[ARROW-14581] [C++] Fine-grained IPC reader tests are flaky

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 7.0.0
• Component/s: C++
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18927
• Assignee: Weston Pace
• Reporter: David Li
• Created: 03/Nov/21 20:25
• Updated: 11/Jan/23 08:40
• Resolved: 04/Nov/21 13:07

Description

 Noticed this on Travis:

[----------] 7 tests from TestRecordBatchFileReaderIo
[ RUN      ] TestRecordBatchFileReaderIo.LoadAllFieldsShouldReadTheEntireBody
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure
Expected equality of these values:
  read_ranges[1].length
    Which is: 264
  256
[  FAILED  ] TestRecordBatchFileReaderIo.LoadAllFieldsShouldReadTheEntireBody (0 ms)
[ RUN      ] TestRecordBatchFileReaderIo.ReadSingleFieldAtTheStart
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure
Expected equality of these values:
  read_ranges[1].length
    Which is: 264
  256
[  FAILED  ] TestRecordBatchFileReaderIo.ReadSingleFieldAtTheStart (0 ms)
[ RUN      ] TestRecordBatchFileReaderIo.ReadSingleFieldInTheMiddle
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure
Expected equality of these values:
  read_ranges[1].length
    Which is: 264
  256
[  FAILED  ] TestRecordBatchFileReaderIo.ReadSingleFieldInTheMiddle (0 ms)
[ RUN      ] TestRecordBatchFileReaderIo.ReadSingleFieldInTheEnd
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure
Expected equality of these values:
  read_ranges[1].length
    Which is: 264
  256
[  FAILED  ] TestRecordBatchFileReaderIo.ReadSingleFieldInTheEnd (0 ms)
[ RUN      ] TestRecordBatchFileReaderIo.SkipTheFieldInTheMiddle
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure                                                                                                                              
Expected equality of these values:                                                                                                                                                     
  read_ranges[1].length                                                                                                                                                                
    Which is: 264                                                                                                                                                                      
  256                                                                                                                                                                                  
[  FAILED  ] TestRecordBatchFileReaderIo.SkipTheFieldInTheMiddle (0 ms)                                                                                                                
[ RUN      ] TestRecordBatchFileReaderIo.ReadTwoContinousFields                                                                                                                        
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure                                                                                                                              
Expected equality of these values:                                                                                                                                                     
  read_ranges[1].length                                                                                                                                                                
    Which is: 264                                                                                                                                                                      
  256                                                                                                                                                                                  
[  FAILED  ] TestRecordBatchFileReaderIo.ReadTwoContinousFields (1 ms)                                                                                                                 
[ RUN      ] TestRecordBatchFileReaderIo.ReadTwoContinousFieldsWithIoMerged                                                                                                            
/arrow/cpp/src/arrow/ipc/read_write_test.cc:2570: Failure                                                                                                                              
Expected equality of these values:                                                                                                                                                     
  read_ranges[1].length                                                                                                                                                                
    Which is: 264                                                                                                                                                                      
  256                                            
[  FAILED  ] TestRecordBatchFileReaderIo.ReadTwoContinousFieldsWithIoMerged (0 ms)                                                                                                     

This is from a PR but shouldn't be related to the PR.

Issue Links

• links to: GitHub Pull Request #11600