+static void endOfSpace(BattFsSuper *disk)
+{
+ TRACEMSG("20: what happens when disk space is over?\n");
+ BattFs fd1;
+ uint8_t buf[(PAGE_SIZE - BATTFS_HEADER_LEN) * 5];
+
+ FILE *fp = fopen(test_filename, "w+");
+ for (int i = 0; i < PAGE_SIZE * 4; i++)
+ fputc(0xff, fp);
+ KBlockFile f;
+ kblockfile_init(&f, fp, page_buffer, PAGE_SIZE, 4);
+
+ unsigned int PAGE_FILL = PAGE_SIZE - BATTFS_HEADER_LEN;
+ inode_t INODE = 0;
+ unsigned int MODE = BATTFS_CREATE;
+
+ battfs_eraseBlock(&f.b, 0);
+ battfs_eraseBlock(&f.b, 1);
+ battfs_eraseBlock(&f.b, 2);
+ battfs_eraseBlock(&f.b, 3);
+
+ ASSERT(battfs_mount(disk, &f.b, page_array, sizeof(page_array)));
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_fileopen(disk, &fd1, INODE, MODE));
+ ASSERT(kfile_write(&fd1.fd, buf, sizeof(buf)) == PAGE_FILL * 4);
+ ASSERT(fd1.fd.size == (kfile_off_t)(PAGE_FILL * 4));
+ ASSERT(fd1.fd.seek_pos == (kfile_off_t)(PAGE_FILL * 4));
+ ASSERT(disk->free_bytes == 0);
+
+ ASSERT(kfile_close(&fd1.fd) == 0);
+ ASSERT(kfile_error(&fd1.fd) == BATTFS_DISK_SPACEOVER_ERR);
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+ TRACEMSG("20: passed\n");
+}
+
+
+static void multipleFilesRW(BattFsSuper *disk)
+{
+ TRACEMSG("21: multiple files read/write test\n");
+
+ FILE *fpt = fopen(test_filename, "w+");
+ for (int i = 0; i < FILE_SIZE; i++)
+ fputc(0xff, fpt);
+ KBlockFile f;
+ kblockfile_init(&f, fpt, page_buffer, PAGE_SIZE, PAGE_COUNT);
+
+ #define N_FILES 10
+ BattFs fd[N_FILES];
+ unsigned int MODE = BATTFS_CREATE;
+ uint32_t buf[FILE_SIZE / (4 * N_FILES * sizeof(uint32_t))];
+
+ ASSERT(battfs_mount(disk, &f.b, page_array, sizeof(page_array)));
+ ASSERT(battfs_fsck(disk));
+ for (inode_t i = 0; i < N_FILES; i++)
+ ASSERT(battfs_fileopen(disk, &fd[i], i, MODE));
+
+ for (int i = N_FILES - 1; i >= 0; i--)
+ {
+ for (uint32_t j = 0; j < countof(buf); j++)
+ buf[j] = j+i;
+
+ ASSERT(kfile_write(&fd[i].fd, buf, sizeof(buf)) == sizeof(buf));
+ ASSERT(fd[i].fd.size == sizeof(buf));
+ ASSERT(fd[i].fd.seek_pos == sizeof(buf));
+ ASSERT(kfile_seek(&fd[i].fd, 0, SEEK_SET) == 0);
+ }
+
+ for (inode_t i = 0; i < N_FILES; i++)
+ {
+ memset(buf, 0, sizeof(buf));
+ ASSERT(kfile_read(&fd[i].fd, buf, sizeof(buf)) == sizeof(buf));
+
+ for (uint32_t j = 0; j < countof(buf); j++)
+ ASSERT(buf[j] == j+i);
+
+ ASSERT(fd[i].fd.size == sizeof(buf));
+ ASSERT(fd[i].fd.seek_pos == sizeof(buf));
+ ASSERT(kfile_seek(&fd[i].fd, 0, SEEK_SET) == 0);
+ }
+
+ for (inode_t i = 0; i < N_FILES; i++)
+ {
+ ASSERT(kfile_close(&fd[i].fd) == 0);
+ ASSERT(kfile_error(&fd[i].fd) == 0);
+ }
+
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+ fpt = fopen(test_filename, "r+");
+ kblockfile_init(&f, fpt, page_buffer, PAGE_SIZE, PAGE_COUNT);
+
+ ASSERT(battfs_mount(disk, &f.b, page_array, sizeof(page_array)));
+ ASSERT(battfs_fsck(disk));
+
+ for (inode_t i = 0; i < N_FILES; i++)
+ ASSERT(battfs_fileopen(disk, &fd[i], i, 0));
+
+ for (inode_t i = 0; i < N_FILES; i++)
+ {
+ memset(buf, 0, sizeof(buf));
+ ASSERT(kfile_read(&fd[i].fd, buf, sizeof(buf)) == sizeof(buf));
+
+ for (uint32_t j = 0; j < countof(buf); j++)
+ ASSERT(buf[j] == j+i);
+
+ ASSERT(fd[i].fd.size == sizeof(buf));
+ ASSERT(fd[i].fd.seek_pos == sizeof(buf));
+ ASSERT(kfile_seek(&fd[i].fd, 0, SEEK_SET) == 0);
+ }
+
+ for (inode_t i = 0; i < N_FILES; i++)
+ {
+ ASSERT(kfile_close(&fd[i].fd) == 0);
+ ASSERT(kfile_error(&fd[i].fd) == 0);
+ }
+
+ ASSERT(battfs_umount(disk));
+ TRACEMSG("21: passed\n");
+}
+
+
+static void openAllFiles(BattFsSuper *disk)
+{
+ TRACEMSG("22: try to open a lot of files\n");
+
+ FILE *fpt = fopen(test_filename, "w+");
+ for (int i = 0; i < FILE_SIZE; i++)
+ fputc(0xff, fpt);
+ KBlockFile f;
+ kblockfile_init(&f, fpt, page_buffer, PAGE_SIZE, PAGE_COUNT);
+
+ BattFs fd[BATTFS_MAX_FILES];
+ unsigned int MODE = BATTFS_CREATE;
+
+ ASSERT(battfs_mount(disk, &f.b, page_array, sizeof(page_array)));
+ ASSERT(battfs_fsck(disk));
+ for (unsigned i = 0; i < countof(fd); i++)
+ ASSERT(battfs_fileopen(disk, &fd[i], i, MODE));
+
+ ASSERT(battfs_fsck(disk));
+
+ for (unsigned i = 0; i < countof(fd); i++)
+ {
+ ASSERT(kfile_close(&fd[i].fd) == 0);
+ ASSERT(kfile_error(&fd[i].fd) == 0);
+ }
+
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+
+ fpt = fopen(test_filename, "r+");
+ kblockfile_init(&f, fpt, page_buffer, PAGE_SIZE, PAGE_COUNT);
+
+ ASSERT(battfs_mount(disk, &f.b, page_array, sizeof(page_array)));
+ ASSERT(battfs_fsck(disk));
+
+
+ for (unsigned i = 0; i < countof(fd); i++)
+ ASSERT(battfs_fileopen(disk, &fd[i], i, MODE));
+
+ ASSERT(battfs_fsck(disk));
+
+ for (unsigned i = 0; i < countof(fd); i++)
+ {
+ ASSERT(kfile_close(&fd[i].fd) == 0);
+ ASSERT(kfile_error(&fd[i].fd) == 0);
+ }
+
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+ TRACEMSG("22: passed\n");
+}
+