html/083scenario_screen_test.mu.html


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<pre>
<span class="Comment"># To check our support for screens in scenarios, rewrite tests from print.mu</span>

<span class="muScenario">scenario</span> print-character-at-top-left-2 [
  assume-screen <span class="Constant">3/width</span>, <span class="Constant">2/height</span>
  run [
    <span class="Constant">1</span>:character<span class="Special"> &lt;- </span>copy <span class="Constant">97/a</span>
    screen:address:shared:screen<span class="Special"> &lt;- </span>print screen:address:shared:screen, <span class="Constant">1</span>:character/a
  ]
  screen-should-contain [
   <span class="Constant"> .a  .</span>
   <span class="Constant"> .   .</span>
  ]
]

<span class="muScenario">scenario</span> clear-line-erases-printed-characters-2 [
  assume-screen <span class="Constant">5/width</span>, <span class="Constant">3/height</span>
  run [
    <span class="Comment"># print a character</span>
    <span class="Constant">1</span>:character<span class="Special"> &lt;- </span>copy <span class="Constant">97/a</span>
    screen:address:shared:screen<span class="Special"> &lt;- </span>print screen:address:shared:screen, <span class="Constant">1</span>:character/a
    <span class="Comment"># move cursor to start of line</span>
    screen:address:shared:screen<span class="Special"> &lt;- </span>move-cursor screen:address:shared:screen, <span class="Constant">0/row</span>, <span class="Constant">0/column</span>
    <span class="Comment"># clear line</span>
    screen:address:shared:screen<span class="Special"> &lt;- </span>clear-line screen:address:shared:screen
  ]
  screen-should-contain [
   <span class="Constant"> .     .</span>
   <span class="Constant"> .     .</span>
   <span class="Constant"> .     .</span>
  ]
]
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