Brief testing guide

1. Build and start

make
make run

make run starts the program with disk.img as the virtual carrier file.

2. Basic filesystem scenario

Enter these commands inside the program:

format 512
mkdir /docs
touch /docs/test.txt
write /docs/test.txt hello filesystem
ls /docs
cat /docs/test.txt
rename /docs/test.txt renamed.txt
cat /docs/renamed.txt
info

Expected result:

formatting succeeds;
/docs contains one file;
cat prints hello filesystem;
after renaming, the file is available as renamed.txt;
info shows a 512 KiB carrier and occupied clusters.

3. Compression and defragmentation

touch /docs/repeat.txt
write /docs/repeat.txt aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
compress /docs/repeat.txt
ls /docs
defrag
cat /docs/repeat.txt

Expected result:

compress succeeds for repeated text;
in ls, stored is smaller than size for repeat.txt;
after defrag, the file still reads correctly.

4. Import and export

Before starting the program, create a host file:

echo "outside file" > host.txt

Then inside the program:

import host.txt /docs/imported.txt
cat /docs/imported.txt
export /docs/imported.txt exported.txt

After leaving the program, verify:

cat exported.txt

Expected result: exported.txt contains outside file.

5. Cleanup

make clean
rm -f host.txt exported.txt

make clean removes the executable and the default virtual disk image.

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