summaryrefslogtreecommitdiffstats
path: root/lib/isc/tests/symtab_test.c
blob: a50553b20f7fcfc149709faf70a57c731d5c495b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
/*
 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * See the COPYRIGHT file distributed with this work for additional
 * information regarding copyright ownership.
 */

/*! \file */

#include <config.h>

#include <atf-c.h>

#include <unistd.h>

#include <isc/symtab.h>
#include <isc/print.h>

#include "isctest.h"

static void
undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) {
	UNUSED(arg);

	ATF_REQUIRE_EQ(type, 1);
	isc_mem_free(mctx, key);
	isc_mem_free(mctx, value.as_pointer);
}

/*
 * Individual unit tests
 */

ATF_TC(symtab_grow);
ATF_TC_HEAD(symtab_grow, tc) {
	atf_tc_set_md_var(tc, "descr", "symbol table growth");
}
ATF_TC_BODY(symtab_grow, tc) {
	isc_result_t result;
	isc_symtab_t *st = NULL;
	isc_symvalue_t value;
	isc_symexists_t policy = isc_symexists_reject;
	int i;

	UNUSED(tc);

	result = isc_test_begin(NULL, true, 0);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

	result = isc_symtab_create(mctx, 3, undefine, NULL, false, &st);
	ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
	ATF_REQUIRE(st != NULL);

	/* Nothing should be in the table yet */

	/*
	 * Put 1024 entries in the table (this should necessate
	 * regrowing the hash table several times
	 */
	for (i = 0; i < 1024; i++) {
		char str[16], *key;

		snprintf(str, sizeof(str), "%04x", i);
		key = isc_mem_strdup(mctx, str);
		ATF_REQUIRE(key != NULL);
		value.as_pointer = isc_mem_strdup(mctx, str);
		ATF_REQUIRE(value.as_pointer != NULL);
		result = isc_symtab_define(st, key, 1, value, policy);
		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
		if (result != ISC_R_SUCCESS)
			undefine(key, 1, value, NULL);
	}

	/*
	 * Try to put them in again; this should fail
	 */
	for (i = 0; i < 1024; i++) {
		char str[16], *key;

		snprintf(str, sizeof(str), "%04x", i);
		key = isc_mem_strdup(mctx, str);
		ATF_REQUIRE(key != NULL);
		value.as_pointer = isc_mem_strdup(mctx, str);
		ATF_REQUIRE(value.as_pointer != NULL);
		result = isc_symtab_define(st, key, 1, value, policy);
		ATF_CHECK_EQ(result, ISC_R_EXISTS);
		undefine(key, 1, value, NULL);
	}

	/*
	 * Retrieve them; this should succeed
	 */
	for (i = 0; i < 1024; i++) {
		char str[16];

		snprintf(str, sizeof(str), "%04x", i);
		result = isc_symtab_lookup(st, str, 0, &value);
		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
		ATF_CHECK_STREQ(str, (char *)value.as_pointer);
	}

	/*
	 * Undefine them
	 */
	for (i = 0; i < 1024; i++) {
		char str[16];

		snprintf(str, sizeof(str), "%04x", i);
		result = isc_symtab_undefine(st, str, 1);
		ATF_CHECK_EQ(result, ISC_R_SUCCESS);
	}

	/*
	 * Retrieve them again; this should fail
	 */
	for (i = 0; i < 1024; i++) {
		char str[16];

		snprintf(str, sizeof(str), "%04x", i);
		result = isc_symtab_lookup(st, str, 0, &value);
		ATF_CHECK_EQ(result, ISC_R_NOTFOUND);
	}

	isc_symtab_destroy(&st);
	isc_test_end();
}

/*
 * Main
 */
ATF_TP_ADD_TCS(tp) {
	ATF_TP_ADD_TC(tp, symtab_grow);

	return (atf_no_error());
}