PhpSpreadsheet/tests/PhpSpreadsheetTests/Shared/OLEReadTest.php

<?php

declare(strict_types=1);

namespace PhpOffice\PhpSpreadsheetTests\Shared;

use PhpOffice\PhpSpreadsheet\Shared\OLE;
use PhpOffice\PhpSpreadsheet\Shared\OLERead;
use PHPUnit\Framework\TestCase;

class OLEReadTest extends TestCase
{
    public function testReadOleStreams(): void
    {
        $dataDir = 'tests/data/Shared/OLERead/';
        $ole = new OLERead();
        $ole->read('tests/data/Reader/XLS/sample.xls');
        self::assertEquals(
            file_get_contents($dataDir . 'wrkbook'),
            $ole->getStream($ole->wrkbook)
        );
        self::assertEquals(
            file_get_contents($dataDir . 'summary'),
            $ole->getStream($ole->summaryInformation)
        );
        self::assertEquals(
            file_get_contents($dataDir . 'document'),
            $ole->getStream($ole->documentSummaryInformation)
        );
    }

    public function testReadRootStream(): void
    {
        $ole = new OLE();
        $ole->read('tests/data/Reader/XLS/sample.xls');
        $stream = $ole->getStream($ole->root);

        try {
            self::assertNotEmpty(stream_get_contents($stream));
        } finally {
            fclose($stream);
        }
    }
}