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|
<?php
namespace SMW\Tests\Iterators;
use SMW\Iterators\ChunkedIterator;
use SMW\Tests\PHPUnitCompat;
/**
* @covers \SMW\Iterators\ChunkedIterator
* @group semantic-mediawiki
*
* @license GNU GPL v2+
* @since 3.0
*
* @author mwjames
*/
class ChunkedIteratorTest extends \PHPUnit_Framework_TestCase {
use PHPUnitCompat;
public function testCanConstruct() {
$this->assertInstanceOf(
ChunkedIterator::class,
new ChunkedIterator( [] )
);
}
public function testChunkedOnArray() {
$result = [
1, 42, 1001, 9999
];
$instance = new ChunkedIterator( $result, 2 );
foreach ( $instance as $chunk ) {
$this->assertCount(
2,
$chunk
);
}
$chunks = iterator_to_array( $instance, false );
$this->assertEquals(
[1, 42],
$chunks[0]
);
$this->assertEquals(
[1001, 9999],
$chunks[1]
);
}
public function testInvalidConstructorArgumentThrowsException() {
$this->setExpectedException( 'RuntimeException' );
$instance = new ChunkedIterator( 2 );
}
public function testInvalidChunkSizeArgumentThrowsException() {
$this->setExpectedException( 'InvalidArgumentException' );
$instance = new ChunkedIterator( [], -1 );
}
}
|
