<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Mu - 504test-screen.mu</title>
<meta name="Generator" content="Vim/8.2">
<meta name="plugin-version" content="vim8.1_v2">
<meta name="syntax" content="none">
<meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy=,use_input_for_pc=fallback">
<meta name="colorscheme" content="minimal-light">
<style>
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #000000; background-color: #ffffd7; }
body { font-size:12pt; font-family: monospace; color: #000000; background-color: #ffffd7; }
a { color:inherit; }
* { font-size:12pt; font-size: 1em; }
.PreProc { color: #c000c0; }
.muRegEbx { color: #5f00ff; }
.muRegEcx { color: #870000; }
.muRegEdx { color: #af5f00; }
.LineNr { }
.muRegEsi { color: #005faf; }
.muRegEdi { color: #00af00; }
.Constant { color: #008787; }
.muFunction { color: #af5f00; text-decoration: underline; }
.muTest { color: #5f8700; }
.Delimiter { color: #c000c0; }
.muComment { color: #005faf; }
.Special { color: #ff6060; }
-->
</style>
<script>
<!--
/* function to open any folds containing a jumped-to line before jumping to it */
function JumpToLine()
{
var lineNum;
lineNum = window.location.hash;
lineNum = lineNum.substr(1); /* strip off '#' */
if (lineNum.indexOf('L') == -1) {
lineNum = 'L'+lineNum;
}
var lineElem = document.getElementById(lineNum);
/* Always jump to new location even if the line was hidden inside a fold, or
* we corrected the raw number to a line ID.
*/
if (lineElem) {
lineElem.scrollIntoView(true);
}
return true;
}
if ('onhashchange' in window) {
window.onhashchange = JumpToLine;
}
-->
</script>
</head>
<body onload='JumpToLine();'>
<a href='https://github.com/akkartik/mu/blob/main/504test-screen.mu'>https://github.com/akkartik/mu/blob/main/504test-screen.mu</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr"> 1 </span><span class="muComment"># Some primitives for checking the state of fake screen objects.</span>
<span id="L2" class="LineNr"> 2 </span>
<span id="L3" class="LineNr"> 3 </span><span class="muComment"># validate data on screen regardless of attributes (color, bold, etc.)</span>
<span id="L4" class="LineNr"> 4 </span><span class="muComment"># Mu doesn't have multi-line strings, so we provide functions for rows or portions of rows.</span>
<span id="L5" class="LineNr"> 5 </span><span class="muComment"># Tab characters (that translate into multiple screen cells) not supported.</span>
<span id="L6" class="LineNr"> 6 </span>
<span id="L7" class="LineNr"> 7 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L7'>check-screen-row</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L8" class="LineNr"> 8 </span> <a href='504test-screen.mu.html#L11'>check-screen-row-from</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/x, y, expected, msg
<span id="L9" class="LineNr"> 9 </span><span class="Delimiter">}</span>
<span id="L10" class="LineNr"> 10 </span>
<span id="L11" class="LineNr"> 11 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L11'>check-screen-row-from</a></span> screen-on-stack: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), x: int, y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L12" class="LineNr"> 12 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> copy screen-on-stack
<span id="L13" class="LineNr"> 13 </span> <span class="PreProc">var</span> failure-count/<span class="muRegEdi">edi</span>: int <span class="Special"><-</span> copy <span class="Constant">0</span>
<span id="L14" class="LineNr"> 14 </span> <span class="PreProc">var</span> idx/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L136'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
<span id="L15" class="LineNr"> 15 </span> <span class="muComment"># compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme</span>
<span id="L16" class="LineNr"> 16 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>)
<span id="L17" class="LineNr"> 17 </span> <span class="PreProc">var</span> e-addr/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address e
<span id="L18" class="LineNr"> 18 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected
<span id="L19" class="LineNr"> 19 </span> <span class="Delimiter">{</span>
<span id="L20" class="LineNr"> 20 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
<span id="L21" class="LineNr"> 21 </span> compare done?, <span class="Constant">0</span>
<span id="L22" class="LineNr"> 22 </span> <span class="PreProc">break-if-!=</span>
<span id="L23" class="LineNr"> 23 </span> <span class="PreProc">var</span> _g/eax: grapheme <span class="Special"><-</span> <a href='500fake-screen.mu.html#L434'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L24" class="LineNr"> 24 </span> <span class="PreProc">var</span> g/<span class="muRegEbx">ebx</span>: grapheme <span class="Special"><-</span> copy _g
<span id="L25" class="LineNr"> 25 </span> <span class="PreProc">var</span> expected-grapheme/eax: grapheme <span class="Special"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
<span id="L26" class="LineNr"> 26 </span> <span class="muComment"># compare graphemes</span>
<span id="L27" class="LineNr"> 27 </span> $check-screen-row-from:compare-graphemes: <span class="Delimiter">{</span>
