Chris@2: <?php declare(strict_types = 1);
Chris@2: namespace TheSeer\Tokenizer;
Chris@2: 
Chris@2: use PHPUnit\Framework\TestCase;
Chris@2: 
Chris@2: /**
Chris@2:  * @covers \TheSeer\Tokenizer\TokenCollection
Chris@2:  */
Chris@2: class TokenCollectionTest extends TestCase {
Chris@2: 
Chris@2:     /** @var  TokenCollection */
Chris@2:     private $collection;
Chris@2: 
Chris@2:     protected function setUp() {
Chris@2:         $this->collection = new TokenCollection();
Chris@2:     }
Chris@2: 
Chris@2:     public function testCollectionIsInitiallyEmpty() {
Chris@2:         $this->assertCount(0, $this->collection);
Chris@2:     }
Chris@2: 
Chris@2:     public function testTokenCanBeAddedToCollection() {
Chris@2:         $token = $this->createMock(Token::class);
Chris@2:         $this->collection->addToken($token);
Chris@2: 
Chris@2:         $this->assertCount(1, $this->collection);
Chris@2:         $this->assertSame($token, $this->collection[0]);
Chris@2:     }
Chris@2: 
Chris@2:     public function testCanIterateOverTokens() {
Chris@2:         $token = $this->createMock(Token::class);
Chris@2:         $this->collection->addToken($token);
Chris@2:         $this->collection->addToken($token);
Chris@2: 
Chris@2:         foreach($this->collection as $position => $current) {
Chris@2:             $this->assertInternalType('integer', $position);
Chris@2:             $this->assertSame($token, $current);
Chris@2:         }
Chris@2:     }
Chris@2: 
Chris@2:     public function testOffsetCanBeUnset() {
Chris@2:         $token = $this->createMock(Token::class);
Chris@2:         $this->collection->addToken($token);
Chris@2: 
Chris@2:         $this->assertCount(1, $this->collection);
Chris@2:         unset($this->collection[0]);
Chris@2:         $this->assertCount(0, $this->collection);
Chris@2:     }
Chris@2: 
Chris@2:     public function testTokenCanBeSetViaOffsetPosition() {
Chris@2:         $token = $this->createMock(Token::class);
Chris@2:         $this->collection[0] = $token;
Chris@2:         $this->assertCount(1, $this->collection);
Chris@2:         $this->assertSame($token, $this->collection[0]);
Chris@2:     }
Chris@2: 
Chris@2:     public function testTryingToUseNonIntegerOffsetThrowsException() {
Chris@2:         $this->expectException(TokenCollectionException::class);
Chris@2:         $this->collection['foo'] = $this->createMock(Token::class);
Chris@2:     }
Chris@2: 
Chris@2:     public function testTryingToSetNonTokenAtOffsetThrowsException() {
Chris@2:         $this->expectException(TokenCollectionException::class);
Chris@2:         $this->collection[0] = 'abc';
Chris@2:     }
Chris@2: 
Chris@2:     public function testTryingToGetTokenAtNonExistingOffsetThrowsException() {
Chris@2:         $this->expectException(TokenCollectionException::class);
Chris@2:         $x = $this->collection[3];
Chris@2:     }
Chris@2: 
Chris@2: }