test_write_filter_zstd.c revision 324418
1/*-
2 * Copyright (c) 2017 Sean Purcell
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include "test.h"
28__FBSDID("$FreeBSD: stable/10/contrib/libarchive/libarchive/test/test_write_filter_zstd.c 324418 2017-10-08 20:55:45Z mm $");
29
30DEFINE_TEST(test_write_filter_zstd)
31{
32	struct archive_entry *ae;
33	struct archive *a;
34	char *buff, *data;
35	size_t buffsize, datasize;
36	char path[16];
37	size_t used1, used2;
38	int i, r;
39
40	buffsize = 2000000;
41	assert(NULL != (buff = (char *)malloc(buffsize)));
42	if (buff == NULL)
43		return;
44
45	datasize = 10000;
46	assert(NULL != (data = (char *)malloc(datasize)));
47	if (data == NULL) {
48		free(buff);
49		return;
50	}
51	memset(data, 0, datasize);
52
53	/*
54	 * Write a 100 files and read them all back.
55	 */
56	assert((a = archive_write_new()) != NULL);
57	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
58	r = archive_write_add_filter_zstd(a);
59	if (r != ARCHIVE_OK) {
60		skipping("zstd writing not supported on this platform");
61		assertEqualInt(ARCHIVE_OK, archive_write_free(a));
62		free(buff);
63		free(data);
64		return;
65	}
66	assertEqualIntA(a, ARCHIVE_OK,
67	    archive_write_set_bytes_per_block(a, 10));
68	assertEqualInt(ARCHIVE_FILTER_ZSTD, archive_filter_code(a, 0));
69	assertEqualString("zstd", archive_filter_name(a, 0));
70	assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used1));
71	assertEqualInt(ARCHIVE_FILTER_ZSTD, archive_filter_code(a, 0));
72	assertEqualString("zstd", archive_filter_name(a, 0));
73	assert((ae = archive_entry_new()) != NULL);
74	archive_entry_set_filetype(ae, AE_IFREG);
75	archive_entry_set_size(ae, datasize);
76	for (i = 0; i < 100; i++) {
77		sprintf(path, "file%03d", i);
78		archive_entry_copy_pathname(ae, path);
79		assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
80		assertA(datasize
81		    == (size_t)archive_write_data(a, data, datasize));
82	}
83	archive_entry_free(ae);
84	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
85	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
86
87	assert((a = archive_read_new()) != NULL);
88	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
89	r = archive_read_support_filter_zstd(a);
90	if (r == ARCHIVE_WARN) {
91		skipping("Can't verify zstd writing by reading back;"
92		    " zstd reading not fully supported on this platform");
93	} else {
94		assertEqualIntA(a, ARCHIVE_OK,
95		    archive_read_support_filter_all(a));
96		assertEqualIntA(a, ARCHIVE_OK,
97		    archive_read_open_memory(a, buff, used1));
98		for (i = 0; i < 100; i++) {
99			sprintf(path, "file%03d", i);
100			if (!assertEqualInt(ARCHIVE_OK,
101				archive_read_next_header(a, &ae)))
102				break;
103			assertEqualString(path, archive_entry_pathname(ae));
104			assertEqualInt((int)datasize, archive_entry_size(ae));
105		}
106		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
107	}
108	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
109
110	/*
111	 * Repeat the cycle again, this time setting some compression
112	 * options.
113	 */
114	assert((a = archive_write_new()) != NULL);
115	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
116	assertEqualIntA(a, ARCHIVE_OK,
117	    archive_write_set_bytes_per_block(a, 10));
118	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_zstd(a));
119	assertEqualIntA(a, ARCHIVE_FAILED,
120	    archive_write_set_filter_option(a, NULL, "nonexistent-option", "0"));
121	assertEqualIntA(a, ARCHIVE_FAILED,
122	    archive_write_set_filter_option(a, NULL, "compression-level", "abc"));
123	assertEqualIntA(a, ARCHIVE_FAILED,
124	    archive_write_set_filter_option(a, NULL, "compression-level", "25")); /* too big */
125	assertEqualIntA(a, ARCHIVE_OK,
126	    archive_write_set_filter_option(a, NULL, "compression-level", "9"));
127	assertEqualIntA(a, ARCHIVE_OK,
128	    archive_write_set_filter_option(a, NULL, "compression-level", "15"));
129	assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
130	for (i = 0; i < 100; i++) {
131		sprintf(path, "file%03d", i);
132		assert((ae = archive_entry_new()) != NULL);
133		archive_entry_copy_pathname(ae, path);
134		archive_entry_set_size(ae, datasize);
135		archive_entry_set_filetype(ae, AE_IFREG);
136		assertEqualIntA(a, ARCHIVE_OK, archive_write_header(a, ae));
137		assertA(datasize == (size_t)archive_write_data(a, data, datasize));
138		archive_entry_free(ae);
139	}
140	assertEqualIntA(a, ARCHIVE_OK, archive_write_close(a));
141	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
142
143	failure("compression-level=15 wrote %d bytes, default wrote %d bytes",
144	    (int)used2, (int)used1);
145	assert(used2 < used1);
146
147	assert((a = archive_read_new()) != NULL);
148	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
149	r = archive_read_support_filter_zstd(a);
150	if (r == ARCHIVE_WARN) {
151		skipping("zstd reading not fully supported on this platform");
152	} else {
153		assertEqualIntA(a, ARCHIVE_OK,
154		    archive_read_support_filter_all(a));
155		assertEqualIntA(a, ARCHIVE_OK,
156		    archive_read_open_memory(a, buff, used2));
157		for (i = 0; i < 100; i++) {
158			sprintf(path, "file%03d", i);
159			failure("Trying to read %s", path);
160			if (!assertEqualIntA(a, ARCHIVE_OK,
161				archive_read_next_header(a, &ae)))
162				break;
163			assertEqualString(path, archive_entry_pathname(ae));
164			assertEqualInt((int)datasize, archive_entry_size(ae));
165		}
166		assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
167	}
168	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
169
170	/*
171	 * Test various premature shutdown scenarios to make sure we
172	 * don't crash or leak memory.
173	 */
174	assert((a = archive_write_new()) != NULL);
175	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_zstd(a));
176	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
177
178	assert((a = archive_write_new()) != NULL);
179	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_zstd(a));
180	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
181	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
182
183	assert((a = archive_write_new()) != NULL);
184	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
185	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_zstd(a));
186	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
187	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
188
189	assert((a = archive_write_new()) != NULL);
190	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
191	assertEqualIntA(a, ARCHIVE_OK, archive_write_add_filter_zstd(a));
192	assertEqualIntA(a, ARCHIVE_OK, archive_write_open_memory(a, buff, buffsize, &used2));
193	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
194	assertEqualInt(ARCHIVE_OK, archive_write_free(a));
195
196	/*
197	 * Clean up.
198	 */
199	free(data);
200	free(buff);
201}
202