[ARROW-4430] [C++] add unit test for currently unused append method

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.13.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/20990
• Assignee: Ben Kietzman
• Reporter: Ben Kietzman
• Created: 30/Jan/19 16:06
• Updated: 11/Jan/23 07:33
• Resolved: 31/Jan/19 17:51

Description

TypedBufferBuilder<Arithmetic>::Append(num_copies, value) is currently not tested and is incorrect. Add a test and correct the method.

Issue Links

• links to: GitHub Pull Request #3528