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test: begin adding common test harnessing code

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This should make tests a bit more convenient to write and debug.

Moreover, begin de de-IX-ization of parseExpr. I have, in a local WIP, a
parseExpr implemented using a recursive descent algo, it passes all tests, but
it unfortunately assembles a faulty zasm. I have to find the expressions that
it doesn't parse properly.

But before I do that, I prefer to commit these significant improvements I've
been making to tests harness in parallel of this development.
This commit is contained in:
Virgil Dupras 2019-12-23 15:41:25 -05:00
parent 98ca338aba
commit a034f63e23
6 changed files with 85 additions and 116 deletions
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12
apps/lib/expr.asm
View File

@ -26,6 +26,18 @@ parseExpr:
pop de
ret
; Same as parseExpr, but preserves IX and puts result in DE. This is a
; transitionary routine and will replace parseExpr when everyone has jumped
; ship.
parseExprDE:
push ix
push hl
call _parseExpr
push ix \ pop de
pop hl
pop ix
ret
_parseExpr:
ld de, exprTbl
.loop:

7
tools/emul/runbin/runbin.c
View File

@ -6,9 +6,15 @@
* until it halts. The return code is the value of the register A at halt time.
*/
static void iowr_stderr(uint8_t val)
{
fputc(val, stderr);
}
int main()
{
Machine *m = emul_init();
m->iowr[0] = iowr_stderr;
// read stdin in mem
int i = 0;
int c = getchar();
@ -22,6 +28,7 @@ int main()
return 1;
}
emul_loop();
if (m->cpu.R1.wr.HL)
return m->cpu.R1.br.A;
}

4
tools/tests/unit/runtests.sh
View File

@ -11,7 +11,7 @@ APPS="${BASE}/apps"
chk() {
echo "Running test $1"
if ! ${ZASM} "${KERNEL}" "${APPS}" < $1 | ${RUNBIN}; then
if ! ${ZASM} "${KERNEL}" "${APPS}" common.asm < $1 | ${RUNBIN}; then
echo "failed with code ${PIPESTATUS[1]}"
exit 1
fi
@ -22,7 +22,7 @@ if [ ! -z $1 ]; then
exit 0
fi
for fn in *.asm; do
for fn in test_*.asm; do
chk "${fn}"
done

29
tools/tests/unit/test_basic_parse.asm
View File

@ -1,5 +1,6 @@
jp test
.inc "ascii.h"
.inc "core.asm"
.inc "str.asm"
.inc "lib/util.asm"
@ -8,6 +9,9 @@ jp test
.equ EXPR_PARSE parseLiteral
.inc "lib/expr.asm"
.inc "basic/parse.asm"
.inc "lib/fmt.asm"
.inc "stdio.asm"
.inc "common.asm"
test:
ld sp, 0xffff
@ -55,21 +59,21 @@ testParseThruth:
.true:
call parseTruth
jp nz, fail
call assertZ
or a
jp z, fail
call assertNZ
jp nexttest
.false:
call parseTruth
jp nz, fail
call assertZ
or a
jp nz, fail
call assertZ
jp nexttest
.error:
call parseTruth
jp z, fail
call assertNZ
jp nexttest
.t1: .db "42", 0
@ -88,17 +92,4 @@ testParseThruth:
.f6: .db "2<=1", 0
.e1: .db "foo", 0
testNum: .db 1
nexttest:
ld a, (testNum)
inc a
ld (testNum), a
ret
fail:
ld a, (testNum)
halt
; used as RAM
sandbox:
STDIO_RAMSTART:

