tests/t01-rawobj.c

   1 /*
   2  * This file is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License, version 2,
   4  * as published by the Free Software Foundation.
   5  *
   6  * In addition to the permissions in the GNU General Public License,
   7  * the authors give you unlimited permission to link the compiled
   8  * version of this file into combinations with other programs,
   9  * and to distribute those combinations without any restriction
  10  * coming from the use of this file.  (The General Public License
  11  * restrictions do apply in other respects; for example, they cover
  12  * modification of the file, and distribution when not linked into
  13  * a combined executable.)
  14  *
  15  * This file is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; see the file COPYING.  If not, write to
  22  * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  23  * Boston, MA 02110-1301, USA.
  24  */
  25 #include "test_lib.h"
  26
  27 #include "odb.h"
  28 #include "hash.h"
  29
  30 #include "t01-data.h"
  31
  32 static int hash_object(git_oid *oid, git_rawobj *obj)
  33 {
  34         return git_odb_hash(oid, obj->data, obj->len, obj->type);
  35 }
  36
  37 BEGIN_TEST(oid0, "validate size of oid objects")
  38         git_oid out;
  39         must_be_true(20 == GIT_OID_RAWSZ);
  40         must_be_true(40 == GIT_OID_HEXSZ);
  41         must_be_true(sizeof(out) == GIT_OID_RAWSZ);
  42         must_be_true(sizeof(out.id) == GIT_OID_RAWSZ);
  43 END_TEST
  44
  45 BEGIN_TEST(oid1, "fail when parsing an empty string as oid")
  46         git_oid out;
  47         must_fail(git_oid_fromstr(&out, ""));
  48 END_TEST
  49
  50 BEGIN_TEST(oid2, "fail when parsing an invalid string as oid")
  51         git_oid out;
  52         must_fail(git_oid_fromstr(&out, "moo"));
  53 END_TEST
  54
  55 static int from_hex(unsigned int i)
  56 {
  57         if (i >= '0' && i <= '9')
  58                 return i - '0';
  59         if (i >= 'a' && i <= 'f')
  60                 return 10 + (i - 'a');
  61         if (i >= 'A' && i <= 'F')
  62                 return 10 + (i - 'A');
  63         return -1;
  64 }
  65
  66 BEGIN_TEST(oid3, "find all invalid characters when parsing an oid")
  67         git_oid out;
  68         unsigned char exp[] = {
  69                 0x16, 0xa6, 0x77, 0x70, 0xb7,
  70                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
  71                 0xb7, 0x75, 0x21, 0x3c, 0x23,
  72                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
  73         };
  74         char in[41] = "16a67770b7d8d72317c4b775213c23a8bd74f5e0";
  75         unsigned int i;
  76
  77         for (i = 0; i < 256; i++) {
  78                 in[38] = (char)i;
  79
  80                 if (from_hex(i) >= 0) {
  81                         exp[19] = (unsigned char)(from_hex(i) << 4);
  82                         must_pass(git_oid_fromstr(&out, in));
  83                         must_be_true(memcmp(out.id, exp, sizeof(out.id)) == 0);
  84                 } else {
  85                         must_fail(git_oid_fromstr(&out, in));
  86                 }
  87         }
  88 END_TEST
  89
  90 BEGIN_TEST(oid4, "fail when parsing an invalid oid string")
  91         git_oid out;
  92         must_fail(git_oid_fromstr(&out, "16a67770b7d8d72317c4b775213c23a8bd74f5ez"));
  93 END_TEST
  94
  95 BEGIN_TEST(oid5, "succeed when parsing a valid oid string")
  96         git_oid out;
  97         unsigned char exp[] = {
  98                 0x16, 0xa6, 0x77, 0x70, 0xb7,
  99                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 100                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 101                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 102         };
 103
 104         must_pass(git_oid_fromstr(&out, "16a67770b7d8d72317c4b775213c23a8bd74f5e0"));
 105         must_pass(memcmp(out.id, exp, sizeof(out.id)));
 106
 107         must_pass(git_oid_fromstr(&out, "16A67770B7D8D72317C4b775213C23A8BD74F5E0"));
