1 files changed, 12 insertions, 1 deletions

diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index becf107..3e3dc9f 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -1,5 +1,5 @@
 import adblock
-
+import pytest
 
 def test_correct_baseclasses():
     assert issubclass(adblock.AdblockException, Exception)
@@ -9,3 +9,14 @@ def test_correct_baseclasses():
     assert issubclass(adblock.OptimizedFilterExistence, adblock.BlockerException)
     assert issubclass(adblock.BadFilterAddUnsupported, adblock.BlockerException)
     assert issubclass(adblock.FilterExists, adblock.BlockerException)
+    assert issubclass(adblock.AddResourceError, adblock.BlockerException)
+
+
+def test_add_resource_error():
+    filter_set = adblock.FilterSet()
+    engine = adblock.Engine(filter_set=filter_set)
+
+    with pytest.raises(adblock.AddResourceError) as exc:
+        engine.add_resource(name='aa', content_type="image/jpeg", content="111")
+
+    assert "invalid base64 content" in str(exc.value)