<span id="L28" class="LineNr"> 28 </span> <span class="muComment"># if expected-grapheme is space, null grapheme is also ok</span>
<span id="L29" class="LineNr"> 29 </span> <span class="Delimiter">{</span>
<span id="L30" class="LineNr"> 30 </span> compare expected-grapheme, <span class="Constant">0x20</span>
<span id="L31" class="LineNr"> 31 </span> <span class="PreProc">break-if-!=</span>
<span id="L32" class="LineNr"> 32 </span> compare g, <span class="Constant">0</span>
<span id="L33" class="LineNr"> 33 </span> <span class="PreProc">break-if-=</span> $check-screen-row-from:compare-graphemes
<span id="L34" class="LineNr"> 34 </span> <span class="Delimiter">}</span>
<span id="L35" class="LineNr"> 35 </span> <span class="muComment"># if (g == expected-grapheme) print "."</span>
<span id="L36" class="LineNr"> 36 </span> compare g, expected-grapheme
<span id="L37" class="LineNr"> 37 </span> <span class="PreProc">break-if-=</span>
<span id="L38" class="LineNr"> 38 </span> <span class="muComment"># otherwise print an error</span>
<span id="L39" class="LineNr"> 39 </span> failure-count <span class="Special"><-</span> increment
<span id="L40" class="LineNr"> 40 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L41" class="LineNr"> 41 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L42" class="LineNr"> 42 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L43" class="LineNr"> 43 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L44" class="LineNr"> 44 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"' at ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L45" class="LineNr"> 45 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L46" class="LineNr"> 46 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L47" class="LineNr"> 47 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L48" class="LineNr"> 48 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") but observed '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L49" class="LineNr"> 49 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L50" class="LineNr"> 50 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L51" class="LineNr"> 51 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"'"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L52" class="LineNr"> 52 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L53" class="LineNr"> 53 </span> <span class="Delimiter">}</span>
<span id="L54" class="LineNr"> 54 </span> idx <span class="Special"><-</span> increment
<span id="L55" class="LineNr"> 55 </span> increment x
<span id="L56" class="LineNr"> 56 </span> <span class="PreProc">loop</span>
<span id="L57" class="LineNr"> 57 </span> <span class="Delimiter">}</span>
<span id="L58" class="LineNr"> 58 </span> <span class="muComment"># if any assertions failed, count the test as failed</span>
<span id="L59" class="LineNr"> 59 </span> compare failure-count, <span class="Constant">0</span>
<span id="L60" class="LineNr"> 60 </span> <span class="Delimiter">{</span>
<span id="L61" class="LineNr"> 61 </span> <span class="PreProc">break-if-=</span>
<span id="L62" class="LineNr"> 62 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L63" class="LineNr"> 63 </span> <span class="PreProc">return</span>
<span id="L64" class="LineNr"> 64 </span> <span class="Delimiter">}</span>
<span id="L65" class="LineNr"> 65 </span> <span class="muComment"># otherwise print a "."</span>
<span id="L66" class="LineNr"> 66 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L67" class="LineNr"> 67 </span><span class="Delimiter">}</span>
<span id="L68" class="LineNr"> 68 </span>
<span id="L69" class="LineNr"> 69 </span><span class="muComment"># various variants by screen-cell attribute; spaces in the 'expected' data should not match the attribute</span>
<span id="L70" class="LineNr"> 70 </span>
<span id="L71" class="LineNr"> 71 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L71'>check-screen-row-in-color</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), fg: int, y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L72" class="LineNr"> 72 </span> <a href='504test-screen.mu.html#L75'>check-screen-row-in-color-from</a> <a href='500fake-screen.mu.html#L14'>screen</a>, fg, y, <span class="Constant">0</span>/x, expected, msg
<span id="L73" class="LineNr"> 73 </span><span class="Delimiter">}</span>
<span id="L74" class="LineNr"> 74 </span>
<span id="L75" class="LineNr"> 75 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L75'>check-screen-row-in-color-from</a></span> screen-on-stack: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), fg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L76" class="LineNr"> 76 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> copy screen-on-stack
<span id="L77" class="LineNr"> 77 </span> <span class="PreProc">var</span> idx/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L136'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
<span id="L78" class="LineNr"> 78 </span> <span class="muComment"># compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme</span>
<span id="L79" class="LineNr"> 79 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>)
