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<?php |
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/** |
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* File ArrayAccessTraitTest.php |
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* |
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* @author Edward Pfremmer <[email protected]> |
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*/ |
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namespace Epfremme\Tests\Collection\Traits; |
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use ArrayAccess; |
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use Epfremme\Collection\BaseCollection; |
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/** |
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* Class ArrayAccessTraitTest |
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* |
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* @package Epfremme\Tests\Collection\Traits |
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*/ |
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class ArrayAccessTraitTest extends \PHPUnit_Framework_TestCase |
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{ |
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/** |
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* @var BaseCollection |
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*/ |
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private $collection; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setUp() |
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{ |
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parent::setUp(); |
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$this->collection = new BaseCollection([1, 2, 3, 'a' => 4, 'b' => 5]); |
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} |
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/** |
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* Verify collection implements ArrayAccess interface |
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* |
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* @return void |
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*/ |
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public function testImplementsInterface() |
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{ |
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$this->assertInstanceOf(ArrayAccess::class, $this->collection); |
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} |
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/** |
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* Test offset exists method |
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* |
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* @reutrn void |
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*/ |
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public function testOffsetExists() |
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{ |
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$this->assertTrue($this->collection->offsetExists(0)); |
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$this->assertTrue($this->collection->offsetExists('a')); |
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} |
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/** |
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* Test offset get returns correct value |
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* |
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* @return void |
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*/ |
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public function testOffsetGet() |
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{ |
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$this->assertEquals(1, $this->collection->offsetGet(0)); |
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$this->assertEquals(4, $this->collection->offsetGet('a')); |
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} |
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/** |
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* Test invalid offset get exception |
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* |
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* @expectedException \InvalidArgumentException |
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* @return void |
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*/ |
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public function testOffsetGetException() |
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{ |
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$this->collection->offsetGet('noop'); |
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} |
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/** |
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* Test offset set sets both new & existing values |
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* |
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* @return void |
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*/ |
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public function testOffsetSet() |
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{ |
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$this->collection->offsetSet('new', 7); |
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$this->assertEquals(7, $this->collection->offsetGet('new')); |
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$this->assertEquals(2, $this->collection->offsetGet(1)); |
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$this->collection->offsetSet(1, 9); |
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$this->assertEquals(9, $this->collection->offsetGet(1)); |
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} |
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/** |
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* Test offset unset method removes elements from collection |
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* |
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* @return void |
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*/ |
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public function testOffsetUnset() |
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{ |
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$this->assertTrue($this->collection->offsetExists(2)); |
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$this->assertAttributeCount(5, 'elements', $this->collection); |
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$this->collection->offsetUnset(2); |
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$this->assertFalse($this->collection->offsetExists(2)); |
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$this->assertAttributeCount(4, 'elements', $this->collection); |
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} |
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} |
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epfremmer /
collections
