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tests for writing max-sized file

master
A 2020-05-03 17:08:37 -07:00
parent 1538ab79b9
commit c698e987dc
1 changed files with 23 additions and 4 deletions
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27
main.c
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@ -31,6 +31,7 @@ int main()
return 1; return 1;
// test it out real quick // test it out real quick
fs_create("example");
int d = fs_open("example"); int d = fs_open("example");
char buffer[13] = "what is this"; char buffer[13] = "what is this";
char target[13]; char target[13];
@ -43,7 +44,6 @@ int main()
printf("\nreading 'example' file\n"); printf("\nreading 'example' file\n");
bytes = fs_read(d, target, 13); bytes = fs_read(d, target, 13);
fs_lseek(d, 0); fs_lseek(d, 0);
printf("result should be '%s': |%s|\n", buffer, target);
printf("%d bytes read\n", bytes); printf("%d bytes read\n", bytes);
print_disk_struct(); print_disk_struct();
@ -85,9 +85,8 @@ int main()
bytes = fs_read(d, chonkt, 8999); bytes = fs_read(d, chonkt, 8999);
fs_lseek(d, 0); fs_lseek(d, 0);
printf("%d bytes read\n", bytes); printf("%d bytes read\n", bytes);
int a =printf("result should be '%s'", chonk); printf("result should be '%s'", chonk);
int b = printf(", and it was this|%s|\n", chonkt); printf(", and it was this|%s|\n", chonkt);
printf("printed %d %d\n", a, b);
print_disk_struct(); print_disk_struct();
printf("\ntruncating that large file\n"); printf("\ntruncating that large file\n");
@ -124,6 +123,26 @@ int main()
} }
print_disk_struct(); print_disk_struct();
printf("\ncreating & writing a file with max possible size (4096x4096)\n");
char bigbuf[BLOCK_SIZE];
memset(bigbuf, 'x', BLOCK_SIZE);
fs_create("big file");
int big_file_fildes = fs_open("big file");
for (int i = 0; i < BLOCK_SIZE; i++)
fs_write(big_file_fildes, bigbuf, BLOCK_SIZE);
print_disk_struct();
printf("\nreading first 100 chars of that giant file\n");
fs_lseek(big_file_fildes, 0);
char bigtarget[101];
memset(bigtarget, 0, 101);
fs_read(big_file_fildes, bigtarget, 100);
printf("result: %s\n", bigtarget);
printf("\ndeleting that giant file\n");
fs_close(big_file_fildes);
fs_delete("big file");
print_disk_struct();
if (umount_fs(diskname) < 0) if (umount_fs(diskname) < 0)