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1#include <TargetConditionals.h>
2
3#if !TARGET_OS_EMBEDDED
4
5#include <unistd.h>
6#include <sys/fcntl.h>
7#include <spawn.h>
8
9#include <Foundation/Foundation.h>
10
11#include "hfs-tests.h"
12#include "test-utils.h"
13#include "systemx.h"
14#include "disk-image.h"
15
16TEST(resize)
17
18static disk_image_t *di;
19
20#define DISK_IMAGE "/tmp/hfs_resize.sparseimage"
21
22int run_resize(__unused test_ctx_t *ctx)
23{
24 di = disk_image_create(DISK_IMAGE, &(disk_image_opts_t){
25 .size = 100 * 1024 * 1024
26 });
27
28 int fd;
29
30 // Create two fragmented files
31 for (int i = 0; i < 2; ++i) {
32 char *path;
33 asprintf(&path, "%s/fragmented-file.%d", di->mount_point, i);
34
35 fd = open(path, O_RDWR | O_TRUNC | O_CREAT, 0666);
36 assert_with_errno(fd >= 0);
37
38 /*
39 * First file we want near the end of the volume. Second file
40 * at the beginning.
41 */
42 fstore_t fstore = {
43 .fst_flags = F_ALLOCATECONTIG | F_ALLOCATEALL,
44 .fst_posmode = F_VOLPOSMODE,
45 .fst_offset = i == 0 ? 80 * 1024 * 1024 : 4096,
46 };
47
48 off_t len = 0;
49
50 for (int j = 0; j < 64; ++j) {
51 if (len) {
52 struct log2phys l2p = {
53 .l2p_contigbytes = 4096,
54 .l2p_devoffset = len - 4096,
55 };
56
57 assert_no_err(fcntl(fd, F_LOG2PHYS_EXT, &l2p));
58
59 fstore.fst_offset = l2p.l2p_devoffset + 16384;
60 }
61
62 len += 4096;
63
64 fstore.fst_length = len;
65
66 assert_no_err(fcntl(fd, F_PREALLOCATE, &fstore));
67 }
68
69 assert_no_err(ftruncate(fd, len));
70
71 assert_no_err(close(fd));
72 }
73
74 assert(!systemx("/usr/sbin/diskutil", SYSTEMX_QUIET, "resizeVolume", di->mount_point, "40m", NULL));
75
76 return 0;
77}
78
79#endif // !TARGET_OS_EMBEDDED