[GitHub] [arrow] alamb commented on a change in pull request #9066: ARROW-11097: [Rust] Minor simplification of some tests.

[GitBox <gi...@apache.org>]

alamb commented on a change in pull request #9066:
URL: https://github.com/apache/arrow/pull/9066#discussion_r551005680



##########
File path: rust/arrow/src/array/array_struct.rs
##########
@@ -303,27 +302,21 @@ mod tests {
 
     #[test]
     fn test_struct_array_from() {
-        let boolean_data = ArrayData::builder(DataType::Boolean)
-            .len(4)
-            .add_buffer(Buffer::from([12_u8]))
-            .build();
-        let int_data = ArrayData::builder(DataType::Int32)
-            .len(4)
-            .add_buffer(Buffer::from([42, 28, 19, 31].to_byte_slice()))
-            .build();
+        let boolean = Arc::new(BooleanArray::from(vec![false, false, true, true]));

Review comment:
       this change certainly looks much better to me 👍 

##########
File path: rust/arrow/src/array/array_struct.rs
##########
@@ -270,27 +270,26 @@ mod tests {
 
     use std::sync::Arc;
 
-    use crate::datatypes::{DataType, Field};
     use crate::{
         array::BooleanArray, array::Float32Array, array::Float64Array, array::Int32Array,
         array::StringArray, bitmap::Bitmap,
     };
+    use crate::{
+        array::Int64Array,
+        datatypes::{DataType, Field},
+    };
     use crate::{buffer::Buffer, datatypes::ToByteSlice};
 
     #[test]
     fn test_struct_array_builder() {
-        let boolean_data = ArrayData::builder(DataType::Boolean)
-            .len(4)
-            .add_buffer(Buffer::from([false, false, true, true].to_byte_slice()))

Review comment:
       it might be worth filing a ticket about the issue in `ToByteSlice` - maybe others will be interesting in working / able to work on it




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