<span id="L80" class="LineNr"> 80 </span> <span class="PreProc">var</span> e-addr/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address e
<span id="L81" class="LineNr"> 81 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected
<span id="L82" class="LineNr"> 82 </span> <span class="Delimiter">{</span>
<span id="L83" class="LineNr"> 83 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
<span id="L84" class="LineNr"> 84 </span> compare done?, <span class="Constant">0</span>
<span id="L85" class="LineNr"> 85 </span> <span class="PreProc">break-if-!=</span>
<span id="L86" class="LineNr"> 86 </span> <span class="PreProc">var</span> _g/eax: grapheme <span class="Special"><-</span> <a href='500fake-screen.mu.html#L434'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L87" class="LineNr"> 87 </span> <span class="PreProc">var</span> g/<span class="muRegEbx">ebx</span>: grapheme <span class="Special"><-</span> copy _g
<span id="L88" class="LineNr"> 88 </span> <span class="PreProc">var</span> _expected-grapheme/eax: grapheme <span class="Special"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
<span id="L89" class="LineNr"> 89 </span> <span class="PreProc">var</span> expected-grapheme/<span class="muRegEdi">edi</span>: grapheme <span class="Special"><-</span> copy _expected-grapheme
<span id="L90" class="LineNr"> 90 </span> $check-screen-row-in-color-from:compare-cells: <span class="Delimiter">{</span>
<span id="L91" class="LineNr"> 91 </span> <span class="muComment"># if expected-grapheme is space, null grapheme is also ok</span>
<span id="L92" class="LineNr"> 92 </span> <span class="Delimiter">{</span>
<span id="L93" class="LineNr"> 93 </span> compare expected-grapheme, <span class="Constant">0x20</span>
<span id="L94" class="LineNr"> 94 </span> <span class="PreProc">break-if-!=</span>
<span id="L95" class="LineNr"> 95 </span> compare g, <span class="Constant">0</span>
<span id="L96" class="LineNr"> 96 </span> <span class="PreProc">break-if-=</span> $check-screen-row-in-color-from:compare-cells
<span id="L97" class="LineNr"> 97 </span> <span class="Delimiter">}</span>
<span id="L98" class="LineNr"> 98 </span> <span class="muComment"># if expected-grapheme is space, a different color is ok</span>
<span id="L99" class="LineNr"> 99 </span> <span class="Delimiter">{</span>
<span id="L100" class="LineNr">100 </span> compare expected-grapheme, <span class="Constant">0x20</span>
<span id="L101" class="LineNr">101 </span> <span class="PreProc">break-if-!=</span>
<span id="L102" class="LineNr">102 </span> <span class="PreProc">var</span> color/eax: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L452'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L103" class="LineNr">103 </span> compare color, fg
<span id="L104" class="LineNr">104 </span> <span class="PreProc">break-if-!=</span> $check-screen-row-in-color-from:compare-cells
<span id="L105" class="LineNr">105 </span> <span class="Delimiter">}</span>
<span id="L106" class="LineNr">106 </span> <span class="muComment"># compare graphemes</span>
<span id="L107" class="LineNr">107 </span> $check-screen-row-in-color-from:compare-graphemes: <span class="Delimiter">{</span>
<span id="L108" class="LineNr">108 </span> <span class="muComment"># if (g == expected-grapheme) print "."</span>
<span id="L109" class="LineNr">109 </span> compare g, expected-grapheme
<span id="L110" class="LineNr">110 </span> <span class="Delimiter">{</span>
<span id="L111" class="LineNr">111 </span> <span class="PreProc">break-if-!=</span>
<span id="L112" class="LineNr">112 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L113" class="LineNr">113 </span> <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-graphemes
<span id="L114" class="LineNr">114 </span> <span class="Delimiter">}</span>
<span id="L115" class="LineNr">115 </span> <span class="muComment"># otherwise print an error</span>
<span id="L116" class="LineNr">116 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L117" class="LineNr">117 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L118" class="LineNr">118 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L119" class="LineNr">119 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L120" class="LineNr">120 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L121" class="LineNr">121 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"' at ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L122" class="LineNr">122 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L123" class="LineNr">123 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L124" class="LineNr">124 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L125" class="LineNr">125 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") but observed '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L126" class="LineNr">126 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L127" class="LineNr">127 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L128" class="LineNr">128 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"'"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L129" class="LineNr">129 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L130" class="LineNr">130 </span> <span class="Delimiter">}</span>
