## 1 ## ENTRY and STACK
# test entry 1
1
-> stack size should be 1

# test entry 2
2 3
-> stack size should be 3
-> stack should be 3, 2, 1

# test drop
drop
-> stack size should be 2

# test drop2
drop2
-> stack size should be 0

# test drop error
drop
-> error should be 2

# test drop2 error
drop2
-> error should be 2

# test drop2 error
1 drop2
-> error should be 2
drop

# test symbol entry 1
1 '2'
-> stack size should be 2
-> stack should be '2', 1
drop2

# test symbol entry 2
1 '2
-> stack size should be 2
-> stack should be '2', 1
drop2

# test symbol entry 3
''
-> stack should be ''
drop

# test symbol entry 4
'
-> stack should be ''
drop

# test dup
1 dup
-> stack size should be 2
-> stack should be 1, 1

# test dup2
drop 2 dup2
-> stack size should be 4
-> stack should be 2, 1, 2, 1
drop2 drop2

# test rot
1 2 3 rot
-> stack size should be 3
-> stack should be 1, 3, 2

# test depth
depth
-> stack size should be 4
-> stack should be 3, 1, 3, 2
drop2 drop2

# test pick
1 2 3 4 2 pick
-> stack size should be 5
-> stack should be 3, 4, 3, 2, 1

# test erase
erase
-> stack size should be 0

## 2 ## TEST
# and
and
-> error should be 2
1 and
-> error should be 2
drop

0 0 and
-> stack size should be 1
-> stack should be 0
drop

1 0 and
-> stack size should be 1
-> stack should be 0
drop

0 1 and
-> stack size should be 1
-> stack should be 0
drop

1 1 and
-> stack size should be 1
-> stack should be 1
drop

# or
or
-> error should be 2
1 or
-> error should be 2
drop

0 0 or
-> stack size should be 1
-> stack should be 0
drop

0 1 or
-> stack size should be 1
-> stack should be 1
drop

1 0 or
-> stack size should be 1
-> stack should be 1
drop

1 1 or
-> stack size should be 1
-> stack should be 1
drop

# xor
xor
-> error should be 2
1 xor
-> error should be 2
drop

0 0 xor
-> stack size should be 1
-> stack should be 0
drop

0 1 xor
-> stack size should be 1
-> stack should be 1
drop

1 0 xor
-> stack size should be 1
-> stack should be 1
drop

1 1 xor
-> stack size should be 1
-> stack should be 0
drop

## 3 ## BRANCH
# if-then-else-end test 1
1 if then 'ok' end
-> stack size should be 1
-> stack should be 'ok'
drop

# if-then-else-end test 2
0 if then 'ok' end
-> stack size should be 0

# if-then-else-end test 3
1 if 0 1 then 'ok' end
-> stack size should be 3
-> stack should be 'ok', 1, 0
drop2 drop

# if-then-else-end test 4
1 if then 'ok' else 0 end
-> stack size should be 1
-> stack should be 'ok'
drop

# if-then-else-end test 5
0 if then 'ok' else 0 end
-> stack size should be 1
-> stack should be 0
drop

# if-then-else-end test 6
1 if then 1 if then 'ok' else 0 end end
-> stack size should be 1
-> stack should be 'ok'
drop

# if-then-else-end test 7
1 if then 0 if then 'ok' else 0 end end
-> stack size should be 1
-> stack should be 0
drop

# if-then-else-end test 8
0 if then 0 if then 'ok' else 0 end else 'OK' end
-> stack size should be 1
-> stack should be 'OK'
drop

# start-next-step test 1
1 3 start 'ok' next
-> stack size should be 3
-> stack should be 'ok', 'ok', 'ok'
drop drop2

# start-next-step test 2
3 1 start 'ok' next
-> stack size should be 1
-> stack should be 'ok'
drop

# start-next-step test 3
-1 0 start 'ok' next
-> stack size should be 2
-> stack should be 'ok', 'ok'
drop2

# start-next-step test 4
0 4 start 'ok' 2 step
-> stack size should be 3
-> stack should be 'ok', 'ok', 'ok'
drop2 drop

# start-next-step test 5
0 -2 start 'ok' -1 step
-> stack size should be 3
-> stack should be 'ok', 'ok', 'ok'
drop2 drop

# start-next-step test 6
0 0.2 start 'ok' 0.1 step
-> stack size should be 3
-> stack should be 'ok', 'ok', 'ok'
drop2 drop

# for-next-step test 1
1 3 for i i next
-> stack size should be 3
-> stack should be 3, 2, 1
drop drop2

# for-next-step test 2
3 1 for i i next
-> stack size should be 1
-> stack should be 3
drop

# for-next-step test 3
-1 0 for i i next
-> stack size should be 2
-> stack should be 0, -1
drop2

# for-next-step test 4
0 4 for i i 2 step
-> stack size should be 3
-> stack should be 4, 2, 0
drop2 drop

# for-next-step test 5
0 -2 for i i -1 step
-> stack size should be 3
-> stack should be -2, -1, 0
drop2 drop

# for-next-step test 6
0 0.2 for i i 0.1 step
-> stack size should be 3
-> stack should be 0.2, 0.1, 0
drop2 drop

# for-next-step test 7
1 2 for i 10 20 for j i j + 10 step next
-> stack size should be 4
-> stack should be 22, 12, 21, 11
drop2 drop2

## 4 ##  STORE
# sto test 1
1 'a' sto
-> stack size should be 0

# rcl test 1
'a' rcl
-> stack size should be 1
-> stack should be 1
drop

# sto test 2
'toto' 'b' sto
-> stack size should be 0

# rcl test 2
'b' rcl
-> stack size should be 1
-> stack should be 'toto'
drop

# sto/rcl test 1
'b' rcl 'a' sto 'a' rcl
-> stack size should be 1
-> stack should be 'toto'
drop

# purge test 1
'a' purge 'b' purge
-> stack size should be 0

# auto-eval test 1
1 'a' sto 1 3 start 1 a + 'a' sto next a
-> stack size should be 1
-> stack should be 4
drop