pitrou commented on pull request #11908:
URL: https://github.com/apache/arrow/pull/11908#issuecomment-989721253
This doesn't fix the issue. Actually, you should be able to reproduce it by
enabling `-DARROW_EXTRA_ERROR_CONTEXT=on` in the CMake config. It adds context
lines to error messages which you can see in the failed comparison:
```
[ RUN ] MultiColumnWriteCSVTest/TestWriteCSV.TestWrite/13
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer_test.cc:246: Failure
Expected equality of these values:
ToCsvString(*record_batch, options)
Which is: Invalid: CSV values may not contain structural characters if
quoting style is "None". See RFC4180. Invalid value: foo
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer.cc:195
CheckStringHasNoStructuralChars(s)
/home/antoine/arrow/dev/cpp/src/arrow/util/bit_block_counter.h:443
visit_not_null(position)
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer.cc:515 (*populator)
->PopulateColumns(reinterpret_cast<char*>(data_buffer_->mutable_data()),
offsets_.data())
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer.cc:416
TranslateMinimalBatch(*slice)
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer.cc:547
writer->WriteRecordBatch(batch)
/home/antoine/arrow/dev/cpp/src/arrow/csv/writer_test.cc:212 WriteCSV(data,
options, out.get())
GetParam().expected_status
Which is: Invalid: CSV values may not contain structural characters if
quoting style is "None". See RFC4180. Invalid value: foo
[ FAILED ] MultiColumnWriteCSVTest/TestWriteCSV.TestWrite/13, where
GetParam() = WriterTestParams(0x55e9414b7230) (0 ms)
```
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