projects / apple / hfs.git / blame
| Commit | Line | Data |
|---|---|---|
| 558d2836 A |
1 | #include <TargetConditionals.h> |
| 2 | ||
| 3 | #if !TARGET_OS_EMBEDDED | |
| 4 | ||
| 5 | #include <sys/time.h> | |
| 6 | #include <fcntl.h> | |
| 7 | #include <unistd.h> | |
| 8 | #include <spawn.h> | |
| 9 | ||
| 10 | #import <Foundation/Foundation.h> | |
| 11 | ||
| 12 | #include "hfs-tests.h" | |
| 13 | #include "test-utils.h" | |
| 14 | #include "disk-image.h" | |
| 15 | ||
| 16 | TEST(file_too_big) | |
| 17 | ||
| 18 | #define DISK_IMAGE "/tmp/file_too_big.sparseimage" | |
| 19 | ||
| 20 | int run_file_too_big(__unused test_ctx_t *ctx) | |
| 21 | { | |
| 22 | int fd; | |
| 23 | ||
| 24 | disk_image_t *di = disk_image_create(DISK_IMAGE, &(disk_image_opts_t){ | |
| 25 | .size = 16 TB | |
| 26 | }); | |
| 27 | ||
| 28 | struct timeval start, end, elapsed; | |
| 29 | ||
| 30 | char *file; | |
| 31 | asprintf(&file, "%s/file-too-big", di->mount_point); | |
| 32 | assert_with_errno((fd = open(file, O_RDWR | O_CREAT, 0666)) >= 0); | |
| 33 | ||
| 34 | assert_no_err(gettimeofday(&start, NULL)); | |
| 35 | ||
| 36 | assert(pwrite(fd, &fd, 4, 128 * 1024ull * 1024 * 1024 * 1024) == -1 | |
| 37 | && errno == ENOSPC); | |
| 38 | ||
| 39 | assert_no_err(close(fd)); | |
| 40 | ||
| 41 | assert_no_err(gettimeofday(&end, NULL)); | |
| 42 | ||
| 43 | timersub(&end, &start, &elapsed); | |
| 44 | assert(elapsed.tv_sec < 1); | |
| 45 | ||
| 46 | // Check truncate | |
| 47 | ||
| 48 | assert_no_err(gettimeofday(&start, NULL)); | |
| 49 | ||
| 50 | assert(truncate(file, 128 * 1024ull * 1024 * 1024 * 1024) == -1); | |
| 51 | assert_with_errno(errno == ENOSPC); | |
| 52 | ||
| 53 | assert_no_err(gettimeofday(&end, NULL)); | |
| 54 | ||
| 55 | timersub(&end, &start, &elapsed); | |
| 56 | assert(elapsed.tv_sec < 1); | |
| 57 | ||
| 58 | // Check preallocate | |
| 59 | ||
| 60 | assert_no_err(gettimeofday(&start, NULL)); | |
| 61 | ||
| 62 | assert((fd = open(file, O_RDWR)) >= 0); | |
| 63 | ||
| 64 | fstore_t fst = { | |
| 65 | .fst_flags = F_ALLOCATEALL, | |
| 66 | .fst_posmode = F_PEOFPOSMODE, | |
| 67 | .fst_length = 128 * 1024ull * 1024 * 1024 * 1024, | |
| 68 | }; | |
| 69 | ||
| 70 | assert(fcntl(fd, F_PREALLOCATE, &fst) == -1 && errno == ENOSPC); | |
| 71 | assert(fst.fst_bytesalloc == 0); | |
| 72 | ||
| 73 | assert_no_err(close(fd)); | |
| 74 | ||
| 75 | assert_no_err(gettimeofday(&end, NULL)); | |
| 76 | ||
| 77 | timersub(&end, &start, &elapsed); | |
| 78 | assert(elapsed.tv_sec < 1); | |
| 79 | ||
| 80 | // And check preallocate works without the F_ALLOCATEALL flag | |
| 81 | ||
| 82 | assert((fd = open(file, O_RDWR)) >= 0); | |
| 83 | ||
| 84 | fst.fst_flags = 0; | |
| 85 | ||
| 86 | assert(fcntl(fd, F_PREALLOCATE, &fst) == -1 && errno == ENOSPC); | |
| 87 | ||
| 88 | // It should have allocated at least 32 MB | |
| 89 | assert(fst.fst_bytesalloc > 32 * 1024 * 1024); | |
| 90 | ||
| 91 | assert_no_err(close(fd)); | |
| 92 | ||
| 93 | return 0; | |
| 94 | } | |
| 95 | ||
| 96 | #endif // !TARGET_OS_EMBEDDED |