+static void readEOF(BattFsSuper *disk)
+{
+ BattFs fd1;
+ uint8_t buf[16];
+
+ TRACEMSG("18: reading over EOF test\n");
+
+ fp = fopen(test_filename, "w+");
+
+ unsigned int PAGE_FILL = PAGE_SIZE - BATTFS_HEADER_LEN;
+ inode_t INODE = 0;
+ inode_t INODE2 = 4;
+ unsigned int MODE = 0;
+
+ disk->erase(disk, 0);
+ battfs_writeTestBlock(disk, 1, INODE, 0, PAGE_FILL, 0);
+ battfs_writeTestBlock(disk, 2, INODE, 3, PAGE_FILL, 1);
+ battfs_writeTestBlock(disk, 3, INODE, 0, PAGE_FILL, 1);
+ disk->erase(disk, 4);
+ battfs_writeTestBlock(disk, 5, INODE2, 0, PAGE_FILL, 0);
+ battfs_writeTestBlock(disk, 6, INODE2, 1, PAGE_FILL, 1);
+ battfs_writeTestBlock(disk, 7, INODE2, 0, PAGE_FILL, 1);
+
+ fclose(fp);
+
+ ASSERT(battfs_mount(disk));
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_fileopen(disk, &fd1, INODE, MODE));
+ ASSERT(kfile_seek(&fd1.fd, fd1.fd.size + 10, SEEK_SET) == fd1.fd.size + 10);
+ ASSERT(fd1.fd.seek_pos == fd1.fd.size + 10);
+ ASSERT(kfile_read(&fd1.fd, buf, sizeof(buf)) == 0);
+
+ ASSERT(kfile_close(&fd1.fd) == 0);
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+ TRACEMSG("18: passed\n");
+}
+
+static void writeEOF(BattFsSuper *disk)
+{
+ TRACEMSG("19: writing over EOF test\n");
+
+ FILE *fpt = fopen(test_filename, "w+");
+
+ for (int i = 0; i < FILE_SIZE / 5; i++)
+ fputc(0xff, fpt);
+ fclose(fpt);
+
+ BattFs fd1;
+ inode_t INODE = 0;
+ unsigned int MODE = BATTFS_CREATE;
+ uint8_t buf[FILE_SIZE / 13];
+
+ for (int i = 0; i < 2; i++)
+ buf[i] = i;
+
+ ASSERT(battfs_mount(disk));
+ ASSERT(battfs_fsck(disk));
+ disk_size_t prev_free = disk->free_bytes;
+ ASSERT(battfs_fileopen(disk, &fd1, INODE, MODE));
+ ASSERT(fd1.fd.size == 0);
+
+ ASSERT(kfile_seek(&fd1.fd, 2, KSM_SEEK_END) == 2);
+ ASSERT(kfile_write(&fd1.fd, buf, 2));
+ ASSERT(fd1.fd.seek_pos == 4);
+ ASSERT(fd1.fd.size == 4);
+ ASSERT(disk->free_bytes == prev_free - 4);
+ ASSERT(kfile_seek(&fd1.fd, 0, KSM_SEEK_SET) == 0);
+ memset(buf, 0, 2);
+ ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+ for (int i = 0; i < 2; i++)
+ ASSERT(buf[i] == 0);
+
+ memset(buf, 0, 2);
+ ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+ for (int i = 0; i < 2; i++)
+ ASSERT(buf[i] == (i & 0xff));
+
+ ASSERT(kfile_seek(&fd1.fd, sizeof(buf), KSM_SEEK_END) == sizeof(buf) + 4);
+ for (unsigned i = 0; i < sizeof(buf); i++)
+ buf[i] = i;
+ ASSERT(kfile_write(&fd1.fd, buf, sizeof(buf)));
+ ASSERT(fd1.fd.seek_pos == sizeof(buf) * 2 + 4);
+ ASSERT(fd1.fd.size == sizeof(buf) * 2 + 4);
+ ASSERT(disk->free_bytes == prev_free - sizeof(buf) * 2 - 4);
+
+ ASSERT(kfile_seek(&fd1.fd, 0, KSM_SEEK_SET) == 0);
+
+ memset(buf, 0, 2);
+ ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+ ASSERT(fd1.fd.seek_pos == 2);
+ for (int i = 0; i < 2; i++)
+ ASSERT(buf[i] == 0);
+
+ memset(buf, 0, 2);
+ ASSERT(kfile_read(&fd1.fd, buf, 2) == 2);
+ ASSERT(fd1.fd.seek_pos == 4);
+ for (int i = 0; i < 2; i++)
+ ASSERT(buf[i] == (i & 0xff));
+
+ memset(buf, 0, 4);
+ ASSERT(kfile_read(&fd1.fd, buf, sizeof(buf)) == sizeof(buf));
+ ASSERT(fd1.fd.seek_pos == sizeof(buf) + 4);
+ for (unsigned i = 0; i < sizeof(buf); i++)
+ ASSERT(buf[i] == 0);
+
+ memset(buf, 0, sizeof(buf));
+ ASSERT(kfile_read(&fd1.fd, buf, sizeof(buf)) == sizeof(buf));
+ for (unsigned i = 0; i < sizeof(buf); i++)
+ ASSERT(buf[i] == (i & 0xff));
+
+ ASSERT(kfile_close(&fd1.fd) == 0);
+ ASSERT(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+ TRACEMSG("19: passed\n");
+
+}
+
+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];
+
+ fp = fopen(test_filename, "w+");
+
+ unsigned int PAGE_FILL = PAGE_SIZE - BATTFS_HEADER_LEN;
+ inode_t INODE = 0;
+ unsigned int MODE = BATTFS_CREATE;
+
+ disk->erase(disk, 0);
+ disk->erase(disk, 1);
+ disk->erase(disk, 2);
+ disk->erase(disk, 3);
+ fclose(fp);
+
+ ASSERT(battfs_mount(disk));
+ 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(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);
+ fclose(fpt);
+
+ #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));
+ 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(battfs_fsck(disk));
+ ASSERT(battfs_umount(disk));
+
+ ASSERT(battfs_mount(disk));
+ 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(battfs_umount(disk));
+ TRACEMSG("21: passed\n");
+}
+
+