1 files changed, 19 insertions, 0 deletions
diff --git a/testing/web-platform/mozilla/tests/webdriver/bidi/browsing_context/set_viewport/invalid.py b/testing/web-platform/mozilla/tests/webdriver/bidi/browsing_context/set_viewport/invalid.py
new file mode 100644
index 0000000000..b837b86416
--- /dev/null
+++ b/testing/web-platform/mozilla/tests/webdriver/bidi/browsing_context/set_viewport/invalid.py
@@ -0,0 +1,19 @@
+import pytest
+from webdriver.bidi import error
+
+pytestmark = pytest.mark.asyncio
+
+
+@pytest.mark.parametrize(
+    "viewport",
+    [
+        {"width": 10000001, "height": 100},
+        {"width": 100, "height": 10000001},
+    ],
+    ids=["width exceeded", "height exceeded"],
+)
+async def test_params_viewport_invalid_value(bidi_session, new_tab, viewport):
+    with pytest.raises(error.UnsupportedOperationException):
+        await bidi_session.browsing_context.set_viewport(
+            context=new_tab["context"], viewport=viewport
+        )