tustvold commented on code in PR #7051:
URL: https://github.com/apache/arrow-rs/pull/7051#discussion_r1937409651
##########
arrow-schema/src/datatype.rs:
##########
@@ -1129,4 +1138,18 @@ mod tests {
let data_type: DataType = "UInt64".parse().unwrap();
assert_eq!(data_type, DataType::UInt64);
}
+
+ #[test]
+ fn test_display_list() {
+ let list_data_type =
DataType::List(Arc::new(Field::new_list_field(DataType::Int32, true)));
+ let list_data_type_string = list_data_type.to_string();
+ let expected_string = "List(Int32;N)";
+ assert_eq!(list_data_type_string, expected_string);
+
+ let list_data_type =
+ DataType::List(Arc::new(Field::new_list_field(DataType::UInt64,
false)));
+ let list_data_type_string = list_data_type.to_string();
+ let expected_string = "List(UInt64)";
+ assert_eq!(list_data_type_string, expected_string);
Review Comment:
Perhaps we could get a test of a nested list as well
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