30
tools/tests/unit/test_core.asm
View File

@ -5,8 +5,14 @@
jp test
.inc "ascii.h"
.inc "core.asm"
.inc "lib/ari.asm"
.inc "lib/fmt.asm"
.inc "stdio.asm"
.inc "common.asm"
dummyLabel:
testNum: .db 1
.equ dummyLabel 0x42
@ -37,37 +43,25 @@ test:
call nexttest
; Test that .equ can override label
ld a, 0x42
ld de, 0x42
ld hl, dummyLabel
cp l
jp nz, fail
call assertEQW
call nexttest
; test that "@" is updated by a .org directive
ld hl, AFTER_ORG
ld de, 0x1234
or a ; clear carry
sbc hl, de
jp nz, fail
call assertEQW
call nexttest
; test that AND affects the Z flag
ld a, 0x69
and 0x80
jp nz, fail
call assertZ
call nexttest
; success
xor a
halt
nexttest:
ld a, (testNum)
inc a
ld (testNum), a
ret
fail:
ld a, (testNum)
halt
STDIO_RAMSTART:

119
tools/tests/unit/test_expr.asm
View File

@ -9,10 +9,12 @@
jp test
.inc "ascii.h"
.inc "core.asm"
.inc "str.asm"
.inc "lib/util.asm"
.inc "lib/ari.asm"
.inc "lib/fmt.asm"
.inc "zasm/util.asm"
.inc "zasm/const.asm"
.inc "lib/parse.asm"
@ -21,6 +23,9 @@ jp test
.inc "zasm/symbol.asm"
.equ EXPR_PARSE parseNumberOrSymbol
.inc "lib/expr.asm"
.equ STDIO_RAMSTART SYM_RAMEND
.inc "stdio.asm"
.inc "common.asm"
; Pretend that we aren't in first pass
zasmIsFirstPass:
@ -29,8 +34,6 @@ zasmIsFirstPass:
zasmGetPC:
ret
testNum: .db 1
s1: .db "2+2", 0
s2: .db "0x4001+0x22", 0
s3: .db "FOO+BAR", 0
@ -44,29 +47,22 @@ sBAR: .db "BAR", 0
test:
ld sp, 0xffff
; New-style tests
;call testParseExpr
; Old-style tests, not touching them now.
ld hl, s1
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
or a
jp nz, fail
ld a, l
cp 4
jp nz, fail
call parseExprDE
call assertZ
ld hl, 4
call assertEQW
call nexttest
ld hl, s2
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
cp 0x40
jp nz, fail
ld a, l
cp 0x23
jp nz, fail
call parseExprDE
call assertZ
ld hl, 0x4023
call assertEQW
call nexttest
; before the next test, let's set up FOO and BAR symbols
@ -81,55 +77,33 @@ test:
jp nz, fail
ld hl, s3
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
cp 0x40
jp nz, fail
ld a, l
cp 0x20
jp nz, fail
call parseExprDE
call assertZ
ld hl, 0x4020
call assertEQW
call nexttest
ld hl, s4
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
or a
jp nz, fail
ld a, l
cp 0x60
jp nz, fail
call parseExprDE
call assertZ
ld hl, 0x60
call assertEQW
call nexttest
ld hl, s5
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
cp 0x3f
jp nz, fail
ld a, l
cp 0xfd
jp nz, fail
call parseExprDE
call assertZ
ld hl, 0x3ffd
call assertEQW
call nexttest
ld hl, s6
call parseExpr
jp nz, fail
push ix \ pop hl
ld a, h
cp 0x40
jp nz, fail
ld a, l
cp 0x80
jp nz, fail
call parseExprDE
call assertZ
ld hl, 0x4080
call assertEQW
call nexttest
; New-style tests
call testParseExpr
; success
xor a
halt
@ -151,20 +125,18 @@ testParseExpr:
call .testEQ
ld iy, .t8
call .testEQ
ld iy, .t9
call .testEQ
ret
.testEQ:
push iy \ pop hl
inc hl \ inc hl
call parseExpr
jp nz, fail
push ix \ pop de
ld a, e
cp (iy)
jp nz, fail
ld a, d
cp (iy+1)
jp nz, fail
call parseExprDE
call assertZ
ld l, (iy)
ld h, (iy+1)
call assertEQW
jp nexttest
.t1:
@ -191,13 +163,6 @@ testParseExpr:
.t8:
.dw 0xffff
.db "-1", 0
nexttest:
ld a, (testNum)
inc a
ld (testNum), a
ret
fail:
ld a, (testNum)
halt
.t9:
.dw 10
.db "2*3+4", 0