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uxn/projects/tests/opcodes.usm
2021-03-28 12:09:41 +01:00

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(
tests/opcodes : automated testing of opcodes
This file generates a lot of stack underflows on purpose:
it's handy to supress all the warning by piping through grep
| grep -vF 'Halted: Working-stack underflow'
)
;test { code 2 label 2 status 1 }
;counts { failed 2 passed 2 unknown 2 }
;number { started 1 }
|0100 ;Console { pad 8 char 1 byte 1 short 2 }
|01F0 .RESET .FRAME .ERROR ( vectors )
%PASS? { ,result JMP2 BRK2r LITr EOR2 DUP }
%PASS { #01 PASS? }
%FAIL { #00 PASS? }
|0200
@tests
ADD FAIL [ add-needs-two 00 ]
#01 ADD FAIL [ add-needs-two 00 ]
#01 #02 ADD #03 EQU PASS? [ add-result 00 ]
LITr [ fe ] STHr #fe EQU PASS? [ litr 00 ]
LIT2r [ fe dc ] STH2r #fedc EQU2 PASS? [ lit2r 00 ]
#01 #02 ADD #ff EQU PASS? [ this-test-fails 00 ]
,finish JMP2
@RESET
,tests =test.code
,strings-start ,print-string JSR2
BRK
@ERROR BRK
@FRAME
~test.status ,recover JNZ2
#01 =test.status
~test.code
DUP2 ,find-label JSR2
DUP2 =test.label
,find-code JSR2 =test.code
JMP2
@find-label ( ptr₂ -- following-label-ptr₂ )
DUP2 PEK2 LIT BRK2r NEQ ^$next JNZ
DUP2 #0001 ADD2 PEK2 LIT LITr NEQ ^$next JNZ
DUP2 #0002 ADD2 PEK2 LIT EOR2 NEQ ^$next JNZ
DUP2 #0003 ADD2 PEK2 LIT DUP NEQ ^$next JNZ
#0004 ADD2 JMP2r
$next
#0001 ADD2 ^find-label JMP
@find-code ( label-ptr₂ -- following-code-ptr₂ )
DUP2 PEK2
,$not-end JNZ2
$end
#0001 ADD2
JMP2r
$not-end
#0001 ADD2 ^find-code JMP
@recover
( would it have been a PASS or FAIL? )
~test.label #000a SUB2 PEK2 LIT LIT EQU ,$clear JNZ2
#02 ^result JMP
$clear
( I would have executed a PASS or FAIL, so invert the result )
~test.label #0009 SUB2 PEK2 #00 EQU ^result JMP
@result
DUP #02 MUL #00 SWP ,counts ADD2
DUP2 LDR2 #0001 ADD2 SWP2 STR2
#00 =test.status
,strings-test ^print-string JSR
#00 SWP ,strings-pass ,strings-fail SUB2 MUL2 ,strings-fail ADD2 ^print-string JSR
,strings-colon ^print-string JSR
~test.label ^print-string JSR
#0a =Console.char
POP #fc JMP
BRK
@finish
,strings-finish ^print-string JSR
~counts.passed ^print-decimal JSR
,strings-passed ^print-string JSR
~counts.failed ^print-decimal JSR
,strings-failed ^print-string JSR
~counts.unknown ^print-decimal JSR
,strings-unknown ^print-string JSR
( stop executing tests )
LIT BRK ,FRAME POK2
BRK
@print-string ( string₂ -- )
DUP2 PEK2 DUP
,$not-end JNZ2
$end
POP POP2 JMP2r
$not-end
DUP LIT BRK2r EQU ,$end JNZ2
=Console.char
#0001 ADD2 ^print-string JMP
@print-decimal ( short₂ -- )
#00 =number.started
DUP2 #2710 DIV2 DUP2 ^$digit JSR #2710 MUL2 SUB2
DUP2 #03e8 DIV2 DUP2 ^$digit JSR #03e8 MUL2 SUB2
DUP2 #0064 DIV2 DUP2 ^$digit JSR #0064 MUL2 SUB2
DUP2 #000a DIV2 DUP2 ^$digit JSR #000a MUL2 SUB2
^$digit JSR
~number.started #00 EQU JMP JMP2r
#30 =Console.char
JMP2r
$digit
SWP POP
DUP ~number.started ORA #02 JNZ
POP JMP2r
#30 ADD =Console.char
#01 =number.started
JMP2r
@print-short ( short₂ -- )
#30 =Console.char
#78 =Console.char
DUP2 #000c SFT2 ^$digit JSR
DUP2 #0008 SFT2 ^$digit JSR
DUP2 #0004 SFT2 ^$digit JSR
^$digit JSR
JMP2r
$digit
#0f AND DUP #0a LTH #03 JNZ
#27 ADD
#30 ADD =Console.char
POP
JMP2r
@strings
$start [ 0a Testing 20 started. 0a 0a 00 ]
$test [ Test 20 00 ]
$fail [ FAIL 00 ]
$pass [ pass 00 ]
[ UNKNOWN 00 ]
$at [ at 20 00 ]
$colon [ : 20 00 ]
$finish [ 0a Testing 20 complete. 0a 00 ]
$passed [ 20 passed, 20 00 ]
$failed [ 20 failed, 20 00 ]
$unknown [ 20 were 20 unknown. 0a 00 ]