IsInstanceOf.php
No OneTemporary
Actions

Size

1 KB

Referenced Files

None

Subscribers

None

IsInstanceOf.php
View Options

	<?php
	namespace Hamcrest\Core;

	/*
	Copyright (c) 2009 hamcrest.org
	*/
	use Hamcrest\Description;
	use Hamcrest\DiagnosingMatcher;

	/**
	* Tests whether the value is an instance of a class.
	*/
	class IsInstanceOf extends DiagnosingMatcher
	{

	private $_theClass;

	/**
	* Creates a new instance of IsInstanceOf
	*
	* @param string $theClass
	* The predicate evaluates to true for instances of this class
	* or one of its subclasses.
	*/
	public function __construct($theClass)
	{
	$this->_theClass = $theClass;
	}

	protected function matchesWithDiagnosticDescription($item, Description $mismatchDescription)
	{
	if (!is_object($item)) {
	$mismatchDescription->appendText('was ')->appendValue($item);

	return false;
	}

	if (!($item instanceof $this->_theClass)) {
	$mismatchDescription->appendText('[' . get_class($item) . '] ')
	->appendValue($item);

	return false;
	}

	return true;
	}

	public function describeTo(Description $description)
	{
	$description->appendText('an instance of ')
	->appendText($this->_theClass)
	;
	}

	/**
	* Is the value an instance of a particular type?
	* This version assumes no relationship between the required type and
	* the signature of the method that sets it up, for example in
	* <code>assertThat($anObject, anInstanceOf('Thing'));</code>
	*
	* @factory any
	*/
	public static function anInstanceOf($theClass)
	{
	return new self($theClass);
	}
	}