izzum\statemachine\loader\LoaderArray::count PHP Method

    public function count()
    {
        return (int) count($this->transitions);
    }

 /**
  * @test
  */
 public function shouldAddRegexesLoaderOnlyWhenStatesAreSet()
 {
     $context = new Context(new Identifier(Identifier::NULL_ENTITY_ID, Identifier::NULL_STATEMACHINE));
     $machine = new StateMachine($context);
     $transitions = array();
     $s1 = new State("1");
     $s2 = new State("2");
     $s3 = new State("3");
     //many to many
     $transitions[] = new Transition(new State('regex:/.*/'), new State('regex:/.*/'));
     $loader = new LoaderArray($transitions);
     $this->assertEquals(count($transitions), $loader->count());
     $this->assertEquals(1, $loader->count());
     $this->assertEquals(0, count($machine->getStates()));
     $this->assertEquals(0, count($machine->getTransitions()));
     $count = $loader->load($machine);
     $this->assertEquals(0, $count, 'nothing because there are no known states');
     $this->assertTrue($machine->addState($s1));
     $this->assertTrue($machine->addState($s2));
     $this->assertTrue($machine->addState($s3));
     $this->assertEquals(3, count($machine->getStates()));
     $this->assertFalse($machine->addState($s1));
     $this->assertFalse($machine->addState($s2));
     $this->assertFalse($machine->addState($s3));
     $this->assertEquals(3, count($machine->getStates()));
     $count = $loader->load($machine);
     $this->assertEquals(6, count($machine->getTransitions()));
     $this->assertEquals(6, $count, 'regexes have matched all states and created a mesh');
     $count = $loader->load($machine);
     $this->assertEquals(0, $count, 'transitions are not added since they have already been added');
     $this->assertEquals(3, count($machine->getStates()));
     $this->assertEquals(6, count($machine->getTransitions()));
 }