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<div class="subTitle">jcgp.backend.modules.problem</div>
<h2 title="Class TestCaseProblem" class="title">Class TestCaseProblem<T></h2>
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<li>java.lang.Object</li>
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<li><a href="../../../../jcgp/backend/modules/Module.html" title="class in jcgp.backend.modules">jcgp.backend.modules.Module</a></li>
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<li><a href="../../../../jcgp/backend/modules/problem/Problem.html" title="class in jcgp.backend.modules.problem">jcgp.backend.modules.problem.Problem</a></li>
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<dt><span class="paramLabel">Type Parameters:</span></dt>
<dd><code>T</code> - the data type to be used by the TestCaseProblem.</dd>
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<dt>Direct Known Subclasses:</dt>
<dd><a href="../../../../jcgp/backend/modules/problem/DigitalCircuitProblem.html" title="class in jcgp.backend.modules.problem">DigitalCircuitProblem</a>, <a href="../../../../jcgp/backend/modules/problem/SymbolicRegressionProblem.html" title="class in jcgp.backend.modules.problem">SymbolicRegressionProblem</a></dd>
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<pre>public abstract class <span class="typeNameLabel">TestCaseProblem<T></span>
extends <a href="../../../../jcgp/backend/modules/problem/Problem.html" title="class in jcgp.backend.modules.problem">Problem</a></pre>
<div class="block">Abstract model for a problem that uses test cases. A test case
problem is any problem that compares the chromosome output to
an expected output taken from a table of input-output mappings.
<br><br>
This class defines a basic data type for storing test cases,
TestCase, and provides core functionality to add and manipulate
test cases in the problem. A subclass of <code>TestCaseProblem</code>
must simply override <code>parseTestCase()</code> to convert parsed
problem data strings into the required data type (T).</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Eduardo Pedroni</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../../jcgp/backend/modules/problem/Problem.html" title="class in jcgp.backend.modules.problem"><code>Problem</code></a></dd>
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<td class="colFirst"><code>static class </code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.TestCase.html" title="class in jcgp.backend.modules.problem">TestCaseProblem.TestCase</a><<a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.TestCase.html" title="type parameter in TestCaseProblem.TestCase">U</a>></span></code>
<div class="block">Basic data type for encapsulating test cases, it simply
contains arrays of inputs and outputs and associated getters.</div>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html#addTestCase-java.lang.String:A-java.lang.String:A-">addTestCase</a></span>(java.lang.String[] inputs,
java.lang.String[] outputs)</code>
<div class="block">Adds test cases to the problem instance as they get parsed from a
problem data file.</div>
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<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html#clearTestCases--">clearTestCases</a></span>()</code>
<div class="block">Remove all test cases.</div>
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<td class="colFirst"><code>javafx.collections.ObservableList<<a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.TestCase.html" title="class in jcgp.backend.modules.problem">TestCaseProblem.TestCase</a><<a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html" title="type parameter in TestCaseProblem">T</a>>></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html#getTestCases--">getTestCases</a></span>()</code> </td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html#hasImprovement-jcgp.backend.population.Population-">hasImprovement</a></span>(<a href="../../../../jcgp/backend/population/Population.html" title="class in jcgp.backend.population">Population</a> population)</code>
<div class="block">Used to assert whether a given population has a chromosome that is an improvement over
the current best chromosome.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html#parseProblemData-java.io.File-jcgp.backend.resources.ModifiableResources-">parseProblemData</a></span>(java.io.File file,
<a href="../../../../jcgp/backend/resources/ModifiableResources.html" title="class in jcgp.backend.resources">ModifiableResources</a> resources)</code>
<div class="block">Parses the specified file and uses the parsed data to
set up the problem type instance appropriately.</div>
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<code><a href="../../../../jcgp/backend/modules/problem/Problem.html#evaluate-jcgp.backend.population.Population-">evaluate</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#getBestFitness--">getBestFitness</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#getFileExtension--">getFileExtension</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#getFitnessOrientation--">getFitnessOrientation</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#getFunctionSet--">getFunctionSet</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#hasPerfectSolution-jcgp.backend.population.Population-">hasPerfectSolution</a>, <a href="../../../../jcgp/backend/modules/problem/Problem.html#reset--">reset</a></code></li>
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<code><a href="../../../../jcgp/backend/modules/Module.html#getLocalParameters--">getLocalParameters</a>, <a href="../../../../jcgp/backend/modules/Module.html#toString--">toString</a></code></li>
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<h4>getTestCases</h4>
<pre>public javafx.collections.ObservableList<<a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.TestCase.html" title="class in jcgp.backend.modules.problem">TestCaseProblem.TestCase</a><<a href="../../../../jcgp/backend/modules/problem/TestCaseProblem.html" title="type parameter in TestCaseProblem">T</a>>> getTestCases()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a list containing the test cases.</dd>
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<h4>addTestCase</h4>
<pre>public final void addTestCase(java.lang.String[] inputs,
java.lang.String[] outputs)</pre>
<div class="block">Adds test cases to the problem instance as they get parsed from a
problem data file. This template method uses <code>parseTestCase</code>, which
must be implemented by subclasses.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>inputs</code> - the inputs represented as strings.</dd>
<dd><code>outputs</code> - the outputs represented as strings.</dd>
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<h4>clearTestCases</h4>
<pre>public void clearTestCases()</pre>
<div class="block">Remove all test cases.</div>
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<h4>parseProblemData</h4>
<pre>public void parseProblemData(java.io.File file,
<a href="../../../../jcgp/backend/resources/ModifiableResources.html" title="class in jcgp.backend.resources">ModifiableResources</a> resources)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../jcgp/backend/modules/problem/Problem.html#parseProblemData-java.io.File-jcgp.backend.resources.ModifiableResources-">Problem</a></code></span></div>
<div class="block">Parses the specified file and uses the parsed data to
set up the problem type instance appropriately. Any necessary
resource changes can be performed using the provided <code>ModifiableResources</code>
instance.
<br><br>
In addition, realisations of this method should update the value of
maxFitness where appropriate, as this may be displayed to the user
if a GUI is in use.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../jcgp/backend/modules/problem/Problem.html#parseProblemData-java.io.File-jcgp.backend.resources.ModifiableResources-">parseProblemData</a></code> in class <code><a href="../../../../jcgp/backend/modules/problem/Problem.html" title="class in jcgp.backend.modules.problem">Problem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>file</code> - the data file to parse.</dd>
<dd><code>resources</code> - a modifiable reference to the experiment's resources.</dd>
</dl>
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<h4>hasImprovement</h4>
<pre>public int hasImprovement(<a href="../../../../jcgp/backend/population/Population.html" title="class in jcgp.backend.population">Population</a> population)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from class: <code><a href="../../../../jcgp/backend/modules/problem/Problem.html#hasImprovement-jcgp.backend.population.Population-">Problem</a></code></span></div>
<div class="block">Used to assert whether a given population has a chromosome that is an improvement over
the current best chromosome. A typical implementation of this method
will simply compare chromosome fitness values, though the problem type
is free to implement this in any way.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../../jcgp/backend/modules/problem/Problem.html#hasImprovement-jcgp.backend.population.Population-">hasImprovement</a></code> in class <code><a href="../../../../jcgp/backend/modules/problem/Problem.html" title="class in jcgp.backend.modules.problem">Problem</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>population</code> - the population potentially containing a fitter chromosome.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the index of the first chromosome in the population that is an improvement, -1 if none is found.</dd>
</dl>
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