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MurmeleMartin Marmsoler
Murmele
authored and
Martin Marmsoler
committed
Add FAT table to test
1 parent e7d4565 commit d2bc1d1

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2 files changed

+102
-14
lines changed

2 files changed

+102
-14
lines changed

‎src/fat/fat_table.rs

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -26,6 +26,7 @@ impl<'a> FatTable<'a> {
2626
const FAT16_DIRTY_BIT: u16 = 15;
2727
const FAT32_DIRTY_BIT: u32 = 27;
2828

29+
#[cfg(test)]
2930
pub(crate) fn dirty(&self) -> bool {
3031
match self.fat_type {
3132
FatType::Fat16 => {

‎src/volume_mgr.rs

Lines changed: 101 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -360,27 +360,36 @@ where
360360
dirty: bool,
361361
) -> Result<(), Error<D::Error>> {
362362
let mut blocks = [Block::new()];
363-
self.block_device.read(
364-
&mut blocks,
365-
volume.lba_start + volume.fat_start,
366-
"reading fat table",
367-
)?;
363+
let fat_table1_start = volume.lba_start + volume.fat_start;
364+
self.block_device
365+
.read(&mut blocks, fat_table1_start, "reading fat table")?;
368366
let block = &mut blocks[0];
369367
let mut fat_table =
370368
fat::FatTable::create_from_bytes(&mut block.contents, volume.get_fat_type())
371369
.map_err(Error::FormatError)?;
372370
fat_table.set_dirty(dirty);
373-
let fat_table_start = volume.lba_start + volume.fat_start;
374371
if volume.fat_nums == 1 || volume.fat_nums == 2 {
375-
self.block_device.write(&blocks, fat_table_start)?;
372+
self.block_device.write(&blocks, fat_table1_start)?;
376373
// Synchronize also backup fat table
377374
if volume.fat_nums == 2 {
378375
self.block_device
379-
.write(&blocks, fat_table_start + volume.fat_size)?
376+
.write(&blocks, fat_table1_start + volume.fat_size)?
380377
}
381378
}
382379
Ok(())
383380
}
381+
#[cfg(test)]
382+
fn volume_status_dirty(&self, volume: &FatVolume) -> Result<bool, Error<D::Error>> {
383+
let mut blocks = [Block::new()];
384+
let fat_table1_start = volume.lba_start + volume.fat_start;
385+
self.block_device
386+
.read(&mut blocks, fat_table1_start, "reading fat table")?;
387+
let block = &mut blocks[0];
388+
let fat_table =
389+
fat::FatTable::create_from_bytes(&mut block.contents, volume.get_fat_type())
390+
.map_err(Error::FormatError)?;
391+
Ok(fat_table.dirty())
392+
}
384393

385394
/// Look in a directory for a named file.
386395
pub fn find_directory_entry<N>(
@@ -1186,6 +1195,7 @@ mod tests {
11861195
use super::*;
11871196
use crate::filesystem::SearchId;
11881197
use crate::Timestamp;
1198+
use crate::VolumeType;
11891199

