[GitHub] [arrow-rs] HaoYang670 opened a new issue, #1707: `ArrayData::try_new` cannot always return expected error.

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

HaoYang670 opened a new issue, #1707:
URL: https://github.com/apache/arrow-rs/issues/1707

   Find the bug when working on #911.
   
   **To Reproduce**
   Steps to reproduce the behavior:
   Just do a small change on https://github.com/apache/arrow-rs/blob/master/arrow/src/array/data.rs#L1734-L1750
   Set `null_count` to be `None` instead of `Some(0)`
   ```rust
       #[test]
       #[should_panic(expected = "null_bit_buffer size too small. got 1 needed 2")]
       fn test_bitmap_too_small() {
           let buffer = make_i32_buffer(9);
           let null_bit_buffer = Buffer::from(vec![0b11111111]);
   
           ArrayData::try_new(
               DataType::Int32,
               9,
               None,
               Some(null_bit_buffer),
               0,
               vec![buffer],
               vec![],
           )
           .unwrap();
       }
   ```
   
   This test will panic at `"range end index 2 out of range for slice of length 1"`.
   
   **Expected behavior**
   Panic at `null_bit_buffer size too small. got 1 needed 2`


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[GitHub] [arrow-rs] viirya closed issue #1707: `ArrayData::try_new` cannot always return expected error.

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

viirya closed issue #1707: `ArrayData::try_new` cannot always return expected error.
URL: https://github.com/apache/arrow-rs/issues/1707


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