diff --git a/test/data b/test/data
index 76651203a..590d57c64 160000
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit 76651203a0918a7f85214d0ed561f15741d5e23f
+Subproject commit 590d57c648858432d0a2c391a1d7dbb0a99b37a8
diff --git a/test/data-visual b/test/data-visual
index 80e318b43..8544eb816 160000
--- a/test/data-visual
+++ b/test/data-visual
@@ -1 +1 @@
-Subproject commit 80e318b432b8ead2536df2ec7db96cc650e3eb1c
+Subproject commit 8544eb8164be721c4e4788e018351a0354d2472a
diff --git a/test/unit/datasource/geojson.cpp b/test/unit/datasource/geojson.cpp
index 9bcacca95..6363cd185 100644
--- a/test/unit/datasource/geojson.cpp
+++ b/test/unit/datasource/geojson.cpp
@@ -117,6 +117,15 @@ TEST_CASE("geojson") {
             REQUIRE(feature != nullptr);
             REQUIRE(feature->envelope() == mapnik::box2d<double>(123,456,123,456));
         }
-
+        SECTION("json - ensure input fully consumed and throw exception otherwise")
+        {
+            mapnik::parameters params;
+            params["type"] = "geojson";
+            params["file"] = "./test/data/json/points-malformed.geojson"; // mismatched parentheses
+            params["cache-features"] = false;
+            REQUIRE_THROWS(mapnik::datasource_cache::instance().create(params));
+            params["cache-features"] = true;
+            REQUIRE_THROWS(mapnik::datasource_cache::instance().create(params));
+        }
     }
 }