<span id="L131" class="LineNr">131 </span> $check-screen-row-in-color-from:compare-colors: <span class="Delimiter">{</span>
<span id="L132" class="LineNr">132 </span> <span class="PreProc">var</span> color/eax: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L452'>screen-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L133" class="LineNr">133 </span> compare fg, color
<span id="L134" class="LineNr">134 </span> <span class="Delimiter">{</span>
<span id="L135" class="LineNr">135 </span> <span class="PreProc">break-if-!=</span>
<span id="L136" class="LineNr">136 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L137" class="LineNr">137 </span> <span class="PreProc">break</span> $check-screen-row-in-color-from:compare-colors
<span id="L138" class="LineNr">138 </span> <span class="Delimiter">}</span>
<span id="L139" class="LineNr">139 </span> <span class="muComment"># otherwise print an error</span>
<span id="L140" class="LineNr">140 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L141" class="LineNr">141 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L142" class="LineNr">142 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L143" class="LineNr">143 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L144" class="LineNr">144 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L145" class="LineNr">145 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"' at ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L146" class="LineNr">146 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L147" class="LineNr">147 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L148" class="LineNr">148 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L149" class="LineNr">149 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") in color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L150" class="LineNr">150 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, fg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L151" class="LineNr">151 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">" but observed color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L152" class="LineNr">152 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L153" class="LineNr">153 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L154" class="LineNr">154 </span> <span class="Delimiter">}</span>
<span id="L155" class="LineNr">155 </span> <span class="Delimiter">}</span>
<span id="L156" class="LineNr">156 </span> idx <span class="Special"><-</span> increment
<span id="L157" class="LineNr">157 </span> increment x
<span id="L158" class="LineNr">158 </span> <span class="PreProc">loop</span>
<span id="L159" class="LineNr">159 </span> <span class="Delimiter">}</span>
<span id="L160" class="LineNr">160 </span><span class="Delimiter">}</span>
<span id="L161" class="LineNr">161 </span>
<span id="L162" class="LineNr">162 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L162'>check-screen-row-in-background-color</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), bg: int, y: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L163" class="LineNr">163 </span> <a href='504test-screen.mu.html#L166'>check-screen-row-in-background-color-from</a> <a href='500fake-screen.mu.html#L14'>screen</a>, bg, y, <span class="Constant">0</span>/x, expected, msg
<span id="L164" class="LineNr">164 </span><span class="Delimiter">}</span>
<span id="L165" class="LineNr">165 </span>
<span id="L166" class="LineNr">166 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L166'>check-screen-row-in-background-color-from</a></span> screen-on-stack: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), bg: int, y: int, x: int, expected: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L167" class="LineNr">167 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> copy screen-on-stack
<span id="L168" class="LineNr">168 </span> <span class="PreProc">var</span> idx/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L136'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
<span id="L169" class="LineNr">169 </span> <span class="muComment"># compare 'expected' with the screen contents starting at 'idx', grapheme by grapheme</span>
<span id="L170" class="LineNr">170 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>)
<span id="L171" class="LineNr">171 </span> <span class="PreProc">var</span> e-addr/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address e
<span id="L172" class="LineNr">172 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected
<span id="L173" class="LineNr">173 </span> <span class="Delimiter">{</span>
<span id="L174" class="LineNr">174 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
<span id="L175" class="LineNr">175 </span> compare done?, <span class="Constant">0</span>
<span id="L176" class="LineNr">176 </span> <span class="PreProc">break-if-!=</span>
<span id="L177" class="LineNr">177 </span> <span class="PreProc">var</span> _g/eax: grapheme <span class="Special"><-</span> <a href='500fake-screen.mu.html#L434'>screen-grapheme-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L178" class="LineNr">178 </span> <span class="PreProc">var</span> g/<span class="muRegEbx">ebx</span>: grapheme <span class="Special"><-</span> copy _g
