3 * This file is part of PHPUnit.
5 * (c) Sebastian Bergmann <sebastian@phpunit.de>
7 * For the full copyright and license information, please view the LICENSE
8 * file that was distributed with this source code.
12 * @since Class available since Release 3.7.30
13 * @covers PHPUnit_Framework_Constraint_Count
15 class CountTest extends PHPUnit_Framework_TestCase
17 public function testCount()
19 $countConstraint = new PHPUnit_Framework_Constraint_Count(3);
20 $this->assertTrue($countConstraint->evaluate(array(1, 2, 3), '', true));
22 $countConstraint = new PHPUnit_Framework_Constraint_Count(0);
23 $this->assertTrue($countConstraint->evaluate(array(), '', true));
25 $countConstraint = new PHPUnit_Framework_Constraint_Count(2);
26 $it = new TestIterator(array(1, 2));
27 $this->assertTrue($countConstraint->evaluate($it, '', true));
30 public function testCountDoesNotChangeIteratorKey()
32 $countConstraint = new PHPUnit_Framework_Constraint_Count(2);
34 // test with 1st implementation of Iterator
35 $it = new TestIterator(array(1, 2));
37 $countConstraint->evaluate($it, '', true);
38 $this->assertEquals(1, $it->current());
41 $countConstraint->evaluate($it, '', true);
42 $this->assertEquals(2, $it->current());
45 $countConstraint->evaluate($it, '', true);
46 $this->assertFalse($it->valid());
48 // test with 2nd implementation of Iterator
49 $it = new TestIterator2(array(1, 2));
51 $countConstraint = new PHPUnit_Framework_Constraint_Count(2);
52 $countConstraint->evaluate($it, '', true);
53 $this->assertEquals(1, $it->current());
56 $countConstraint->evaluate($it, '', true);
57 $this->assertEquals(2, $it->current());
60 $countConstraint->evaluate($it, '', true);
61 $this->assertFalse($it->valid());