--- /dev/null
+<?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(array(1, 2, 3), '', true));
+
+ $countConstraint = new PHPUnit_Framework_Constraint_Count(0);
+ $this->assertTrue($countConstraint->evaluate(array(), '', true));
+
+ $countConstraint = new PHPUnit_Framework_Constraint_Count(2);
+ $it = new TestIterator(array(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(array(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(array(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());
+ }
+}