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<h1>PHPUnit_Example
</h1>
<p>This test will automatically enter parameters (a and b) and check that a + b equals b + a and a * b equals b * a, but that a - b does not equal b - a, and a / b does NOT equal b / a.</p>
<p>To run this test, copy-paste the following code into your new unit test case:</p>
<p class="code" style="margin-left: 40px;">&lt;?php</p>
<p class="code" style="margin-left: 40px;">require_once('Calculator.php');</p>
<p class="code" style="margin-left: 40px;">require_once('PHPUnit\Framework\TestCase.php');</p>
<p class="code" style="margin-left: 40px;">/**</p>
<p class="code" style="margin-left: 40px;">&#160;* Calculator test case.</p>
<p class="code" style="margin-left: 40px;">&#160;*/</p>
<p class="code" style="margin-left: 40px;">class CalculatorTest2 extends PHPUnit_Framework_TestCase</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">/**</p>
<p class="code" style="margin-left: 40px;">&#160;* Constructs the test case.</p>
<p class="code" style="margin-left: 40px;">&#160;*/</p>
<p class="code" style="margin-left: 40px;">public function __construct() {</p>
<p class="code" style="margin-left: 40px;">// TODO Auto-generated constructor</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">/**</p>
<p class="code" style="margin-left: 40px;">&#160;* @var Calculator</p>
<p class="code" style="margin-left: 40px;">&#160;*/</p>
<p class="code" style="margin-left: 40px;">private $Calculator;</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">private $a;</p>
<p class="code" style="margin-left: 40px;">private $b;</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">/**</p>
<p class="code" style="margin-left: 40px;">&#160;* Prepares the environment before running a test.</p>
<p class="code" style="margin-left: 40px;">&#160;*/</p>
<p class="code" style="margin-left: 40px;">protected function setUp()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">parent::setUp();</p>
<p class="code" style="margin-left: 40px;">$this-&gt;Calculator = new Calculator();</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">$this-&gt;a = 2;</p>
<p class="code" style="margin-left: 40px;">$this-&gt;b = 4;</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">/**</p>
<p class="code" style="margin-left: 40px;">&#160;* Cleans up the environment after running a test.</p>
<p class="code" style="margin-left: 40px;">&#160;*/</p>
<p class="code" style="margin-left: 40px;">protected function tearDown()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">// TODO Auto-generated CalculatorTest2::tearDown()</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">$this-&gt;Calculator = null;</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">parent::tearDown();</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">public function test_addCommutativity()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">$this-&gt;assertEquals($this-&gt;Calculator-&gt;add($this-&gt;a, $this-&gt;b), $this-&gt;Calculator-&gt;add($this-&gt;a, $this-&gt;b));</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">public function test_multiplyCommutativity()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">$this-&gt;assertEquals($this-&gt;Calculator-&gt;multiply($this-&gt;a, $this-&gt;b), $this-&gt;Calculator-&gt;multiply($this-&gt;b, $this-&gt;a));</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">public function test_subtractCommutativity()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">$this-&gt;assertNotEquals($this-&gt;Calculator-&gt;subtract($this-&gt;a, $this-&gt;b), $this-&gt;Calculator-&gt;subtract($this-&gt;b, $this-&gt;a));</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">public function test_divideCommutativity()</p>
<p class="code" style="margin-left: 40px;">{</p>
<p class="code" style="margin-left: 40px;">$this-&gt;assertNotEquals($this-&gt;Calculator-&gt;divide($this-&gt;a, $this-&gt;b), $this-&gt;Calculator-&gt;divide($this-&gt;b, $this-&gt;a));</p>
<p class="code" style="margin-left: 40px;">}</p>
<p class="code" style="margin-left: 40px;">&#160;</p>
<p class="code" style="margin-left: 40px;">}</p>
<p>Back to "Creating and Running a PHPUnit Test Suite"</p>
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