 108         must_pass(memcmp(out.id, exp, sizeof(out.id)));
 109 END_TEST
 110
 111 BEGIN_TEST(oid6, "build a valid oid from raw bytes")
 112         git_oid out;
 113         unsigned char exp[] = {
 114                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 115                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 116                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 117                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 118         };
 119
 120         git_oid_fromraw(&out, exp);
 121         must_pass(memcmp(out.id, exp, sizeof(out.id)));
 122 END_TEST
 123
 124 BEGIN_TEST(oid7, "properly copy an oid to another")
 125         git_oid a, b;
 126         unsigned char exp[] = {
 127                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 128                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 129                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 130                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 131         };
 132
 133         memset(&b, 0, sizeof(b));
 134         git_oid_fromraw(&a, exp);
 135         git_oid_cpy(&b, &a);
 136         must_pass(memcmp(a.id, exp, sizeof(a.id)));
 137 END_TEST
 138
 139 BEGIN_TEST(oid8, "compare two oids (lesser than)")
 140         git_oid a, b;
 141         unsigned char a_in[] = {
 142                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 143                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 144                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 145                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 146         };
 147         unsigned char b_in[] = {
 148                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 149                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 150                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 151                 0xa8, 0xbd, 0x74, 0xf5, 0xf0,
 152         };
 153
 154         git_oid_fromraw(&a, a_in);
 155         git_oid_fromraw(&b, b_in);
 156         must_be_true(git_oid_cmp(&a, &b) < 0);
 157 END_TEST
 158
 159 BEGIN_TEST(oid9, "compare two oids (equal)")
 160         git_oid a, b;
 161         unsigned char a_in[] = {
 162                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 163                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 164                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 165                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 166         };
 167
 168         git_oid_fromraw(&a, a_in);
 169         git_oid_fromraw(&b, a_in);
 170         must_be_true(git_oid_cmp(&a, &b) == 0);
 171 END_TEST
 172
 173 BEGIN_TEST(oid10, "compare two oids (greater than)")
 174         git_oid a, b;
 175         unsigned char a_in[] = {
 176                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 177                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 178                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 179                 0xa8, 0xbd, 0x74, 0xf5, 0xe0,
 180         };
 181         unsigned char b_in[] = {
 182                 0x16, 0xa6, 0x77, 0x70, 0xb7,
 183                 0xd8, 0xd7, 0x23, 0x17, 0xc4,
 184                 0xb7, 0x75, 0x21, 0x3c, 0x23,
 185                 0xa8, 0xbd, 0x74, 0xf5, 0xd0,
 186         };
 187
 188         git_oid_fromraw(&a, a_in);
 189         git_oid_fromraw(&b, b_in);
 190         must_be_true(git_oid_cmp(&a, &b) > 0);
 191 END_TEST
 192
 193 BEGIN_TEST(oid11, "compare formated oids")
 194         const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
 195         git_oid in;
 196         char out[GIT_OID_HEXSZ + 1];
 197
 198         must_pass(git_oid_fromstr(&in, exp));
 199
 200         /* Format doesn't touch the last byte */
 201         out[GIT_OID_HEXSZ] = 'Z';
 202         git_oid_fmt(out, &in);
