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<?php
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
/**
* @since Class available since Release 3.7.30
* @covers PHPUnit_Framework_Constraint_Count
*/
class CountTest extends PHPUnit_Framework_TestCase
{
public function testCount()
{
$countConstraint = new PHPUnit_Framework_Constraint_Count(3);
$this->assertTrue($countConstraint->evaluate([1, 2, 3], '', true));
$countConstraint = new PHPUnit_Framework_Constraint_Count(0);
$this->assertTrue($countConstraint->evaluate([], '', true));
$countConstraint = new PHPUnit_Framework_Constraint_Count(2);
$it = new TestIterator([1, 2]);
$this->assertTrue($countConstraint->evaluate($it, '', true));
}
public function testCountDoesNotChangeIteratorKey()
{
$countConstraint = new PHPUnit_Framework_Constraint_Count(2);
// test with 1st implementation of Iterator
$it = new TestIterator([1, 2]);
$countConstraint->evaluate($it, '', true);
$this->assertEquals(1, $it->current());
$it->next();
$countConstraint->evaluate($it, '', true);
$this->assertEquals(2, $it->current());
$it->next();
$countConstraint->evaluate($it, '', true);
$this->assertFalse($it->valid());
// test with 2nd implementation of Iterator
$it = new TestIterator2([1, 2]);
$countConstraint = new PHPUnit_Framework_Constraint_Count(2);
$countConstraint->evaluate($it, '', true);
$this->assertEquals(1, $it->current());
$it->next();
$countConstraint->evaluate($it, '', true);
$this->assertEquals(2, $it->current());
$it->next();
$countConstraint->evaluate($it, '', true);
$this->assertFalse($it->valid());
}
}
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