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504test-screen.mu
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504test-screen.mu
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# Some primitives for checking the state of fake screen objects.
# validate data on screen regardless of attributes (color, bold, etc.)
# Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.
# Tab characters (that translate into multiple screen cells) not supported.
fn check-screen-row screen: (addr screen), y: int, expected: (addr array byte), msg: (addr array byte) {
check-screen-row-from screen, 0/x, y, expected, msg
}
fn check-screen-row-from _screen: (addr screen), x: int, y: int, expected: (addr array byte), msg: (addr array byte) {
var screen/esi: (addr screen) <- copy _screen
var failure-count/edi: int <- copy 0
var index/ecx: int <- screen-cell-index screen, x, y
# compare 'expected' with the screen contents starting at 'index', code-point-utf8 by code-point-utf8
var e: (stream byte 0x100)
var e-addr/edx: (addr stream byte) <- address e
write e-addr, expected
{
var done?/eax: boolean <- stream-empty? e-addr
compare done?, 0
break-if-!=
{
var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
compare unused?, 0/false
break-if-!=
var _c/eax: code-point <- screen-code-point-at-index screen, index
var c/ebx: code-point <- copy _c
var expected-code-point-utf8/eax: code-point-utf8 <- read-code-point-utf8 e-addr
var expected-code-point/eax: code-point <- to-code-point expected-code-point-utf8
# compare code-point-utf8s
$check-screen-row-from:compare-code-point-utf8s: {
# if expected-code-point is space, null code-point-utf8 is also ok
{
compare expected-code-point, 0x20
break-if-!=
compare c, 0
break-if-= $check-screen-row-from:compare-code-point-utf8s
}
# if (c == expected-code-point) print "."
compare c, expected-code-point
break-if-=
# otherwise print an error
failure-count <- increment
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, c, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
}
}
index <- increment
increment x
loop
}
# if any assertions failed, count the test as failed
compare failure-count, 0
{
break-if-=
count-test-failure
return
}
# otherwise print a "."
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}
# various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute
fn check-screen-row-in-color screen: (addr screen), fg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
check-screen-row-in-color-from screen, fg, y, 0/x, expected, msg
}
fn check-screen-row-in-color-from _screen: (addr screen), fg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
var screen/esi: (addr screen) <- copy _screen
var index/ecx: int <- screen-cell-index screen, x, y
# compare 'expected' with the screen contents starting at 'index', code-point-utf8 by code-point-utf8
var e: (stream byte 0x100)
var e-addr/edx: (addr stream byte) <- address e
write e-addr, expected
{
var done?/eax: boolean <- stream-empty? e-addr
compare done?, 0
break-if-!=
{
var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
compare unused?, 0/false
break-if-!=
var _c/eax: code-point <- screen-code-point-at-index screen, index
var c/ebx: code-point <- copy _c
var expected-code-point-utf8/eax: code-point-utf8 <- read-code-point-utf8 e-addr
var _expected-code-point/eax: code-point <- to-code-point expected-code-point-utf8
var expected-code-point/edi: code-point <- copy _expected-code-point
$check-screen-row-in-color-from:compare-cells: {
# if expected-code-point is space, null code-point-utf8 is also ok
{
compare expected-code-point, 0x20
break-if-!=
compare c, 0
break-if-= $check-screen-row-in-color-from:compare-cells
}
# if expected-code-point is space, a different color is ok
{
compare expected-code-point, 0x20
break-if-!=
var color/eax: int <- screen-color-at-index screen, index
compare color, fg
break-if-!= $check-screen-row-in-color-from:compare-cells
}
# compare code-point-utf8s
$check-screen-row-in-color-from:compare-code-point-utf8s: {
# if (c == expected-code-point) print "."
compare c, expected-code-point
{
break-if-!=
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
break $check-screen-row-in-color-from:compare-code-point-utf8s
}
# otherwise print an error
count-test-failure
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, c, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
}
$check-screen-row-in-color-from:compare-colors: {
var color/eax: int <- screen-color-at-index screen, index
compare fg, color
{
break-if-!=
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
break $check-screen-row-in-color-from:compare-colors
}
# otherwise print an error
count-test-failure
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, fg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, color, 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
}
}
}
index <- increment
increment x
loop
}
}
fn check-screen-row-in-background-color screen: (addr screen), bg: int, y: int, expected: (addr array byte), msg: (addr array byte) {
check-screen-row-in-background-color-from screen, bg, y, 0/x, expected, msg
}
fn check-screen-row-in-background-color-from _screen: (addr screen), bg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) {
var screen/esi: (addr screen) <- copy _screen
var index/ecx: int <- screen-cell-index screen, x, y
# compare 'expected' with the screen contents starting at 'index', code-point-utf8 by code-point-utf8
var e: (stream byte 0x100)
var e-addr/edx: (addr stream byte) <- address e
write e-addr, expected
{
var done?/eax: boolean <- stream-empty? e-addr
compare done?, 0
break-if-!=
{
var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
compare unused?, 0/false
break-if-!=
var _g/eax: code-point <- screen-code-point-at-index screen, index
var g/ebx: code-point <- copy _g
var expected-code-point-utf8/eax: code-point-utf8 <- read-code-point-utf8 e-addr
var _expected-code-point/eax: code-point <- to-code-point expected-code-point-utf8