<span id="L179" class="LineNr">179 </span> <span class="PreProc">var</span> _expected-grapheme/eax: grapheme <span class="Special"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
<span id="L180" class="LineNr">180 </span> <span class="PreProc">var</span> expected-grapheme/<span class="muRegEdi">edi</span>: grapheme <span class="Special"><-</span> copy _expected-grapheme
<span id="L181" class="LineNr">181 </span> $check-screen-row-in-background-color-from:compare-cells: <span class="Delimiter">{</span>
<span id="L182" class="LineNr">182 </span> <span class="muComment"># if expected-grapheme is space, null grapheme is also ok</span>
<span id="L183" class="LineNr">183 </span> <span class="Delimiter">{</span>
<span id="L184" class="LineNr">184 </span> compare expected-grapheme, <span class="Constant">0x20</span>
<span id="L185" class="LineNr">185 </span> <span class="PreProc">break-if-!=</span>
<span id="L186" class="LineNr">186 </span> compare g, <span class="Constant">0</span>
<span id="L187" class="LineNr">187 </span> <span class="PreProc">break-if-=</span> $check-screen-row-in-background-color-from:compare-cells
<span id="L188" class="LineNr">188 </span> <span class="Delimiter">}</span>
<span id="L189" class="LineNr">189 </span> <span class="muComment"># if expected-grapheme is space, a different background-color is ok</span>
<span id="L190" class="LineNr">190 </span> <span class="Delimiter">{</span>
<span id="L191" class="LineNr">191 </span> compare expected-grapheme, <span class="Constant">0x20</span>
<span id="L192" class="LineNr">192 </span> <span class="PreProc">break-if-!=</span>
<span id="L193" class="LineNr">193 </span> <span class="PreProc">var</span> background-color/eax: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L471'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L194" class="LineNr">194 </span> compare background-color, bg
<span id="L195" class="LineNr">195 </span> <span class="PreProc">break-if-!=</span> $check-screen-row-in-background-color-from:compare-cells
<span id="L196" class="LineNr">196 </span> <span class="Delimiter">}</span>
<span id="L197" class="LineNr">197 </span> <span class="muComment"># compare graphemes</span>
<span id="L198" class="LineNr">198 </span> $check-screen-row-in-background-color-from:compare-graphemes: <span class="Delimiter">{</span>
<span id="L199" class="LineNr">199 </span> <span class="muComment"># if (g == expected-grapheme) print "."</span>
<span id="L200" class="LineNr">200 </span> compare g, expected-grapheme
<span id="L201" class="LineNr">201 </span> <span class="Delimiter">{</span>
<span id="L202" class="LineNr">202 </span> <span class="PreProc">break-if-!=</span>
<span id="L203" class="LineNr">203 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L204" class="LineNr">204 </span> <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-graphemes
<span id="L205" class="LineNr">205 </span> <span class="Delimiter">}</span>
<span id="L206" class="LineNr">206 </span> <span class="muComment"># otherwise print an error</span>
<span id="L207" class="LineNr">207 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L208" class="LineNr">208 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L209" class="LineNr">209 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L210" class="LineNr">210 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L211" class="LineNr">211 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L212" class="LineNr">212 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"' at ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L213" class="LineNr">213 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L214" class="LineNr">214 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L215" class="LineNr">215 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L216" class="LineNr">216 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") but observed '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L217" class="LineNr">217 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, g, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L218" class="LineNr">218 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L219" class="LineNr">219 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"'"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L220" class="LineNr">220 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L221" class="LineNr">221 </span> <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-graphemes
<span id="L222" class="LineNr">222 </span> <span class="Delimiter">}</span>
<span id="L223" class="LineNr">223 </span> $check-screen-row-in-background-color-from:compare-background-colors: <span class="Delimiter">{</span>
<span id="L224" class="LineNr">224 </span> <span class="PreProc">var</span> background-color/eax: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L471'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L225" class="LineNr">225 </span> compare bg, background-color
<span id="L226" class="LineNr">226 </span> <span class="Delimiter">{</span>
<span id="L227" class="LineNr">227 </span> <span class="PreProc">break-if-!=</span>