11901200
struct DummyBlockDevice;
11911201

@@ -1221,7 +1231,8 @@ mod tests {
12211231
_reason: &str,
12221232
) -> Result<(), Self::Error> {
12231233
// Actual blocks taken from an SD card, except I've changed the start and length of partition 0.
1224-
static BLOCKS: [Block; 3] = [
1234+
static BLOCKS: [Block; 4] = [
1235+
// Block 0: MBR
12251236
Block {
12261237
contents: [
12271238
0xfa, 0xb8, 0x00, 0x10, 0x8e, 0xd0, 0xbc, 0x00, 0xb0, 0xb8, 0x00, 0x00,
@@ -1290,10 +1301,11 @@ mod tests {
12901301
0x00, 0x00, 0x55, 0xaa, // 0x1F0
12911302
],
12921303
},
1304+
// Block 1: Partition 0 Boot block
12931305
Block {
12941306
contents: [
12951307
0xeb, 0x58, 0x90, 0x6d, 0x6b, 0x66, 0x73, 0x2e, 0x66, 0x61, 0x74, 0x00,
1296-
0x02, 0x08, 0x20, 0x00, // 0x000
1308+
0x02, 0x08, 0x02, 0x00, // 0x000
12971309
0x02, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x00, 0x00, 0x10, 0x00, 0x04, 0x00,
12981310
0x00, 0x08, 0x00, 0x00, // 0x010
12991311
0x00, 0x20, 0x76, 0x00, 0x80, 0x1d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -1358,6 +1370,7 @@ mod tests {
13581370
0x00, 0x00, 0x55, 0xaa, // 0x1F0
13591371
],
13601372
},
1373+
// Partition 0 info sector (BPB_FSInfo)
13611374
Block {
13621375
contents: hex!(
13631376
"52 52 61 41 00 00 00 00 00 00 00 00 00 00 00 00
@@ -1394,6 +1407,75 @@ mod tests {
13941407
00 00 00 00 00 00 00 00 00 00 00 00 00 00 55 AA"
13951408
),
13961409
},
1410+
// Partition 0 FAT table
1411+
Block {
1412+
contents: [
1413+
0xF0, 0xFF, 0xFF, 0x0F, 0xFF, 0xFF, 0xFF, 0x0F, 0x00, 0x00, 0x00, 0x00,
1414+
0x00, 0x00, 0x00, 0x00, // 0x000
1415+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1416+
0x00, 0x00, 0x00, 0x00, // 0x010
1417+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1418+
0x00, 0x00, 0x00, 0x00, // 0x020
1419+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1420+
0x00, 0x00, 0x00, 0x00, // 0x030
1421+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1422+
0x00, 0x00, 0x00, 0x00, // 0x040
1423+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1424+
0x00, 0x00, 0x00, 0x00, // 0x050
1425+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1426+
0x00, 0x00, 0x00, 0x00, // 0x060
1427+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1428+
0x00, 0x00, 0x00, 0x00, // 0x070
1429+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1430+
0x00, 0x00, 0x00, 0x00, // 0x080
1431+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1432+
0x00, 0x00, 0x00, 0x00, // 0x090
1433+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1434+
0x00, 0x00, 0x00, 0x00, // 0x0A0
1435+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1436+
0x00, 0x00, 0x00, 0x00, // 0x0B0
1437+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1438+
0x00, 0x00, 0x00, 0x00, // 0x0C0
1439+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1440+
0x00, 0x00, 0x00, 0x00, // 0x0D0
1441+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1442+
0x00, 0x00, 0x00, 0x00, // 0x0E0
1443+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1444+
0x00, 0x00, 0x00, 0x00, // 0x0F0
1445+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1446+
0x00, 0x00, 0x00, 0x00, // 0x100
1447+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1448+
0x00, 0x00, 0x00, 0x00, // 0x110
1449+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1450+
0x00, 0x00, 0x00, 0x00, // 0x120
1451+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1452+
0x00, 0x00, 0x00, 0x00, // 0x130
1453+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1454+
0x00, 0x00, 0x00, 0x00, // 0x140
1455+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1456+
0x00, 0x00, 0x00, 0x00, // 0x150
1457+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1458+
0x00, 0x00, 0x00, 0x00, // 0x160
1459+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1460+
0x00, 0x00, 0x00, 0x00, // 0x170
1461+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1462+
0x00, 0x00, 0x00, 0x00, // 0x180
1463+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1464+
0x00, 0x00, 0x00, 0x00, // 0x190
1465+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1466+
0x00, 0x00, 0x00, 0x00, // 0x1A0
1467+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1468+
0x00, 0x00, 0x00, 0x00, // 0x1B0
1469+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1470+
0x00, 0x00, 0x00, 0x00, // 0x1C0
1471+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1472+
0x00, 0x00, 0x00, 0x00, // 0x1D0
1473+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1474+
0x00, 0x00, 0x00, 0x00, // 0x1E0
1475+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
1476+
0x00, 0x00, 0x00, 0x00, // 0x1F0
1477+
],
1478+
},
13971479
];
13981480
println!(
13991481
"Reading block {} to {}",
@@ -1427,31 +1509,36 @@ mod tests {
14271509
let mut c: VolumeManager<DummyBlockDevice, Clock, 2, 2> =
14281510
VolumeManager::new_with_limits(DummyBlockDevice, Clock, 0xAA00_0000);
14291511

1430-
let v = c.open_raw_volume(VolumeIdx(0)).unwrap();
1512+
let v = c.open_raw_volume(VolumeIdx(0), false).unwrap();
14311513
let expected_id = RawVolume(SearchId(0xAA00_0000));
14321514
assert_eq!(v, expected_id);
14331515
assert_eq!(
14341516
&c.open_volumes[0],
14351517
&VolumeInfo {
14361518
volume_id: expected_id,
14371519
idx: VolumeIdx(0),
1520+
read_only: false,
14381521
volume_type: VolumeType::Fat(crate::FatVolume {
14391522
lba_start: BlockIdx(1),
14401523
num_blocks: BlockCount(0x0011_2233),
14411524
blocks_per_cluster: 8,
1442-
first_data_block: BlockCount(15136),
1443-
fat_start: BlockCount(32),
1525+
first_data_block: BlockCount(15106),
1526+
fat_start: BlockCount(2),
1527+
fat_size: BlockCount(7552),
1528+
fat_nums: 2,
14441529
name: fat::VolumeName::new(*b"Pictures "),
14451530
free_clusters_count: None,
14461531
next_free_cluster: None,
1447-
cluster_count: 965_788,
1532+
cluster_count: 965_791,
14481533
fat_specific_info: fat::FatSpecificInfo::Fat32(fat::Fat32Info {
14491534
first_root_dir_cluster: ClusterId(2),
14501535
info_location: BlockIdx(1) + BlockCount(1),
14511536
})
14521537
})
14531538
}
14541539
);
1540+
let VolumeType::Fat(fat_info) = &c.open_volumes[0].volume_type;
1541+
assert_eq!(c.volume_status_dirty(fat_info).unwrap(), false);
14551542
}
14561543
}
14571544

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