 203         must_be_true(out[GIT_OID_HEXSZ] == 'Z');
 204
 205         /* Format produced the right result */
 206         out[GIT_OID_HEXSZ] = '\0';
 207         must_be_true(strcmp(exp, out) == 0);
 208 END_TEST
 209
 210 BEGIN_TEST(oid12, "compare oids (allocate + format)")
 211         const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
 212         git_oid in;
 213         char *out;
 214
 215         must_pass(git_oid_fromstr(&in, exp));
 216
 217         out = git_oid_allocfmt(&in);
 218         must_be_true(out);
 219         must_be_true(strcmp(exp, out) == 0);
 220         free(out);
 221 END_TEST
 222
 223 BEGIN_TEST(oid13, "compare oids (path format)")
 224         const char *exp1 = "16a0123456789abcdef4b775213c23a8bd74f5e0";
 225         const char *exp2 = "16/a0123456789abcdef4b775213c23a8bd74f5e0";
 226         git_oid in;
 227         char out[GIT_OID_HEXSZ + 2];
 228
 229         must_pass(git_oid_fromstr(&in, exp1));
 230
 231         /* Format doesn't touch the last byte */
 232         out[GIT_OID_HEXSZ + 1] = 'Z';
 233         git_oid_pathfmt(out, &in);
 234         must_be_true(out[GIT_OID_HEXSZ + 1] == 'Z');
 235
 236         /* Format produced the right result */
 237         out[GIT_OID_HEXSZ + 1] = '\0';
 238         must_be_true(strcmp(exp2, out) == 0);
 239 END_TEST
 240
 241 BEGIN_TEST(oid14, "convert raw oid to string")
 242         const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
 243         git_oid in;
 244         char out[GIT_OID_HEXSZ + 1];
 245         char *str;
 246         int i;
 247
 248         must_pass(git_oid_fromstr(&in, exp));
 249
 250         /* NULL buffer pointer, returns static empty string */
 251         str = git_oid_to_string(NULL, sizeof(out), &in);
 252         must_be_true(str && *str == '\0' && str != out);
 253
 254         /* zero buffer size, returns static empty string */
 255         str = git_oid_to_string(out, 0, &in);
 256         must_be_true(str && *str == '\0' && str != out);
 257
 258         /* NULL oid pointer, returns static empty string */
 259         str = git_oid_to_string(out, sizeof(out), NULL);
 260         must_be_true(str && *str == '\0' && str != out);
 261
 262         /* n == 1, returns out as an empty string */
 263         str = git_oid_to_string(out, 1, &in);
 264         must_be_true(str && *str == '\0' && str == out);
 265
 266         for (i = 1; i < GIT_OID_HEXSZ; i++) {
 267                 out[i+1] = 'Z';
 268                 str = git_oid_to_string(out, i+1, &in);
 269                 /* returns out containing c-string */
 270                 must_be_true(str && str == out);
 271                 /* must be '\0' terminated */
 272                 must_be_true(*(str+i) == '\0');
 273                 /* must not touch bytes past end of string */
 274                 must_be_true(*(str+(i+1)) == 'Z');
 275                 /* i == n-1 charaters of string */
 276                 must_pass(strncmp(exp, out, i));
 277         }
 278
 279         /* returns out as hex formatted c-string */
 280         str = git_oid_to_string(out, sizeof(out), &in);
 281         must_be_true(str && str == out && *(str+GIT_OID_HEXSZ) == '\0');
 282         must_be_true(strcmp(exp, out) == 0);
 283 END_TEST
 284
 285 BEGIN_TEST(oid15, "convert raw oid to string (big)")
 286         const char *exp = "16a0123456789abcdef4b775213c23a8bd74f5e0";
 287         git_oid in;
 288         char big[GIT_OID_HEXSZ + 1 + 3]; /* note + 4 => big buffer */
 289         char *str;
 290
 291         must_pass(git_oid_fromstr(&in, exp));
 292
 293         /* place some tail material */
 294         big[GIT_OID_HEXSZ+0] = 'W'; /* should be '\0' afterwards */
 295         big[GIT_OID_HEXSZ+1] = 'X'; /* should remain untouched   */
 296         big[GIT_OID_HEXSZ+2] = 'Y'; /* ditto */
 297         big[GIT_OID_HEXSZ+3] = 'Z'; /* ditto */
 298
 299         /* returns big as hex formatted c-string */
 300         str = git_oid_to_string(big, sizeof(big), &in);
 301         must_be_true(str && str == big && *(str+GIT_OID_HEXSZ) == '\0');
