Function valid_null_array_falsely_rejected

src/avro/src/decode.rs:225–249

()

    #[mz_ore::test]
    fn valid_null_array_falsely_rejected() {
        // Materialize's encoder emits no element bytes for `null` array
        // elements, so decoding must not assume each element consumes at least
        // one byte of remaining input.
        use std::str::FromStr;

        use super::{AvroDeserializer, GeneralDeserializer};
        use crate::encode::encode_to_vec;
        use crate::types::Value;
        use crate::{Schema, ValueDecoder};

        let schema = Schema::from_str(r#"{"type": "array", "items": "null"}"#).unwrap();
        let value = Value::Array(vec![Value::Null, Value::Null]);
        let body = encode_to_vec(&value, &schema);

        let dsr = GeneralDeserializer {
            schema: schema.top_node(),
        };
        let mut reader: &[u8] = &body;
        let res = dsr.deserialize(&mut reader, ValueDecoder);
        assert!(
            res.is_ok(),
            "an encoder-produced array of nulls should round-trip, but got: {res:?}"
        );
    }

    #[mz_ore::test]
    fn zero_width_array_elements_decode_across_blocks() {