2 * Copyright (c) 2018, 2019 Stefan Sperling <stsp@openbsd.org>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #include "got_compat.h"
19 #include <sys/queue.h>
28 #include "got_error.h"
29 #include "got_opentemp.h"
32 #include "got_lib_delta.h"
35 #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
38 const struct delta_test {
46 /* base len 0, target len 4, append 4 'x' */
47 { "", 0, "\x00\x04\x04xxxx", 7, "xxxx", 4 },
48 /* copy 4 bytes at offset 0 from base, append 4 'x' */
49 { "aabbccdd", 8, "\x08\x08\x90\x04\x04xxxx", 9, "aabbxxxx", 8 },
50 /* copy 4 bytes at offset 4 from base, append 4 'x' */
51 { "aabbccdd", 8, "\x08\x08\x91\x04\x04\x04xxxx", 10, "ccddxxxx", 8 },
52 /* git 48fb7deb5 Fix big left-shifts of unsigned char, 2009-06-17) */
53 { "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
54 16, "\x10\x10\xff\xff\xff\xff\xff\x10\00\00", 10 , NULL, 0 },
55 /* libgit2 9844d38be delta: fix out-of-bounds read of delta */
56 { "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
57 16, "\x10\x70\xff", 3, NULL, 0}
63 const struct got_error *err = NULL;
67 result_file = got_opentemp();
68 if (result_file == NULL)
71 for (i = 0; i < nitems(delta_tests); i++) {
72 const struct delta_test *dt = &delta_tests[i];
77 base_file = got_opentemp();
78 if (base_file == NULL) {
79 err = got_error_from_errno("got_opentemp");
83 n = fwrite(dt->base, 1, dt->base_len, base_file);
84 if (n != dt->base_len) {
85 err = got_ferror(base_file, GOT_ERR_IO);
90 err = got_delta_apply(base_file, dt->delta, dt->delta_len,
91 result_file, &result_len);
92 if (fclose(base_file) == EOF && err == NULL)
93 err = got_error_from_errno("fclose");
94 if (dt->expected == NULL) {
95 /* Invalid delta, expect an error. */
97 err = got_error(GOT_ERR_EXPECTED);
98 else if (err->code == GOT_ERR_BAD_DELTA)
103 if (result_len != dt->result_len) {
104 err = got_ferror(result_file,
108 n = fread(buf, result_len, 1, result_file);
110 strncmp(buf, dt->expected, result_len) != 0) {
111 err = got_ferror(result_file,
120 return (err == NULL);
125 #define RUN_TEST(expr, name) \
126 { test_ok = (expr); \
127 if (!quiet) printf("test_%s %s\n", (name), test_ok ? "ok" : "failed"); \
128 failure = (failure || !test_ok); }
133 fprintf(stderr, "usage: delta_test [-q]\n");
137 main(int argc, char *argv[])
143 while ((ch = getopt(argc, argv, "q")) != -1) {
163 if (pledge("stdio rpath wpath cpath unveil", NULL) == -1)
166 if (unveil(GOT_TMPDIR_STR, "rwc") != 0)
169 if (unveil(NULL, NULL) != 0)
172 RUN_TEST(delta_apply(), "delta_apply");
174 return failure ? 1 : 0;