Allow testing PDF permissions from open files

2 files changed, 14 insertions, 0 deletions

diff --git a/tests/resources/graph-encrypted.pdf b/tests/resources/graph-encrypted.pdf
index 6e086af..6c9741e 100644
--- a/tests/resources/graph-encrypted.pdf
+++ b/tests/resources/graph-encrypted.pdf
diff --git a/tests/test_pdf.py b/tests/test_pdf.py
index d9d7422..9e63893 100644
--- a/tests/test_pdf.py
+++ b/tests/test_pdf.py
@@ -84,6 +84,20 @@ class TestPasswords:
             Pdf.open(resources / 'graph-encrypted.pdf')
 
 
+class TestPermissions:
+    def test_some_permissions_missing(self, resources):
+        pdf = Pdf.open(resources / 'graph-encrypted.pdf', 'owner')
+        assert (
+            pdf.allow.modify_all
+            == pdf.allow.print_highres
+            == pdf.allow.modify_annotation
+            == False
+        )
+
+    def test_permissions_all_true_not_encrypted(self, trivial):
+        assert all(trivial.allow)
+
+
 class TestStreams:
     def test_stream(self, resources):
         with (resources / 'pal-1bit-trivial.pdf').open('rb') as stream: