summaryrefslogtreecommitdiffstats
path: root/app/test/test_cmdline_string.c
blob: c5bb9c0cc1b482501bf8aab23ca59a5b4ddc8d83 (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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <string.h>
#include <inttypes.h>

#include <rte_common.h>
#include <rte_string_fns.h>

#include <cmdline_parse.h>
#include <cmdline_parse_string.h>

#include "test_cmdline.h"

/* structures needed to run tests */

struct string_elt_str {
	const char * str;	/* parsed string */
	const char * result;	/* expected string */
	int idx;	/* position at which result is expected to be */
};

struct string_elt_str string_elt_strs[] = {
		{"one#two#three", "three", 2},
		{"one#two with spaces#three", "three", 2},
		{"one#two\twith\ttabs#three", "three", 2},
		{"one#two\rwith\rreturns#three", "three", 2},
		{"one#two\nwith\nnewlines#three", "three", 2},
		{"one#two#three", "one", 0},
		{"one#two#three", "two", 1},
		{"one#two\0three", "two", 1},
		{"one#two with spaces#three", "two with spaces", 1},
		{"one#two\twith\ttabs#three", "two\twith\ttabs", 1},
		{"one#two\rwith\rreturns#three", "two\rwith\rreturns", 1},
		{"one#two\nwith\nnewlines#three", "two\nwith\nnewlines", 1},
};

#if (CMDLINE_TEST_BUFSIZE < STR_TOKEN_SIZE) \
|| (CMDLINE_TEST_BUFSIZE < STR_MULTI_TOKEN_SIZE)
#undef CMDLINE_TEST_BUFSIZE
#define CMDLINE_TEST_BUFSIZE RTE_MAX(STR_TOKEN_SIZE, STR_MULTI_TOKEN_SIZE)
#endif

struct string_nb_str {
	const char * str;	/* parsed string */
	int nb_strs;	/* expected number of strings in str */
};

struct string_nb_str string_nb_strs[] = {
		{"one#two#three", 3},
		{"one", 1},
		{"one# \t two \r # three \n #four", 4},
};



struct string_parse_str {
	const char * str;	/* parsed string */
	const char * fixed_str;	/* parsing mode (any, fixed or multi) */
	const char * result;	/* expected result */
};

struct string_parse_str string_parse_strs[] = {
		{"one", NULL, "one"},	/* any string */
		{"two", "one#two#three", "two"},	/* multiple choice string */
		{"three", "three", "three"},	/* fixed string */
		{"three", "one#two with\rgarbage\tcharacters\n#three", "three"},
		{"two with\rgarbage\tcharacters\n",
				"one#two with\rgarbage\tcharacters\n#three",
				"two with\rgarbage\tcharacters\n"},
		{"one two", "one", "one"}, /* fixed string */
		{"one two", TOKEN_STRING_MULTI, "one two"}, /* multi string */
		{"one two", NULL, "one"}, /* any string */
		{"one two #three", TOKEN_STRING_MULTI, "one two "},
		/* multi string with comment */
};



struct string_invalid_str {
	const char * str;	/* parsed string */
	const char * fixed_str;	/* parsing mode (any, fixed or multi) */
};

struct string_invalid_str string_invalid_strs[] = {
		{"invalid", "one"},	/* fixed string */
		{"invalid", "one#two#three"},	/* multiple choice string */
		{"invalid", "invalidone"},	/* string that starts the same */
		{"invalidone", "invalid"},	/* string that starts the same */
		{"toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!", NULL },
		{"toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!", "fixed" },
		{"toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!", "multi#choice#string" },
		{"invalid",
		 "toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!toolong!!!"
		 "toolong!!!" },
		 {"", "invalid"}
};



const char * string_help_strs[] = {
		NULL,
		"fixed_str",
		"multi#str",
};



#define STRING_PARSE_STRS_SIZE \
	(sizeof(string_parse_strs) / sizeof(string_parse_strs[0]))
#define STRING_HELP_STRS_SIZE \
	(sizeof(string_help_strs) / sizeof(string_help_strs[0]))
#define STRING_ELT_STRS_SIZE \
	(sizeof(string_elt_strs) / sizeof(string_elt_strs[0]))
#define STRING_NB_STRS_SIZE \
	(sizeof(string_nb_strs) / sizeof(string_nb_strs[0]))
#define STRING_INVALID_STRS_SIZE \
	(sizeof(string_invalid_strs) / sizeof(string_invalid_strs[0]))

#define SMALL_BUF 8

/* test invalid parameters */
int
test_parse_string_invalid_param(void)
{
	cmdline_parse_token_string_t token;
	int result;
	char buf[CMDLINE_TEST_BUFSIZE];

	memset(&token, 0, sizeof(token));

	snprintf(buf, sizeof(buf), "buffer");

	/* test null token */
	if (cmdline_get_help_string(
		NULL, buf, 0) != -1) {
		printf("Error: function accepted null token!\n");
		return -1;
	}
	if (cmdline_complete_get_elt_string(
			NULL, 0, buf, 0) != -1) {
		printf("Error: function accepted null token!\n");
		return -1;
	}
	if (cmdline_complete_get_nb_string(NULL) != -1) {
		printf("Error: function accepted null token!\n");
		return -1;
	}
	if (cmdline_parse_string(NULL, buf, NULL, 0) != -1) {
		printf("Error: function accepted null token!\n");
		return -1;
	}
	/* test null buffer */
	if (cmdline_complete_get_elt_string(
			(cmdline_parse_token_hdr_t*)&token, 0, NULL, 0) != -1) {
		printf("Error: function accepted null buffer!\n");
		return -1;
	}
	if (cmdline_parse_string(
			(cmdline_parse_token_hdr_t*)&token, NULL,
			(void*)&result, sizeof(result)) != -1) {
		printf("Error: function accepted null buffer!\n");
		return -1;
	}
	if (cmdline_get_help_string(
			(cmdline_parse_token_hdr_t*)&token, NULL, 0) != -1) {
		printf("Error: function accepted null buffer!\n");
		return -1;
	}
	/* test null result */
	if (cmdline_parse_string(
			(cmdline_parse_token_hdr_t*)&token, buf, NULL, 0) == -1) {
		printf("Error: function rejected null result!\n");
		return -1;
	}
	/* test negative index */
	if (cmdline_complete_get_elt_string(
			(cmdline_parse_token_hdr_t*)&token, -1, buf, 0) != -1) {
		printf("Error: function accepted negative index!\n");
		return -1;
	}
	return 0;
}

/* test valid parameters but invalid data */
int
test_parse_string_invalid_data(void)
{
	cmdline_parse_token_string_t token;
	cmdline_parse_token_string_t help_token;
	char buf[CMDLINE_TEST_BUFSIZE];
	char help_str[CMDLINE_TEST_BUFSIZE];
	char small_buf[SMALL_BUF];
	unsigned i;

	/* test parsing invalid strings */
	for (i = 0; i < STRING_INVALID_STRS_SIZE; i++) {
		memset(&token, 0, sizeof(token));
		memset(buf, 0, sizeof(buf));

		/* prepare test token data */
		token.string_data.str = string_invalid_strs[i].fixed_str;

		if (cmdline_parse_string((cmdline_parse_token_hdr_t*)&token,
				string_invalid_strs[i].str, (void*)buf,
				sizeof(buf)) != -1) {
			memset(help_str, 0, sizeof(help_str));
			memset(&help_token, 0, sizeof(help_token));

			help_token.string_data.str = string_invalid_strs[i].fixed_str;

			/* get parse type so we can give a good error message */
			cmdline_get_help_string((cmdline_parse_token_hdr_t*)&token, help_str,
					sizeof(help_str));

			printf("Error: parsing %s as %s succeeded!\n",
					string_invalid_strs[i].str, help_str);
			return -1;
		}
	}

	/* misc tests (big comments signify test cases) */
	memset(&token, 0, sizeof(token));
	memset(small_buf, 0, sizeof(small_buf));

	/*
	 * try to get element from a null token
	 */
	token.string_data.str = NULL;
	if (cmdline_complete_get_elt_string(
			(cmdline_parse_token_hdr_t*)&token, 1,
			buf, sizeof(buf)) != -1) {
		printf("Error: getting token from null token string!\n");
		return -1;
	}

	/*
	 * try to get element into a buffer that is too small
	 */
	token.string_data.str = "too_small_buffer";
	if (cmdline_complete_get_elt_string(
			(cmdline_parse_token_hdr_t*)&token, 0,
			small_buf, sizeof(small_buf)) != -1) {
		printf("Error: writing token into too small a buffer succeeded!\n");
		return -1;
	}

