libroot/posix/fseek_test.cpp

362 #define ASSERT(expr)														  \
384 	ASSERT(ch == '#');
386 	ASSERT(ch == '!');
389 	ASSERT(ftell(fp) == 2);
390 	ASSERT(fseek(fp, 0, SEEK_CUR) == 0);
391 	ASSERT(ftell(fp) == 2);
392 	ASSERT(fseek(fp, 0, SEEK_SET) == 0);
393 	ASSERT(ftell(fp) == 0);
394 	ASSERT(fseek(fp, 0, SEEK_END) == 0);
395 	ASSERT(ftell(fp) == 10);
396 	ASSERT(fgetc(fp) == EOF);
399 	ASSERT(fseek(fp, 2, SEEK_SET) == 0);
400 	ASSERT(ftell(fp) == 2);
402 	ASSERT(ch == '/');
405 	ASSERT(ftell(fp) == 3);
406 	ASSERT(ungetc(ch, fp) == ch);
407 	ASSERT(ftell(fp) == 2);
408 	ASSERT(fgetc(fp) == ch);
409 	ASSERT(ungetc(ch, fp) == ch);
410 	ASSERT(ftell(fp) == 2);
411 	ASSERT(ungetc('!', fp) == '!');
412 	ASSERT(ftell(fp) == 1);
413 	ASSERT(ungetc('#', fp) == '#');
414 	ASSERT(ftell(fp) == 0);
415 	ASSERT(fseek(fp, 0, SEEK_CUR) == 0);
416 	ASSERT(ftell(fp) == 0);
417 	ASSERT(fseek(fp, 2, SEEK_SET) == 0);
418 	ASSERT(ftell(fp) == 2);
421 	ASSERT(ungetc('x', fp) == 'x');
422 	ASSERT(ftell(fp) == 1);
423 	ASSERT(ungetc('y', fp) == 'y');
424 	ASSERT(ftell(fp) == 0);
425 	ASSERT(fgetc(fp) == 'y');
426 	ASSERT(ftell(fp) == 1);
427 	ASSERT(fgetc(fp) == 'x');
428 	ASSERT(ftell(fp) == 2);
431 	ASSERT(ungetc('x', fp) == 'x');
432 	ASSERT(ftell(fp) == 1);
433 	ASSERT(ungetc('y', fp) == 'y');
434 	ASSERT(fseek(fp, 0, SEEK_CUR) == 0);
435 	ASSERT(ftell(fp) == 0);
436 	ASSERT(fgetc(fp) == '#');
437 	ASSERT(ftell(fp) == 1);
438 	ASSERT(fgetc(fp) == '!');
439 	ASSERT(ftell(fp) == 2);
442 	ASSERT(fseek(fp, 0, SEEK_END) == 0);
443 	ASSERT(ftell(fp) == 10);
444 	ASSERT(!feof(fp));
445 	ASSERT(fgetc(fp) == EOF);
446 	ASSERT(feof(fp));
447 	ASSERT(ungetc(' ', fp) == ' ');
448 	ASSERT(!feof(fp));
449 	ASSERT(fgetc(fp) == ' ');
450 	ASSERT(!feof(fp));
451 	ASSERT(fgetc(fp) == EOF);
452 	ASSERT(feof(fp));
455 	ASSERT(fseek(fp, 2, SEEK_SET) == 0);
456 	ASSERT(ftell(fp) == 2);
457 	ASSERT(fseek(fp, 0, SEEK_END) == 0);
458 	ASSERT(ftell(fp) == 10);
459 	ASSERT(ungetc(' ', fp) == ' ');
460 	ASSERT(fseek(fp, 0, SEEK_END) == 0);
461 	ASSERT(fgetc(fp) == EOF);
462 	ASSERT(ftell(fp) == 10);