Add test
diff --git a/datafusion/common/src/config.rs b/datafusion/common/src/config.rs
index db9c7d4..9ba2550 100644
--- a/datafusion/common/src/config.rs
+++ b/datafusion/common/src/config.rs
@@ -3046,6 +3046,16 @@
}
#[test]
+ fn iter_test_extension_config() {
+ let mut extension = Extensions::new();
+ extension.insert(TestExtensionConfig::default());
+ let table_config = TableOptions::new().with_extensions(extension);
+ let extensions = table_config.extensions.iter().collect::<Vec<_>>();
+ assert_eq!(extensions.len(), 1);
+ assert_eq!(extensions[0].0, TestExtensionConfig::PREFIX);
+ }
+
+ #[test]
fn csv_u8_table_options() {
let mut table_config = TableOptions::new();
table_config.set_config_format(ConfigFileType::CSV);