	/*
	 * get help string written into a buffer smaller than help string
	 * truncation should occur
	 */
	token.string_data.str = NULL;
	if (cmdline_get_help_string(
			(cmdline_parse_token_hdr_t*)&token,
			small_buf, sizeof(small_buf)) == -1) {
		printf("Error: writing help string into too small a buffer failed!\n");
		return -1;
	}
	/* get help string for "any string" so we can compare it with small_buf */
	cmdline_get_help_string((cmdline_parse_token_hdr_t*)&token, help_str,
			sizeof(help_str));
	if (strncmp(small_buf, help_str, sizeof(small_buf) - 1)) {
		printf("Error: help string mismatch!\n");
		return -1;
	}
	/* check null terminator */
	if (small_buf[sizeof(small_buf) - 1] != '\0') {
		printf("Error: small buffer doesn't have a null terminator!\n");
		return -1;
	}

	/*
	 * try to count tokens in a null token
	 */
	token.string_data.str = NULL;
	if (cmdline_complete_get_nb_string(
			(cmdline_parse_token_hdr_t*)&token) != 0) {
		printf("Error: getting token count from null token succeeded!\n");
		return -1;
	}

	return 0;
}

/* test valid parameters and data */
int
test_parse_string_valid(void)
{
	cmdline_parse_token_string_t token;
	cmdline_parse_token_string_t help_token;
	char buf[CMDLINE_TEST_BUFSIZE];
	char help_str[CMDLINE_TEST_BUFSIZE];
	unsigned i;

	/* test parsing strings */
	for (i = 0; i < STRING_PARSE_STRS_SIZE; i++) {
		memset(&token, 0, sizeof(token));
		memset(buf, 0, sizeof(buf));

		token.string_data.str = string_parse_strs[i].fixed_str;

		if (cmdline_parse_string((cmdline_parse_token_hdr_t*)&token,
				string_parse_strs[i].str, (void*)buf,
				sizeof(buf)) < 0) {

			/* clean help data */
			memset(&help_token, 0, sizeof(help_token));
			memset(help_str, 0, sizeof(help_str));

			/* prepare help token */
			help_token.string_data.str = string_parse_strs[i].fixed_str;

			/* get help string so that we get an informative error message */
			cmdline_get_help_string((cmdline_parse_token_hdr_t*)&token, help_str,
					sizeof(help_str));

			printf("Error: parsing %s as %s failed!\n",
					string_parse_strs[i].str, help_str);
			return -1;
		}
		if (strcmp(buf, string_parse_strs[i].result) != 0) {
			printf("Error: result mismatch!\n");
			return -1;
		}
	}

	/* get number of string tokens and verify it's correct */
	for (i = 0; i < STRING_NB_STRS_SIZE; i++) {
		memset(&token, 0, sizeof(token));

		token.string_data.str = string_nb_strs[i].str;

		if (cmdline_complete_get_nb_string(
				(cmdline_parse_token_hdr_t*)&token) <
				string_nb_strs[i].nb_strs) {
			printf("Error: strings count mismatch!\n");
			return -1;
		}
	}

	/* get token at specified position and verify it's correct */
	for (i = 0; i < STRING_ELT_STRS_SIZE; i++) {
		memset(&token, 0, sizeof(token));
		memset(buf, 0, sizeof(buf));

		token.string_data.str = string_elt_strs[i].str;

		if (cmdline_complete_get_elt_string(
				(cmdline_parse_token_hdr_t*)&token, string_elt_strs[i].idx,
				buf, sizeof(buf)) < 0) {
			printf("Error: getting string element failed!\n");
			return -1;
		}
		if (strncmp(buf, string_elt_strs[i].result,
				sizeof(buf)) != 0) {
			printf("Error: result mismatch!\n");
			return -1;
		}
	}

	/* cover all cases with help strings */
	for (i = 0; i < STRING_HELP_STRS_SIZE; i++) {
		memset(&help_token, 0, sizeof(help_token));
		memset(help_str, 0, sizeof(help_str));
		help_token.string_data.str = string_help_strs[i];
		if (cmdline_get_help_string((cmdline_parse_token_hdr_t*)&help_token,
				help_str, sizeof(help_str)) < 0) {
			printf("Error: help operation failed!\n");
			return -1;
		}
	}

	return 0;
}