public function testGetCallsNumber() { $this->integer(testedClass::getCallsNumber())->isZero()->if($adapter = new testedClass())->and($adapter->md5(uniqid()))->then->integer(testedClass::getCallsNumber())->isEqualTo(1)->if($adapter->md5(uniqid()))->then->integer(testedClass::getCallsNumber())->isEqualTo(2)->if($otherAdapter = new testedClass())->and($otherAdapter->sha1(uniqid()))->then->integer(testedClass::getCallsNumber())->isEqualTo(3); }