<span id="L228" class="LineNr">228 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L229" class="LineNr">229 </span> <span class="PreProc">break</span> $check-screen-row-in-background-color-from:compare-background-colors
<span id="L230" class="LineNr">230 </span> <span class="Delimiter">}</span>
<span id="L231" class="LineNr">231 </span> <span class="muComment"># otherwise print an error</span>
<span id="L232" class="LineNr">232 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L233" class="LineNr">233 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L234" class="LineNr">234 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected '"</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L235" class="LineNr">235 </span> <a href='501draw-text.mu.html#L84'>draw-grapheme-at-cursor</a> <span class="Constant">0</span>/screen, expected-grapheme, <span class="Constant">3</span>/cyan, <span class="Constant">0</span>/bg
<span id="L236" class="LineNr">236 </span> <a href='501draw-text.mu.html#L242'>move-cursor-rightward-and-downward</a> <span class="Constant">0</span>/screen, <span class="Constant">0</span>/xmin, <span class="Constant">0x80</span>/xmax=screen-width
<span id="L237" class="LineNr">237 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"' at ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L238" class="LineNr">238 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L239" class="LineNr">239 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L240" class="LineNr">240 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L241" class="LineNr">241 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") in background-color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L242" class="LineNr">242 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L243" class="LineNr">243 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">" but observed background-color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L244" class="LineNr">244 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L245" class="LineNr">245 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L246" class="LineNr">246 </span> <span class="Delimiter">}</span>
<span id="L247" class="LineNr">247 </span> <span class="Delimiter">}</span>
<span id="L248" class="LineNr">248 </span> idx <span class="Special"><-</span> increment
<span id="L249" class="LineNr">249 </span> increment x
<span id="L250" class="LineNr">250 </span> <span class="PreProc">loop</span>
<span id="L251" class="LineNr">251 </span> <span class="Delimiter">}</span>
<span id="L252" class="LineNr">252 </span><span class="Delimiter">}</span>
<span id="L253" class="LineNr">253 </span>
<span id="L254" class="LineNr">254 </span><span class="muComment"># helpers for checking just background color, not screen contents</span>
<span id="L255" class="LineNr">255 </span><span class="muComment"># these can validate bg for spaces</span>
<span id="L256" class="LineNr">256 </span>
<span id="L257" class="LineNr">257 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L257'>check-background-color-in-screen-row</a></span> <a href='500fake-screen.mu.html#L14'>screen</a>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), bg: int, y: int, expected-bitmap: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L258" class="LineNr">258 </span> <a href='504test-screen.mu.html#L261'>check-background-color-in-screen-row-from</a> <a href='500fake-screen.mu.html#L14'>screen</a>, bg, y, <span class="Constant">0</span>/x, expected-bitmap, msg
<span id="L259" class="LineNr">259 </span><span class="Delimiter">}</span>
<span id="L260" class="LineNr">260 </span>
<span id="L261" class="LineNr">261 </span><span class="PreProc">fn</span> <span class="muFunction"><a href='504test-screen.mu.html#L261'>check-background-color-in-screen-row-from</a></span> screen-on-stack: (addr <a href='500fake-screen.mu.html#L14'>screen</a>), bg: int, y: int, x: int, expected-bitmap: (addr array byte), msg: (addr array byte) <span class="Delimiter">{</span>
<span id="L262" class="LineNr">262 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> copy screen-on-stack
<span id="L263" class="LineNr">263 </span> <span class="PreProc">var</span> failure-count: int
<span id="L264" class="LineNr">264 </span> <span class="PreProc">var</span> idx/<span class="muRegEcx">ecx</span>: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L136'>screen-cell-index</a> <a href='500fake-screen.mu.html#L14'>screen</a>, x, y
<span id="L265" class="LineNr">265 </span> <span class="muComment"># compare background color where 'expected-bitmap' is a non-space</span>
<span id="L266" class="LineNr">266 </span> <span class="PreProc">var</span> e: (stream byte <span class="Constant">0x100</span>)
<span id="L267" class="LineNr">267 </span> <span class="PreProc">var</span> e-addr/<span class="muRegEdx">edx</span>: (addr stream byte) <span class="Special"><-</span> address e
<span id="L268" class="LineNr">268 </span> <a href='108write.subx.html#L11'>write</a> e-addr, expected-bitmap
<span id="L269" class="LineNr">269 </span> <span class="Delimiter">{</span>
<span id="L270" class="LineNr">270 </span> <span class="PreProc">var</span> done?/eax: boolean <span class="Special"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> e-addr