var expected-code-point/edi: code-point <- copy _expected-code-point
$check-screen-row-in-background-color-from:compare-cells: {
# if expected-code-point is space, null code-point-utf8 is also ok
{
compare expected-code-point, 0x20
break-if-!=
compare g, 0
break-if-= $check-screen-row-in-background-color-from:compare-cells
}
# if expected-code-point is space, a different background-color is ok
{
compare expected-code-point, 0x20
break-if-!=
var background-color/eax: int <- screen-background-color-at-index screen, index
compare background-color, bg
break-if-!= $check-screen-row-in-background-color-from:compare-cells
}
# compare code-point-utf8s
$check-screen-row-in-background-color-from:compare-code-point-utf8s: {
# if (g == expected-code-point) print "."
compare g, expected-code-point
{
break-if-!=
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
break $check-screen-row-in-background-color-from:compare-code-point-utf8s
}
# otherwise print an error
count-test-failure
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") but observed '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, g, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "'", 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
break $check-screen-row-in-background-color-from:compare-code-point-utf8s
}
$check-screen-row-in-background-color-from:compare-background-colors: {
var background-color/eax: int <- screen-background-color-at-index screen, index
compare bg, background-color
{
break-if-!=
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
break $check-screen-row-in-background-color-from:compare-background-colors
}
# otherwise print an error
count-test-failure
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected '", 3/fg=cyan, 0/bg
draw-code-point-at-cursor-over-full-screen 0/screen, expected-code-point, 3/cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, "' at (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
}
}
}
index <- increment
increment x
loop
}
}
# helpers for checking just background color, not screen contents
# these can validate bg for spaces
fn check-background-color-in-screen-row screen: (addr screen), bg: int, y: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
check-background-color-in-screen-row-from screen, bg, y, 0/x, expected-bitmap, msg
}
fn check-background-color-in-screen-row-from _screen: (addr screen), bg: int, y: int, x: int, expected-bitmap: (addr array byte), msg: (addr array byte) {
var screen/esi: (addr screen) <- copy _screen
var failure-count: int
var index/ecx: int <- screen-cell-index screen, x, y
# compare background color where 'expected-bitmap' is a non-space
var e: (stream byte 0x100)
var e-addr/edx: (addr stream byte) <- address e
write e-addr, expected-bitmap
{
var done?/eax: boolean <- stream-empty? e-addr
compare done?, 0
break-if-!=
{
var unused?/eax: boolean <- screen-cell-unused-at-index? screen, index
compare unused?, 0/false
break-if-!=
var _expected-bit/eax: code-point-utf8 <- read-code-point-utf8 e-addr
var expected-bit/edi: code-point-utf8 <- copy _expected-bit
$check-background-color-in-screen-row-from:compare-cells: {
var background-color/eax: int <- screen-background-color-at-index screen, index
# if expected-bit is space, assert that background is NOT bg
compare expected-bit, 0x20
{
break-if-!=
compare background-color, bg
break-if-!= $check-background-color-in-screen-row-from:compare-cells
increment failure-count
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") to not be in background-color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
break $check-background-color-in-screen-row-from:compare-cells
}
# otherwise assert that background IS bg
compare background-color, bg
break-if-= $check-background-color-in-screen-row-from:compare-cells
increment failure-count
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, msg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ": expected (", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, x, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ", ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, y, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ") in background-color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, bg, 3/fg=cyan, 0/bg
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, " but observed background-color ", 3/fg=cyan, 0/bg
draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, background-color, 3/fg=cyan, 0/bg
move-cursor-to-left-margin-of-next-line 0/screen
}
}
index <- increment
increment x
loop
}
# if any assertions failed, count the test as failed
compare failure-count, 0
{
break-if-=
count-test-failure
return
}
# otherwise print a "."
draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0/screen, ".", 3/fg=cyan, 0/bg
}
fn test-draw-single-code-point-utf8 {
var _screen: screen
var screen/esi: (addr screen) <- address _screen
initialize-screen screen, 5, 4, 0/no-pixel-graphics
var dummy/eax: int <- draw-code-point screen, 0x61/a, 0/x, 0/y, 1/fg, 2/bg
check-screen-row screen, 0/y, "a", "F - test-draw-single-code-point-utf8" # top-left corner of the screen
check-screen-row-in-color screen, 1/fg, 0/y, "a", "F - test-draw-single-code-point-utf8-fg"
check-screen-row-in-background-color screen, 2/bg, 0/y, "a", "F - test-draw-single-code-point-utf8-bg"
check-background-color-in-screen-row screen, 2/bg, 0/y, "x ", "F - test-draw-single-code-point-utf8-bg2"
}
fn test-draw-multiple-code-point-utf8s {
var _screen: screen
var screen/esi: (addr screen) <- address _screen
initialize-screen screen, 0x10/rows, 4/cols, 0/no-pixel-graphics
draw-text-wrapping-right-then-down-from-cursor-over-full-screen screen, "Hello, 世界", 1/fg, 2/bg
check-screen-row screen, 0/y, "Hello, 世界", "F - test-draw-multiple-code-point-utf8s"
check-screen-row-in-color screen, 1/fg, 0/y, "Hello, 世界", "F - test-draw-multiple-code-point-utf8s-fg"
check-background-color-in-screen-row screen, 2/bg, 0/y, "xxxxxxxxx ", "F - test-draw-multiple-code-point-utf8s-bg2"
}