Function test_compressed_read

block/src/qcow_sync.rs:1819–1838

()

    #[test]
    fn test_compressed_read() {
        let cluster_size = 65536usize;
        let data: Vec<u8> = (0..=255).cycle().take(cluster_size).collect();
        let (temp, disk) = create_disk_with_data(100 * 1024 * 1024, &data, 0, false, false);
        drop(disk);

        compress_allocated_clusters(&mut temp.as_file().try_clone().unwrap());

        let disk = QcowDisk::new(
            temp.as_file().try_clone().unwrap(),
            false,
            false,
            false,
            false,
        )
        .unwrap();

        let buf = async_read(&disk, 0, cluster_size);
        assert_eq!(buf, data);
    }
}