<span id="L271" class="LineNr">271 </span> compare done?, <span class="Constant">0</span>
<span id="L272" class="LineNr">272 </span> <span class="PreProc">break-if-!=</span>
<span id="L273" class="LineNr">273 </span> <span class="PreProc">var</span> _expected-bit/eax: grapheme <span class="Special"><-</span> <a href='403unicode.mu.html#L92'>read-grapheme</a> e-addr
<span id="L274" class="LineNr">274 </span> <span class="PreProc">var</span> expected-bit/<span class="muRegEdi">edi</span>: grapheme <span class="Special"><-</span> copy _expected-bit
<span id="L275" class="LineNr">275 </span> $check-background-color-in-screen-row-from:compare-cells: <span class="Delimiter">{</span>
<span id="L276" class="LineNr">276 </span> <span class="PreProc">var</span> background-color/eax: int <span class="Special"><-</span> <a href='500fake-screen.mu.html#L471'>screen-background-color-at-idx</a> <a href='500fake-screen.mu.html#L14'>screen</a>, idx
<span id="L277" class="LineNr">277 </span> <span class="muComment"># if expected-bit is space, assert that background is NOT bg</span>
<span id="L278" class="LineNr">278 </span> compare expected-bit, <span class="Constant">0x20</span>
<span id="L279" class="LineNr">279 </span> <span class="Delimiter">{</span>
<span id="L280" class="LineNr">280 </span> <span class="PreProc">break-if-!=</span>
<span id="L281" class="LineNr">281 </span> compare background-color, bg
<span id="L282" class="LineNr">282 </span> <span class="PreProc">break-if-!=</span> $check-background-color-in-screen-row-from:compare-cells
<span id="L283" class="LineNr">283 </span> increment failure-count
<span id="L284" class="LineNr">284 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L285" class="LineNr">285 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L286" class="LineNr">286 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L287" class="LineNr">287 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L288" class="LineNr">288 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L289" class="LineNr">289 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") to not be in background-color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L290" class="LineNr">290 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L291" class="LineNr">291 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L292" class="LineNr">292 </span> <span class="PreProc">break</span> $check-background-color-in-screen-row-from:compare-cells
<span id="L293" class="LineNr">293 </span> <span class="Delimiter">}</span>
<span id="L294" class="LineNr">294 </span> <span class="muComment"># otherwise assert that background IS bg</span>
<span id="L295" class="LineNr">295 </span> compare background-color, bg
<span id="L296" class="LineNr">296 </span> <span class="PreProc">break-if-=</span> $check-background-color-in-screen-row-from:compare-cells
<span id="L297" class="LineNr">297 </span> increment failure-count
<span id="L298" class="LineNr">298 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, msg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L299" class="LineNr">299 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">": expected ("</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L300" class="LineNr">300 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, x, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L301" class="LineNr">301 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">", "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L302" class="LineNr">302 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, y, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L303" class="LineNr">303 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">") in background-color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L304" class="LineNr">304 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, bg, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L305" class="LineNr">305 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">" but observed background-color "</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L306" class="LineNr">306 </span> <a href='501draw-text.mu.html#L333'>draw-int32-hex-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, background-color, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L307" class="LineNr">307 </span> <a href='501draw-text.mu.html#L65'>move-cursor-to-left-margin-of-next-line</a> <span class="Constant">0</span>/screen
<span id="L308" class="LineNr">308 </span> <span class="Delimiter">}</span>
<span id="L309" class="LineNr">309 </span> idx <span class="Special"><-</span> increment
<span id="L310" class="LineNr">310 </span> increment x
<span id="L311" class="LineNr">311 </span> <span class="PreProc">loop</span>
<span id="L312" class="LineNr">312 </span> <span class="Delimiter">}</span>
<span id="L313" class="LineNr">313 </span> <span class="muComment"># if any assertions failed, count the test as failed</span>
<span id="L314" class="LineNr">314 </span> compare failure-count, <span class="Constant">0</span>
<span id="L315" class="LineNr">315 </span> <span class="Delimiter">{</span>
