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.
25 #include "got_error.h"
26 #include "got_opentemp.h"
29 #include "got_lib_delta.h"
32 #define nitems(_a) (sizeof(_a) / sizeof((_a)[0]))
43 /* base len 0, target len 4, append 4 'x' */
44 { "", 0, "\x00\x04\x04xxxx", 7, "xxxx", 4 },
45 /* copy 4 bytes at offset 0 from base, append 4 'x' */
46 { "aabbccdd", 8, "\x08\x08\x90\x04\x04xxxx", 9, "aabbxxxx", 8 },
47 /* copy 4 bytes at offset 4 from base, append 4 'x' */
48 { "aabbccdd", 8, "\x08\x08\x91\x04\x04\x04xxxx", 10, "ccddxxxx", 8 },
49 /* git 48fb7deb5 Fix big left-shifts of unsigned char, 2009-06-17) */
50 { "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
51 16, "\x10\x10\xff\xff\xff\xff\xff\x10\00\00", 10 , NULL
, 0 },
52 /* libgit2 9844d38be delta: fix out-of-bounds read of delta */
53 { "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
54 16, "\x10\x70\xff", 3, NULL
, 0}
60 const struct got_error
*err
= NULL
;
64 result_file
= got_opentemp();
65 if (result_file
== NULL
)
68 for (i
= 0; i
< nitems(delta_tests
); i
++) {
69 struct delta_test
*dt
= &delta_tests
[i
];
74 base_file
= got_opentemp();
75 if (base_file
== NULL
) {
76 err
= got_error_from_errno("got_opentemp");
80 n
= fwrite(dt
->base
, 1, dt
->base_len
, base_file
);
81 if (n
!= dt
->base_len
) {
82 err
= got_ferror(base_file
, GOT_ERR_IO
);
87 err
= got_delta_apply(base_file
, dt
->delta
, dt
->delta_len
,
88 result_file
, &result_len
);
89 if (fclose(base_file
) == EOF
&& err
== NULL
)
90 err
= got_error_from_errno("fclose");
91 if (dt
->expected
== NULL
) {
92 /* Invalid delta, expect an error. */
94 err
= got_error(GOT_ERR_EXPECTED
);
95 else if (err
->code
== GOT_ERR_BAD_DELTA
)
100 if (result_len
!= dt
->result_len
) {
101 err
= got_ferror(result_file
,
105 n
= fread(buf
, result_len
, 1, result_file
);
107 strncmp(buf
, dt
->expected
, result_len
) != 0) {
108 err
= got_ferror(result_file
,
117 return (err
== NULL
);
122 #define RUN_TEST(expr, name) \
123 { test_ok = (expr); \
124 if (!quiet) printf("test_%s %s\n", (name), test_ok ? "ok" : "failed"); \
125 failure = (failure || !test_ok); }
130 fprintf(stderr
, "usage: delta_test [-q]\n");
134 main(int argc
, char *argv
[])
140 while ((ch
= getopt(argc
, argv
, "q")) != -1) {
160 if (pledge("stdio rpath wpath cpath unveil", NULL
) == -1)
163 if (unveil(GOT_TMPDIR_STR
, "rwc") != 0)
166 if (unveil(NULL
, NULL
) != 0)
169 RUN_TEST(delta_apply(), "delta_apply");
171 return failure
? 1 : 0;