codephage2020 commented on code in PR #7896:
URL: https://github.com/apache/arrow-rs/pull/7896#discussion_r2200893617
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parquet-variant/src/builder.rs:
##########
@@ -2171,4 +2171,116 @@ mod tests {
let variant = Variant::try_new_with_metadata(metadata,
&value).unwrap();
assert_eq!(variant, Variant::Int8(2));
}
+
+ fn test_variant_object_with_count(count: i32,
expected_field_id_size_minus_one: u8) {
+ let mut builder = VariantBuilder::new();
+ let mut obj = builder.new_object();
+
+ for val in 0..count {
+ let key = format!("id_{}", val);
+ obj.insert(&key, val);
+ }
+
+ obj.finish().unwrap();
+ let (metadata, value) = builder.finish();
+ let variant = Variant::try_new(&metadata, &value).unwrap();
+
+ if let Variant::Object(obj) = variant {
+ assert_eq!(obj.len(), count as usize);
+ assert_eq!(obj.get(&format!("id_{}", 0)).unwrap(),
Variant::Int32(0));
+ assert_eq!(
+ obj.get(&format!("id_{}", count - 1)).unwrap(),
+ Variant::Int32(count - 1)
+ );
+
+ let header_byte = first_byte_from_slice(&value).unwrap();
Review Comment:
Hi Alamb. The person you may want to mention is him @klion26 .
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