<span id="L316" class="LineNr">316 </span> <span class="PreProc">break-if-=</span>
<span id="L317" class="LineNr">317 </span> <a href='104test.subx.html#L5'>count-test-failure</a>
<span id="L318" class="LineNr">318 </span> <span class="PreProc">return</span>
<span id="L319" class="LineNr">319 </span> <span class="Delimiter">}</span>
<span id="L320" class="LineNr">320 </span> <span class="muComment"># otherwise print a "."</span>
<span id="L321" class="LineNr">321 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <span class="Constant">0</span>/screen, <span class="Constant">"."</span>, <span class="Constant">3</span>/fg/cyan, <span class="Constant">0</span>/bg
<span id="L322" class="LineNr">322 </span><span class="Delimiter">}</span>
<span id="L323" class="LineNr">323 </span>
<span id="L324" class="LineNr">324 </span><span class="PreProc">fn</span> <span class="muTest"><a href='504test-screen.mu.html#L324'>test-draw-single-grapheme</a></span> <span class="Delimiter">{</span>
<span id="L325" class="LineNr">325 </span> <span class="PreProc">var</span> screen-on-stack: <a href='500fake-screen.mu.html#L14'>screen</a>
<span id="L326" class="LineNr">326 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> address screen-on-stack
<span id="L327" class="LineNr">327 </span> <a href='500fake-screen.mu.html#L33'>initialize-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">5</span>, <span class="Constant">4</span>, <span class="Constant">0</span>/no-pixel-graphics
<span id="L328" class="LineNr">328 </span> <a href='500fake-screen.mu.html#L130'>draw-code-point</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x61</span>/a, <span class="Constant">0</span>/x, <span class="Constant">0</span>/y, <span class="Constant">1</span>/fg, <span class="Constant">2</span>/bg
<span id="L329" class="LineNr">329 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">"a"</span>, <span class="Constant">"F - test-draw-single-grapheme"</span> <span class="muComment"># top-left corner of the screen</span>
<span id="L330" class="LineNr">330 </span> <a href='504test-screen.mu.html#L71'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/fg, <span class="Constant">0</span>/y, <span class="Constant">"a"</span>, <span class="Constant">"F - test-draw-single-grapheme-fg"</span>
<span id="L331" class="LineNr">331 </span> <a href='504test-screen.mu.html#L162'>check-screen-row-in-background-color</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/bg, <span class="Constant">0</span>/y, <span class="Constant">"a"</span>, <span class="Constant">"F - test-draw-single-grapheme-bg"</span>
<span id="L332" class="LineNr">332 </span> <a href='504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/bg, <span class="Constant">0</span>/y, <span class="Constant">"x "</span>, <span class="Constant">"F - test-draw-single-grapheme-bg2"</span>
<span id="L333" class="LineNr">333 </span><span class="Delimiter">}</span>
<span id="L334" class="LineNr">334 </span>
<span id="L335" class="LineNr">335 </span><span class="PreProc">fn</span> <span class="muTest"><a href='504test-screen.mu.html#L335'>test-draw-multiple-graphemes</a></span> <span class="Delimiter">{</span>
<span id="L336" class="LineNr">336 </span> <span class="PreProc">var</span> screen-on-stack: <a href='500fake-screen.mu.html#L14'>screen</a>
<span id="L337" class="LineNr">337 </span> <span class="PreProc">var</span> <a href='500fake-screen.mu.html#L14'>screen</a>/<span class="muRegEsi">esi</span>: (addr <a href='500fake-screen.mu.html#L14'>screen</a>) <span class="Special"><-</span> address screen-on-stack
<span id="L338" class="LineNr">338 </span> <a href='500fake-screen.mu.html#L33'>initialize-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0x10</span>/rows, <span class="Constant">4</span>/cols, <span class="Constant">0</span>/no-pixel-graphics
<span id="L339" class="LineNr">339 </span> <a href='501draw-text.mu.html#L279'>draw-text-wrapping-right-then-down-from-cursor-over-full-screen</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">"Hello, 世界"</span>, <span class="Constant">1</span>/fg, <span class="Constant">2</span>/bg
<span id="L340" class="LineNr">340 </span> <a href='504test-screen.mu.html#L7'>check-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">0</span>/y, <span class="Constant">"Hello, 世界"</span>, <span class="Constant">"F - test-draw-multiple-graphemes"</span>
<span id="L341" class="LineNr">341 </span> <a href='504test-screen.mu.html#L71'>check-screen-row-in-color</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">1</span>/fg, <span class="Constant">0</span>/y, <span class="Constant">"Hello, 世界"</span>, <span class="Constant">"F - test-draw-multiple-graphemes-fg"</span>
<span id="L342" class="LineNr">342 </span> <a href='504test-screen.mu.html#L257'>check-background-color-in-screen-row</a> <a href='500fake-screen.mu.html#L14'>screen</a>, <span class="Constant">2</span>/bg, <span class="Constant">0</span>/y, <span class="Constant">"xxxxxxxxx "</span>, <span class="Constant">"F - test-draw-multiple-graphemes-bg2"</span>
<span id="L343" class="LineNr">343 </span><span class="Delimiter">}</span>
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->