1/*-
2 * Copyright (c) 2007 Tim Kientzle
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("$FreeBSD$");
29
30/*
31 * A basic exercise of bzip2 reading and writing.
32 *
33 * TODO: Add a reference file and make sure we can decompress that.
34 */
35
36DEFINE_TEST(test_write_compress_bzip2)
37{
38	struct archive_entry *ae;
39	struct archive* a;
40	char *buff, *data;
41	size_t buffsize, datasize;
42	char path[16];
43	size_t used1, used2;
44	int i, r;
45
46	buffsize = 2000000;
47	assert(NULL != (buff = (char *)malloc(buffsize)));
48
49	datasize = 10000;
50	assert(NULL != (data = (char *)malloc(datasize)));
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	assertA(0 == archive_write_set_format_ustar(a));
58	r = archive_write_set_compression_bzip2(a);
59	if (r == ARCHIVE_FATAL) {
60		skipping("bzip2 writing not supported on this platform");
61		assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
62		return;
63	}
64	assertEqualIntA(a, ARCHIVE_OK,
65	    archive_write_set_bytes_per_block(a, 10));
66	assertEqualInt(ARCHIVE_COMPRESSION_BZIP2, archive_compression(a));
67	assertEqualString("bzip2", archive_compression_name(a));
68	assertA(0 == archive_write_open_memory(a, buff, buffsize, &used1));
69	assertEqualInt(ARCHIVE_COMPRESSION_BZIP2, archive_compression(a));
70	assertEqualString("bzip2", archive_compression_name(a));
71	assert((ae = archive_entry_new()) != NULL);
72	archive_entry_set_filetype(ae, AE_IFREG);
73	archive_entry_set_size(ae, datasize);
74	for (i = 0; i < 999; i++) {
75		sprintf(path, "file%03d", i);
76		archive_entry_copy_pathname(ae, path);
77		assertA(0 == archive_write_header(a, ae));
78		assertA(datasize
79		    == (size_t)archive_write_data(a, data, datasize));
80	}
81	archive_entry_free(ae);
82	archive_write_close(a);
83	assert(0 == archive_write_finish(a));
84
85	assert((a = archive_read_new()) != NULL);
86	assertA(0 == archive_read_support_format_all(a));
87	assertA(0 == archive_read_support_compression_all(a));
88	assertA(0 == archive_read_open_memory(a, buff, used1));
89	for (i = 0; i < 999; i++) {
90		sprintf(path, "file%03d", i);
91		if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
92			break;
93		assertEqualString(path, archive_entry_pathname(ae));
94		assertEqualInt((int)datasize, archive_entry_size(ae));
95	}
96	assert(0 == archive_read_close(a));
97	assert(0 == archive_read_finish(a));
98
99	/*
100	 * Repeat the cycle again, this time setting some compression
101	 * options.
102	 */
103	assert((a = archive_write_new()) != NULL);
104	assertA(0 == archive_write_set_format_ustar(a));
105	assertEqualIntA(a, ARCHIVE_OK,
106	    archive_write_set_bytes_per_block(a, 10));
107	assertA(0 == archive_write_set_compression_bzip2(a));
108	assertEqualIntA(a, ARCHIVE_WARN,
109	    archive_write_set_compressor_options(a, "nonexistent-option=0"));
110	assertEqualIntA(a, ARCHIVE_WARN,
111	    archive_write_set_compressor_options(a, "compression-level=abc"));
112	assertEqualIntA(a, ARCHIVE_WARN,
113	    archive_write_set_compressor_options(a, "compression-level=99"));
114	assertEqualIntA(a, ARCHIVE_OK,
115	    archive_write_set_compressor_options(a, "compression-level=9"));
116	assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2));
117	for (i = 0; i < 999; i++) {
118		sprintf(path, "file%03d", i);
119		assert((ae = archive_entry_new()) != NULL);
120		archive_entry_copy_pathname(ae, path);
121		archive_entry_set_size(ae, datasize);
122		archive_entry_set_filetype(ae, AE_IFREG);
123		assertA(0 == archive_write_header(a, ae));
124		assertA(datasize == (size_t)archive_write_data(a, data, datasize));
125		archive_entry_free(ae);
126	}
127	archive_write_close(a);
128	assert(0 == archive_write_finish(a));
129
130	/* Curiously, this test fails; the test data above compresses
131	 * better at default compression than at level 9. */
132	/*
133	failure("compression-level=9 wrote %d bytes, default wrote %d bytes",
134	    (int)used2, (int)used1);
135	assert(used2 < used1);
136	*/
137
138	assert((a = archive_read_new()) != NULL);
139	assertA(0 == archive_read_support_format_all(a));
140	assertA(0 == archive_read_support_compression_all(a));
141	assertA(0 == archive_read_open_memory(a, buff, used2));
142	for (i = 0; i < 999; i++) {
143		sprintf(path, "file%03d", i);
144		if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
145			break;
146		assertEqualString(path, archive_entry_pathname(ae));
147		assertEqualInt((int)datasize, archive_entry_size(ae));
148	}
149	assert(0 == archive_read_close(a));
150	assert(0 == archive_read_finish(a));
151
152	/*
153	 * Repeat again, with much lower compression.
