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collapseos/tests/unit/common.asm
2019-12-31 13:07:05 -05:00

132 lines
1.9 KiB
NASM

; *** requirements ***
; ascii.h
; core
; stdio
; lib/ari
; lib/fmt
testNum: .db 1
; Each time we call assertSP, we verify that our stack isn't imbalanced by
; comparing SP to its saved value. Whenever your "base" SP value change,
; generally at the beginning of a test routine, run "ld (testSP), sp" to have
; proper value saved to heap.
testSP: .dw 0xffff
STDIO_PUTC:
out (0), a
cp a
ret
STDIO_GETC:
jp unsetZ
assertZ:
ret z
ld hl, .msg
call printstr
jp fail
.msg:
.db "Z not set", CR, LF, 0
assertNZ:
ret nz
ld hl, .msg
call printstr
jp fail
.msg:
.db "Z set", CR, LF, 0
assertC:
ret c
ld hl, .msg
call printstr
jp fail
.msg:
.db "C not set", CR, LF, 0
assertNC:
ret nc
ld hl, .msg
call printstr
jp fail
.msg:
.db "C set", CR, LF, 0
; Assert that A == B
assertEQB:
cp b
ret z
call printHex
call printcrlf
ld a, b
call printHex
call printcrlf
ld hl, .msg
call printstr
jp fail
.msg:
.db "A != B", CR, LF, 0
; Assert that HL == DE
assertEQW:
ld a, h
cp d
jr nz, .fail
ld a, l
cp e
ret z
.fail:
call printHexPair
call printcrlf
ex de, hl
call printHexPair
call printcrlf
ld hl, .msg
call printstr
jp fail
.msg:
.db "HL != DE", CR, LF, 0
; Given a list of pointer to test data structures in HL and a pointer to a test
; routine in IX, call (IX) with HL pointing to the test structure until the list
; points to a zero. See testParseExpr in test_expr for an example usage.
testList:
push hl ; --> lvl 1
call intoHL
ld a, h
or l
jr z, .end
call callIX
call nexttest
pop hl ; <-- lvl 1
inc hl \ inc hl
jr testList
.end:
pop hl ; <-- lvl 1
ret
; test that SP == testSP
assertSP:
ld hl, (testSP)
; offset the fact that we call assertSP
dec hl \ dec hl
or a ; reset carry
sbc hl, sp
ret z
ld hl, .msg
call printstr
jr fail
.msg:
.db "Wrong SP", CR, LF, 0
nexttest:
ld a, (testNum)
inc a
ld (testNum), a
ret
fail:
ld a, (testNum)
halt