128 lines
6.9 KiB
Bash
Executable File
128 lines
6.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Builds the disk images the tests read from.
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#
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# These are made with SplitDisk, which is the other implementation of the same format.
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# That is the point of them: a SplitBit program reading one of these is being checked
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# against something written by different code from a written specification, rather than
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# against itself.
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#
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# Written by Anachronaut
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set -eu
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BUILD="$1"
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ROOT="$(cd "$(dirname "$0")/.." && pwd)"
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TOOL="$ROOT/SplitDisk"
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DISKS="$BUILD/disks"
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WORK="$BUILD/.diskwork"
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[ -x "$TOOL" ] || { echo "SplitDisk is not built."; exit 1; }
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mkdir -p "$DISKS" "$WORK"
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# Two directory blocks, so that a file can be put beyond the first one and the walk from
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# block to block gets exercised rather than assumed.
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"$TOOL" format "$DISKS/sbfs.img" 64 2 >/dev/null
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cd "$WORK"
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printf 'hello from a file' > greeting.txt
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# Eight files fill the first directory block exactly, so everything after this lands in
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# the second one.
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for i in 1 2 3 4 5 6 7 8; do printf 'filler %d' "$i" > "filler$i.txt"; done
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# Longer than a block, so reading it has to cross from one to the next. The pattern
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# repeats every twenty six bytes, which makes a misplaced block obvious to read.
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awk 'BEGIN { for (i = 0; i < 700; i++) printf "%c", 65 + (i % 26) }' > across.txt
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: > empty.txt
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printf 'exactly twenty two!!!!' > longname.txt
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"$TOOL" put "$DISKS/sbfs.img" greeting.txt >/dev/null
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for i in 1 2 3 4 5 6 7 8; do "$TOOL" put "$DISKS/sbfs.img" "filler$i.txt" >/dev/null; done
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"$TOOL" put "$DISKS/sbfs.img" across.txt >/dev/null
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"$TOOL" put "$DISKS/sbfs.img" empty.txt >/dev/null
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"$TOOL" put "$DISKS/sbfs.img" longname.txt aName22CharactersLong! >/dev/null
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# A disk with a loadable program on it. The program is assembled here rather than kept as
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# bytes, so that what gets loaded is always built from the source beside it.
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"$TOOL" format "$DISKS/load.img" 64 2 >/dev/null
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# The assembler writes a loadable program itself, because the source says where it goes.
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"$ROOT/Assembler" "$ROOT/Programs/loadable/hello.asm" -o "$WORK/hello.sbx" >/dev/null
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"$TOOL" put "$DISKS/load.img" "$WORK/hello.sbx" >/dev/null
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# A disk for CosmOS. greet.sbx asks the system for everything it does rather than talking
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# to the hardware itself, so loading and running it exercises the whole path: the loader,
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# the vector table, the service handlers, and giving the machine back at the end.
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#
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# hello.sbx is the opposite case, and that is why it is here: it is the original
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# hello.asm, written before any of this existed, and it still writes straight to port
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# 0x00 rather than calling osPrintString. A program is allowed to reach past the system
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# to the hardware, so something has to check that one still gives the machine back.
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#
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# notes.txt is there so that loading something that is not a program can be tried too.
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"$TOOL" format "$DISKS/cosmos.img" 256 2 >/dev/null
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"$ROOT/Assembler" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/greet.asm" -o "$WORK/greet.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/greet.sbx" >/dev/null
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# Assembled to a different working name so it cannot tread on load.img's hello.sbx above,
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# then put under the name the shell asks for.
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"$ROOT/Assembler" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/hello.asm" -o "$WORK/appHello.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/appHello.sbx" hello.sbx >/dev/null
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# Life.sbx is the one that had to be taught to stop. It runs to a still life and returns
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# on its own, so the test needs no cycle limit: whether it ends is the thing being checked
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# and a limit would hide the answer by supplying one.
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"$ROOT/Assembler" -I "$ROOT/Programs/Libraries" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/Life.asm" -o "$WORK/Life.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/Life.sbx" >/dev/null
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# Snake.sbx is the one that is played rather than watched. It reads the console a key at a
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# time without ever waiting for one, so a script of moves drives it a move to a frame, and
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# what is recorded is a whole game: turning, eating, growing, and running into a wall.
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"$ROOT/Assembler" -I "$ROOT/Programs/Libraries" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/Snake.asm" -o "$WORK/Snake.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/Snake.sbx" >/dev/null
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# Keys.sbx brings a vector of its own, which is what the version two format exists for. It
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# is the only program here the system has to install anything for, so it is what says the
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# whole path works: written into the file, installed at run, taken back out at exit.
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"$ROOT/Assembler" -I "$ROOT/Programs/Libraries" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/Keys.asm" -o "$WORK/Keys.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/Keys.sbx" >/dev/null
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# Say.sbx is the first program that can be told anything. Everything before it did the same
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# thing however it was started.
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"$ROOT/Assembler" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/Say.asm" -o "$WORK/Say.sbx" >/dev/null
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"$TOOL" put "$DISKS/cosmos.img" "$WORK/Say.sbx" >/dev/null
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printf 'this is not a program' > notes.txt
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"$TOOL" put "$DISKS/cosmos.img" notes.txt >/dev/null
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# A disk of its own for the writing test, with one file already on it so that what it
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# writes has to be placed somewhere that does not tread on what is there.
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"$TOOL" format "$DISKS/write.img" 32 1 >/dev/null
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printf 'already here' > here.txt
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"$TOOL" put "$DISKS/write.img" here.txt >/dev/null
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# A disk of its own for the editing test, which deletes and renames things and would
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# otherwise leave the writing test's disk looking nothing like the writing test expects.
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# It starts with one file on it so that a document written here has to be placed around
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# something, and so that the disk can be compared afterwards against one that never had
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# any of it: the metadata should come back exactly as it was.
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"$TOOL" format "$DISKS/edit.img" 32 1 >/dev/null
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"$TOOL" put "$DISKS/edit.img" here.txt >/dev/null
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# A disk for the shell's delete and rename, which is its own because those change what is
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# on it. A fixture whose name has a directory in it is used as it stands rather than being
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# made fresh per test, so a test that writes to a shared one would quietly change what
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# every test after it sees.
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"$TOOL" format "$DISKS/files.img" 32 1 >/dev/null
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printf 'the first one' > one.txt
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printf 'the second one' > two.txt
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"$TOOL" put "$DISKS/files.img" one.txt >/dev/null
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"$TOOL" put "$DISKS/files.img" two.txt >/dev/null
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# A disk for the editor, holding nothing but the editor. Its own, because the whole point
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# of it is that it writes: a document made on a shared fixture would turn up in the file
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# listing of every test that came after it.
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"$TOOL" format "$DISKS/editor.img" 256 2 >/dev/null
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"$ROOT/Assembler" -I "$ROOT/Programs/Libraries" -I "$ROOT/Programs/CosmOS/Source" \
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"$ROOT/Programs/CosmOS/Apps/Edit.asm" -o "$WORK/Edit.sbx" >/dev/null
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"$TOOL" put "$DISKS/editor.img" "$WORK/Edit.sbx" >/dev/null
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