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-rw-r--r--tests/LargeFileTest.php5
1 files changed, 3 insertions, 2 deletions
diff --git a/tests/LargeFileTest.php b/tests/LargeFileTest.php
index c271b47..b1106ec 100644
--- a/tests/LargeFileTest.php
+++ b/tests/LargeFileTest.php
@@ -8,11 +8,12 @@ use \Pablotron\ZipStream\ZipStream;
final class LargeFileTest extends BaseTestCase {
public function testCreateLargeFile() : void {
- # build 4M string
+ # size and number of chunks
$chunk_size = (1 << 22);
$num_chunks = 1025;
- # calculate expected size
+ # calculate expected file size (4299161600, enough to overflow a
+ # 32-bit integer and trigger zip64 mode)
$expected_size = $chunk_size * $num_chunks;
$this->with_temp_zip(function(ZipStream &$zip) use ($chunk_size, $num_chunks) {