 302         must_be_true(strcmp(exp, big) == 0);
 303
 304         /* check tail material is untouched */
 305         must_be_true(str && str == big && *(str+GIT_OID_HEXSZ+1) == 'X');
 306         must_be_true(str && str == big && *(str+GIT_OID_HEXSZ+2) == 'Y');
 307         must_be_true(str && str == big && *(str+GIT_OID_HEXSZ+3) == 'Z');
 308 END_TEST
 309
 310
 311 BEGIN_TEST(oid16, "make sure the OID shortener doesn't choke on duplicate sha1s")
 312
 313         git_oid_shorten *os;
 314         int min_len;
 315
 316         os = git_oid_shorten_new(0);
 317         must_be_true(os != NULL);
 318
 319         git_oid_shorten_add(os, "22596363b3de40b06f981fb85d82312e8c0ed511");
 320         git_oid_shorten_add(os, "ce08fe4884650f067bd5703b6a59a8b3b3c99a09");
 321         git_oid_shorten_add(os, "16a0123456789abcdef4b775213c23a8bd74f5e0");
 322         min_len = git_oid_shorten_add(os, "ce08fe4884650f067bd5703b6a59a8b3b3c99a09");
 323
 324         must_be_true(min_len == GIT_OID_HEXSZ + 1);
 325
 326         git_oid_shorten_free(os);
 327 END_TEST
 328
 329 BEGIN_TEST(oid17, "stress test for the git_oid_shorten object")
 330
 331 #define MAX_OIDS 1000
 332
 333         git_oid_shorten *os;
 334         char *oids[MAX_OIDS];
 335         char number_buffer[16];
 336         git_oid oid;
 337         size_t i, j;
 338
 339         int min_len = 0, found_collision;
 340
 341         os = git_oid_shorten_new(0);
 342         must_be_true(os != NULL);
 343
 344         /*
 345          * Insert in the shortener 1000 unique SHA1 ids
 346          */
 347         for (i = 0; i < MAX_OIDS; ++i) {
 348                 char *oid_text;
 349
 350                 sprintf(number_buffer, "%u", (unsigned int)i);
 351                 git_hash_buf(&oid, number_buffer, strlen(number_buffer));
 352
 353                 oid_text = git__malloc(GIT_OID_HEXSZ + 1);
 354                 git_oid_fmt(oid_text, &oid);
 355                 oid_text[GIT_OID_HEXSZ] = 0;
 356
 357                 min_len = git_oid_shorten_add(os, oid_text);
 358                 must_be_true(min_len >= 0);
 359
 360                 oids[i] = oid_text;
 361         }
 362
 363         /*
 364          * Compare the first `min_char - 1` characters of each
 365          * SHA1 OID. If the minimizer worked, we should find at
 366          * least one collision
 367          */
 368         found_collision = 0;
 369         for (i = 0; i < MAX_OIDS; ++i) {
 370                 for (j = 0; j < MAX_OIDS; ++j) {
 371                         if (i != j && memcmp(oids[i], oids[j], min_len - 1) == 0)
 372                                 found_collision = 1;
 373                 }
 374         }
 375         must_be_true(found_collision == 1);
 376
 377         /*
 378          * Compare the first `min_char` characters of each
 379          * SHA1 OID. If the minimizer worked, every single preffix
 380          * should be unique.
 381          */
 382         found_collision = 0;
 383         for (i = 0; i < MAX_OIDS; ++i) {
 384                 for (j = 0; j < MAX_OIDS; ++j) {
 385                         if (i != j && memcmp(oids[i], oids[j], min_len) == 0)
 386                                 found_collision = 1;
 387                 }
 388         }
 389         must_be_true(found_collision == 0);
 390
 391         /* cleanup */
 392         for (i = 0; i < MAX_OIDS; ++i)
 393                 free(oids[i]);
 394
 395         git_oid_shorten_free(os);
 396
 397 #undef MAX_OIDS
 398 END_TEST
 399
 400 static char *hello_id = "22596363b3de40b06f981fb85d82312e8c0ed511";
 401 static char *hello_text = "hello world\n";
 402
 403 static char *bye_id = "ce08fe4884650f067bd5703b6a59a8b3b3c99a09";
 404 static char *bye_text = "bye world\n";
 405
 406 BEGIN_TEST(hash0, "normal hash by blocks")
 407     git_hash_ctx *ctx;
 408     git_oid id1, id2;
 409
 410     must_be_true((ctx = git_hash_new_ctx()) != NULL);
 411
 412         /* should already be init'd */
