Tests.

ext/array/array.go

@@ -131,5 +131,5 @@ func indexable(v reflect.Value) (reflect.Value, error) {
 			return v, nil
 		}
 	}
-	return v, fmt.Errorf("array: unsupported argument:%.0w %v", sqlite3.MISMATCH, v.Type())
+	return v, fmt.Errorf("array: unsupported argument:%.0w %v", sqlite3.MISMATCH, v)
 }

ext/array/array_test.go

@@ -92,3 +92,29 @@ func Test_cursor_Column(t *testing.T) {
 		log.Fatal(err)
 	}
 }
+
+func Test_array_errors(t *testing.T) {
+	t.Parallel()
+
+	db, err := sqlite3.Open(":memory:")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+
+	array.Register(db)
+
+	err = db.Exec(`SELECT * FROM array()`)
+	if err == nil {
+		t.Fatal("want error")
+	} else {
+		t.Log(err)
+	}
+
+	err = db.Exec(`SELECT * FROM array(?)`)
+	if err == nil {
+		t.Fatal("want error")
+	} else {
+		t.Log(err)
+	}
+}