 	/*
127 	 * Retrieve them again; this should fail
128 	 */
129 	for (i = 0; i < 1024; i++) {
130 		char str[16];
131 
132 		snprintf(str, sizeof(str), "%04x", i);
133 		result = isc_symtab_lookup(st, str, 0, &value);
134 		ATF_CHECK_EQ(result, ISC_R_NOTFOUND);
135 	}
136 
137 	isc_symtab_destroy(&st);
138 	isc_test_end();
139 }
140 
141 /*
142  * Main
143  */
ATF_TP_ADD_TCS(tp)144 ATF_TP_ADD_TCS(tp) {
145 	ATF_TP_ADD_TC(tp, symtab_grow);
146 
147 	return (atf_no_error());
148 }
149 
150