 413     git_hash_update(ctx, hello_text, strlen(hello_text));
 414     git_hash_final(&id2, ctx);
 415     must_pass(git_oid_fromstr(&id1, hello_id));
 416     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 417
 418         /* reinit should permit reuse */
 419     git_hash_init(ctx);
 420     git_hash_update(ctx, bye_text, strlen(bye_text));
 421     git_hash_final(&id2, ctx);
 422     must_pass(git_oid_fromstr(&id1, bye_id));
 423     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 424
 425     git_hash_free_ctx(ctx);
 426 END_TEST
 427
 428 BEGIN_TEST(hash1, "hash whole buffer in a single call")
 429     git_oid id1, id2;
 430
 431     must_pass(git_oid_fromstr(&id1, hello_id));
 432
 433     git_hash_buf(&id2, hello_text, strlen(hello_text));
 434
 435     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 436 END_TEST
 437
 438 BEGIN_TEST(hash2, "hash a vector")
 439     git_oid id1, id2;
 440     git_buf_vec vec[2];
 441
 442     must_pass(git_oid_fromstr(&id1, hello_id));
 443
 444     vec[0].data = hello_text;
 445     vec[0].len  = 4;
 446     vec[1].data = hello_text+4;
 447     vec[1].len  = strlen(hello_text)-4;
 448
 449     git_hash_vec(&id2, vec, 2);
 450
 451     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 452 END_TEST
 453
 454 BEGIN_TEST(objtype0, "convert type to string")
 455         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_BAD), ""));
 456         must_be_true(!strcmp(git_object_type2string(GIT_OBJ__EXT1), ""));
 457         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_COMMIT), "commit"));
 458         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_TREE), "tree"));
 459         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_BLOB), "blob"));
 460         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_TAG), "tag"));
 461         must_be_true(!strcmp(git_object_type2string(GIT_OBJ__EXT2), ""));
 462         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_OFS_DELTA), "OFS_DELTA"));
 463         must_be_true(!strcmp(git_object_type2string(GIT_OBJ_REF_DELTA), "REF_DELTA"));
 464
 465         must_be_true(!strcmp(git_object_type2string(-2), ""));
 466         must_be_true(!strcmp(git_object_type2string(8), ""));
 467         must_be_true(!strcmp(git_object_type2string(1234), ""));
 468 END_TEST
 469
 470 BEGIN_TEST(objtype1, "convert string to type")
 471         must_be_true(git_object_string2type(NULL) == GIT_OBJ_BAD);
 472         must_be_true(git_object_string2type("") == GIT_OBJ_BAD);
 473         must_be_true(git_object_string2type("commit") == GIT_OBJ_COMMIT);
 474         must_be_true(git_object_string2type("tree") == GIT_OBJ_TREE);
 475         must_be_true(git_object_string2type("blob") == GIT_OBJ_BLOB);
 476         must_be_true(git_object_string2type("tag") == GIT_OBJ_TAG);
 477         must_be_true(git_object_string2type("OFS_DELTA") == GIT_OBJ_OFS_DELTA);
 478         must_be_true(git_object_string2type("REF_DELTA") == GIT_OBJ_REF_DELTA);
 479
 480         must_be_true(git_object_string2type("CoMmIt") == GIT_OBJ_BAD);
 481         must_be_true(git_object_string2type("hohoho") == GIT_OBJ_BAD);
 482 END_TEST
 483
 484 BEGIN_TEST(objtype2, "check if an object type is loose")
 485         must_be_true(git_object_typeisloose(GIT_OBJ_BAD) == 0);
 486         must_be_true(git_object_typeisloose(GIT_OBJ__EXT1) == 0);
 487         must_be_true(git_object_typeisloose(GIT_OBJ_COMMIT) == 1);
 488         must_be_true(git_object_typeisloose(GIT_OBJ_TREE) == 1);
 489         must_be_true(git_object_typeisloose(GIT_OBJ_BLOB) == 1);
 490         must_be_true(git_object_typeisloose(GIT_OBJ_TAG) == 1);
 491         must_be_true(git_object_typeisloose(GIT_OBJ__EXT2) == 0);
 492         must_be_true(git_object_typeisloose(GIT_OBJ_OFS_DELTA) == 0);
 493         must_be_true(git_object_typeisloose(GIT_OBJ_REF_DELTA) == 0);
 494
 495         must_be_true(git_object_typeisloose(-2) == 0);
 496         must_be_true(git_object_typeisloose(8) == 0);
