pitrou commented on code in PR #45252:
URL: https://github.com/apache/arrow/pull/45252#discussion_r1916775522


##########
cpp/src/parquet/column_writer_test.cc:
##########
@@ -1774,5 +1774,35 @@ TEST_F(TestInt32Writer, WriteKeyValueMetadataEndToEnd) {
   ASSERT_EQ("bar", value);
 }
 
+TEST_F(TestValuesWriterInt32Type, AllNullsCompressionInPageV2) {
+  std::vector<Compression::type> compressions = {Compression::SNAPPY, 
Compression::GZIP,
+                                                 Compression::ZSTD, 
Compression::BROTLI,
+                                                 Compression::LZ4};
+  for (auto compression : compressions) {
+    if (!Codec::IsAvailable(compression)) {
+      continue;
+    }
+    SCOPED_TRACE(compression);

Review Comment:
   ```suggestion
       ARROW_SCOPED_TRACE("compression = ", 
Codec::GetCodecAsString(compression));
   ```



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