154	 */
155	assert((a = archive_write_new()) != NULL);
156	assertA(0 == archive_write_set_format_ustar(a));
157	assertEqualIntA(a, ARCHIVE_OK,
158	    archive_write_set_bytes_per_block(a, 10));
159	assertA(0 == archive_write_set_compression_bzip2(a));
160	assertEqualIntA(a, ARCHIVE_OK,
161	    archive_write_set_compressor_options(a, "compression-level=1"));
162	assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2));
163	for (i = 0; i < 999; i++) {
164		sprintf(path, "file%03d", i);
165		assert((ae = archive_entry_new()) != NULL);
166		archive_entry_copy_pathname(ae, path);
167		archive_entry_set_size(ae, datasize);
168		archive_entry_set_filetype(ae, AE_IFREG);
169		assertA(0 == archive_write_header(a, ae));
170		failure("Writing file %s", path);
171		assertEqualIntA(a, datasize,
172		    (size_t)archive_write_data(a, data, datasize));
173		archive_entry_free(ae);
174	}
175	archive_write_close(a);
176	assert(0 == archive_write_finish(a));
177
178	/* Level 0 really does result in larger data. */
179	failure("Compression-level=0 wrote %d bytes; default wrote %d bytes",
180	    (int)used2, (int)used1);
181	assert(used2 > used1);
182
183	assert((a = archive_read_new()) != NULL);
184	assertA(0 == archive_read_support_format_all(a));
185	assertA(0 == archive_read_support_compression_all(a));
186	assertA(0 == archive_read_open_memory(a, buff, used2));
187	for (i = 0; i < 999; i++) {
188		sprintf(path, "file%03d", i);
189		if (!assertEqualInt(0, archive_read_next_header(a, &ae)))
190			break;
191		assertEqualString(path, archive_entry_pathname(ae));
192		assertEqualInt((int)datasize, archive_entry_size(ae));
193	}
194	assert(0 == archive_read_close(a));
195	assert(0 == archive_read_finish(a));
196
197	/*
198	 * Test various premature shutdown scenarios to make sure we
199	 * don't crash or leak memory.
200	 */
201	assert((a = archive_write_new()) != NULL);
202	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_bzip2(a));
203	assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
204
205	assert((a = archive_write_new()) != NULL);
206	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_bzip2(a));
207	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
208	assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
209
210	assert((a = archive_write_new()) != NULL);
211	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
212	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_bzip2(a));
213	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
214	assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
215
216	assert((a = archive_write_new()) != NULL);
217	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_format_ustar(a));
218	assertEqualIntA(a, ARCHIVE_OK, archive_write_set_compression_bzip2(a));
219	assertA(0 == archive_write_open_memory(a, buff, buffsize, &used2));
220	assertEqualInt(ARCHIVE_OK, archive_write_close(a));
221	assertEqualInt(ARCHIVE_OK, archive_write_finish(a));
222
223	/*
224	 * Clean up.
225	 */
226	free(data);
227	free(buff);
228}
229