 497         must_be_true(git_object_typeisloose(1234) == 0);
 498 END_TEST
 499
 500 BEGIN_TEST(objhash0, "hash junk data")
 501     git_oid id, id_zero;
 502
 503     must_pass(git_oid_fromstr(&id_zero, zero_id));
 504
 505     /* invalid types: */
 506     junk_obj.data = some_data;
 507     must_fail(hash_object(&id, &junk_obj));
 508
 509     junk_obj.type = GIT_OBJ__EXT1;
 510     must_fail(hash_object(&id, &junk_obj));
 511
 512     junk_obj.type = GIT_OBJ__EXT2;
 513     must_fail(hash_object(&id, &junk_obj));
 514
 515     junk_obj.type = GIT_OBJ_OFS_DELTA;
 516     must_fail(hash_object(&id, &junk_obj));
 517
 518     junk_obj.type = GIT_OBJ_REF_DELTA;
 519     must_fail(hash_object(&id, &junk_obj));
 520
 521     /* data can be NULL only if len is zero: */
 522     junk_obj.type = GIT_OBJ_BLOB;
 523     junk_obj.data = NULL;
 524     must_pass(hash_object(&id, &junk_obj));
 525     must_be_true(git_oid_cmp(&id, &id_zero) == 0);
 526
 527     junk_obj.len = 1;
 528     must_fail(hash_object(&id, &junk_obj));
 529 END_TEST
 530
 531 BEGIN_TEST(objhash1, "hash a commit object")
 532     git_oid id1, id2;
 533
 534     must_pass(git_oid_fromstr(&id1, commit_id));
 535
 536     must_pass(hash_object(&id2, &commit_obj));
 537
 538     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 539 END_TEST
 540
 541 BEGIN_TEST(objhash2, "hash a tree object")
 542     git_oid id1, id2;
 543
 544     must_pass(git_oid_fromstr(&id1, tree_id));
 545
 546     must_pass(hash_object(&id2, &tree_obj));
 547
 548     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 549 END_TEST
 550
 551 BEGIN_TEST(objhash3, "hash a tag object")
 552     git_oid id1, id2;
 553
 554     must_pass(git_oid_fromstr(&id1, tag_id));
 555
 556     must_pass(hash_object(&id2, &tag_obj));
 557
 558     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 559 END_TEST
 560
 561 BEGIN_TEST(objhash4, "hash a zero-length object")
 562     git_oid id1, id2;
 563
 564     must_pass(git_oid_fromstr(&id1, zero_id));
 565
 566     must_pass(hash_object(&id2, &zero_obj));
 567
 568     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 569 END_TEST
 570
 571 BEGIN_TEST(objhash5, "hash an one-byte long object")
 572     git_oid id1, id2;
 573
 574     must_pass(git_oid_fromstr(&id1, one_id));
 575
 576     must_pass(hash_object(&id2, &one_obj));
 577
 578     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 579 END_TEST
 580
 581 BEGIN_TEST(objhash6, "hash a two-byte long object")
 582     git_oid id1, id2;
 583
 584     must_pass(git_oid_fromstr(&id1, two_id));
 585
 586     must_pass(hash_object(&id2, &two_obj));
 587
 588     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 589 END_TEST
 590
 591 BEGIN_TEST(objhash7, "hash an object several bytes long")
 592     git_oid id1, id2;
 593
 594     must_pass(git_oid_fromstr(&id1, some_id));
 595
 596     must_pass(hash_object(&id2, &some_obj));
 597
 598     must_be_true(git_oid_cmp(&id1, &id2) == 0);
 599 END_TEST
 600
 601 BEGIN_SUITE(rawobjects)
 602         ADD_TEST(oid0);
 603         ADD_TEST(oid1);
 604         ADD_TEST(oid2);
 605         ADD_TEST(oid3);
 606         ADD_TEST(oid4);
 607         ADD_TEST(oid5);
 608         ADD_TEST(oid6);
 609         ADD_TEST(oid7);
 610         ADD_TEST(oid8);
 611         ADD_TEST(oid9);
 612         ADD_TEST(oid10);
 613         ADD_TEST(oid11);
 614         ADD_TEST(oid12);
 615         ADD_TEST(oid13);
 616         ADD_TEST(oid14);
 617         ADD_TEST(oid15);
 618         ADD_TEST(oid16);
 619         ADD_TEST(oid17);
 620
 621         ADD_TEST(hash0);
 622         ADD_TEST(hash1);
 623         ADD_TEST(hash2);
 624
 625         ADD_TEST(objtype0);
 626         ADD_TEST(objtype1);
 627         ADD_TEST(objtype2);
 628
 629         ADD_TEST(objhash0);
 630         ADD_TEST(objhash1);
 631         ADD_TEST(objhash2);
 632         ADD_TEST(objhash3);
 633         ADD_TEST(objhash4);
 634         ADD_TEST(objhash5);
 635         ADD_TEST(objhash6);
 636         ADD_TEST(objhash7);
 637 END_SUITE
 638