Fix certain invalid page ranges causing exception

Closes #686
2020-12-22 01:22:14 -08:00
parent 0ba32b96b7
commit 3675ae918c
2 changed files with 20 additions and 5 deletions
@@ -28,6 +28,12 @@ from ocrmypdf.pdfinfo import PdfInfo
        ['1,3,-11', BadArgsError],
        ['1-,', BadArgsError],
        ['start-end', BadArgsError],
+        ['1-0', BadArgsError],
+        ['99-98', BadArgsError],
+        ['0-0', BadArgsError],
+        ['1-0,3-4', BadArgsError],
+        [',', BadArgsError],
+        ['', BadArgsError],
    ],
 )
 def test_pages(pages, result):