1 files changed, 15 insertions, 3 deletions

diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index 2efe2b2..e1c357c 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -5,19 +5,31 @@ import pytest
 def test_correct_baseclasses():
     assert issubclass(adblock.AdblockException, Exception)
     assert issubclass(adblock.BlockerException, adblock.AdblockException)
+    assert issubclass(adblock.AddResourceException, adblock.AdblockException)
+    assert issubclass(adblock.InvalidUtf8ContentError, adblock.AddResourceException)
+    assert issubclass(adblock.InvalidBase64ContentError, adblock.AddResourceException)
     assert issubclass(adblock.SerializationError, adblock.BlockerException)
     assert issubclass(adblock.DeserializationError, adblock.BlockerException)
     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:
+    with pytest.raises(adblock.InvalidBase64ContentError) as exc:
         engine.add_resource(name="aa", content_type="image/jpeg", content="111")
-
     assert "invalid base64 content" in str(exc.value)
+
+    with pytest.raises(adblock.InvalidUtf8ContentError) as exc:
+        # // Ensure any text contents are also valid utf8
+        # MimeType::ApplicationJavascript | MimeType::TextPlain | MimeType::TextHtml => {
+        #     let _ = String::from_utf8(decoded)?;
+        # }
+        # xOO6ww== => base64.b64encode('你好'.encode('gbk'))
+        engine.add_resource(
+            name="aa", content_type="application/javascript", content="xOO6ww=="
+        )
+    assert "invalid utf content" in str(exc.value)