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<pre id='vimCodeElement'>
<span class="Comment"># To check our support for keyboards in scenarios, rewrite tests from</span>
<span class="Comment"># scenario_keyboard.mu</span>
<span class="Comment"># Tests for keyboard interface.</span>

scenario read-key-in-mu <span class="Delimiter">[</span>
  assume-keyboard <span class="Delimiter">[</span>abc<span class="Delimiter">]</span>
  run <span class="Delimiter">[</span>
    1:character, 2:boolean, keyboard:address<span class="Special"> &lt;- </span>read-key keyboard:address
    3:character, 4:boolean, keyboard:address<span class="Special"> &lt;- </span>read-key keyboard:address
    5:character, 6:boolean, keyboard:address<span class="Special"> &lt;- </span>read-key keyboard:address
    7:character, 8:boolean, keyboard:address<span class="Special"> &lt;- </span>read-key keyboard:address
  <span class="Delimiter">]</span>
  memory-should-contain <span class="Delimiter">[</span>
    1<span class="Special"> &lt;- </span>97  <span class="Comment"># 'a'</span>
    2<span class="Special"> &lt;- </span>1  <span class="Comment"># first read-key call found a character</span>
    3<span class="Special"> &lt;- </span>98  <span class="Comment"># 'b'</span>
    4<span class="Special"> &lt;- </span>1  <span class="Comment"># second read-key call found a character</span>
    5<span class="Special"> &lt;- </span>99  <span class="Comment"># 'c'</span>
    6<span class="Special"> &lt;- </span>1  <span class="Comment"># third read-key call found a character</span>
    7<span class="Special"> &lt;- </span>0
    8<span class="Special"> &lt;- </span>0  <span class="Comment"># fourth read-key call didn't find a character</span>
  <span class="Delimiter">]</span>
<span class="Delimiter">]</span>
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