feat(encoding): select bounded offset codecs

rust/lance-encoding/src/compression/block.rs

@@ -67,6 +67,8 @@ pub(crate) mod fixed;
 
 #[cfg(test)]
 pub(crate) use factory::encode_scalar;
+#[cfg(all(test, feature = "bitpacking"))]
+pub(crate) use factory::out_of_line_payload_bytes;
 pub(crate) use factory::{
     create_block_decompressor, infer_block_value_type, validate_fixed_payload_len,
 };

rust/lance-encoding/src/compression/block/factory.rs

@@ -103,7 +103,7 @@ pub fn validate_inline_bitpacking_payload(
 }
 
 #[cfg(feature = "bitpacking")]
-fn out_of_line_payload_bytes(
+pub fn out_of_line_payload_bytes(
     value_type: BlockValueType,
     num_values: u64,
     compressed_bits_per_value: u64,

rust/lance-encoding/src/encodings/physical/binary.rs

@@ -33,6 +33,9 @@ use crate::format::{ProtobufUtils21, pb21};
 use lance_core::utils::bit::pad_bytes_to;
 use lance_core::{Error, Result};
 
+#[cfg(test)]
+mod offsets;
+
 #[derive(Debug)]
 pub struct BinaryMiniBlockEncoder {
     minichunk_size: i64,