109 lines
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109 lines
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<a href='https://github.com/akkartik/mu/blob/master/404stream.mu'>https://github.com/akkartik/mu/blob/master/404stream.mu</a>
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<pre id='vimCodeElement'>
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<span id="L1" class="LineNr"> 1 </span><span class="Comment"># Tests for Mu's stream primitives.</span>
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<span id="L2" class="LineNr"> 2 </span>
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<span id="L3" class="LineNr"> 3 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L3'>test-stream</a></span> <span class="Delimiter">{</span>
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<span id="L4" class="LineNr"> 4 </span> <span class="Comment"># - write an int to a stream, then read it back</span>
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<span id="L5" class="LineNr"> 5 </span> <span class="Comment"># step 1: initialize</span>
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<span id="L6" class="LineNr"> 6 </span> <span class="PreProc">var</span> s: (stream int <span class="Constant">4</span>)
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<span id="L7" class="LineNr"> 7 </span> <span class="PreProc">var</span> s2/<span class="Constant">ecx</span>: (addr stream int) <span class="SpecialChar"><-</span> address s
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<span id="L8" class="LineNr"> 8 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
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<span id="L9" class="LineNr"> 9 </span> <a href='401test.mu.html#L3'>check-true</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/0"</span>
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<span id="L10" class="LineNr">10 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
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<span id="L11" class="LineNr">11 </span> <a href='401test.mu.html#L8'>check-false</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/0"</span>
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<span id="L12" class="LineNr">12 </span> <span class="Comment"># step 2: write to stream</span>
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<span id="L13" class="LineNr">13 </span> <span class="PreProc">var</span> x: int
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<span id="L14" class="LineNr">14 </span> copy-to x, <span class="Constant">0x34</span>
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<span id="L15" class="LineNr">15 </span> <span class="PreProc">var</span> x2/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar"><-</span> address x
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<span id="L16" class="LineNr">16 </span> <a href='309stream.subx.html#L54'>write-to-stream</a> s2, x2
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<span id="L17" class="LineNr">17 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
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<span id="L18" class="LineNr">18 </span> <a href='401test.mu.html#L8'>check-false</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/1"</span>
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<span id="L19" class="LineNr">19 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
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<span id="L20" class="LineNr">20 </span> <a href='401test.mu.html#L8'>check-false</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/1"</span>
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<span id="L21" class="LineNr">21 </span> <span class="Comment"># step 3: modify the value written (should make no difference)</span>
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<span id="L22" class="LineNr">22 </span> copy-to x, <span class="Constant">0</span>
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<span id="L23" class="LineNr">23 </span> <span class="Comment"># step 4: read back</span>
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<span id="L24" class="LineNr">24 </span> <span class="PreProc">var</span> y: int
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<span id="L25" class="LineNr">25 </span> <span class="PreProc">var</span> y2/<span class="Constant">ebx</span>: (addr int) <span class="SpecialChar"><-</span> address y
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<span id="L26" class="LineNr">26 </span> <a href='309stream.subx.html#L107'>read-from-stream</a> s2, y2
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<span id="L27" class="LineNr">27 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L6'>stream-empty?</a> s2
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<span id="L28" class="LineNr">28 </span> <a href='401test.mu.html#L3'>check-true</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/empty?/2"</span>
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<span id="L29" class="LineNr">29 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
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<span id="L30" class="LineNr">30 </span> <a href='401test.mu.html#L8'>check-false</a> tmp, <span class="Constant">"F - <a href='404stream.mu.html#L3'>test-stream</a>/full?/2"</span>
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<span id="L31" class="LineNr">31 </span> <span class="Comment"># we read back what was written</span>
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<span id="L32" class="LineNr">32 </span> <a href='102test.subx.html#L23'>check-ints-equal</a> y, <span class="Constant">0x34</span>, <span class="Constant">"F - test-stream"</span>
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<span id="L33" class="LineNr">33 </span><span class="Delimiter">}</span>
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<span id="L34" class="LineNr">34 </span>
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<span id="L35" class="LineNr">35 </span><span class="PreProc">fn</span> <span class="muTest"><a href='404stream.mu.html#L35'>test-stream-full</a></span> <span class="Delimiter">{</span>
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<span id="L36" class="LineNr">36 </span> <span class="Comment"># write an int to a stream of capacity 1</span>
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<span id="L37" class="LineNr">37 </span> <span class="PreProc">var</span> s: (stream int <span class="Constant">1</span>)
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<span id="L38" class="LineNr">38 </span> <span class="PreProc">var</span> s2/<span class="Constant">ecx</span>: (addr stream int) <span class="SpecialChar"><-</span> address s
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<span id="L39" class="LineNr">39 </span> <span class="PreProc">var</span> tmp/<span class="Constant">eax</span>: boolean <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
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<span id="L40" class="LineNr">40 </span> <a href='401test.mu.html#L8'>check-false</a> tmp, <span class="Constant">"F - test-stream-full?/pre"</span>
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<span id="L41" class="LineNr">41 </span> <span class="PreProc">var</span> x: int
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<span id="L42" class="LineNr">42 </span> <span class="PreProc">var</span> x2/<span class="Constant">edx</span>: (addr int) <span class="SpecialChar"><-</span> address x
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<span id="L43" class="LineNr">43 </span> <a href='309stream.subx.html#L54'>write-to-stream</a> s2, x2
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<span id="L44" class="LineNr">44 </span> tmp <span class="SpecialChar"><-</span> <a href='309stream.subx.html#L30'>stream-full?</a> s2
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<span id="L45" class="LineNr">45 </span> <a href='401test.mu.html#L3'>check-true</a> tmp, <span class="Constant">"F - test-stream-full?"</span>
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<span id="L46" class="LineNr">46 </span><span class="Delimiter">}</span>
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</pre>
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