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