pitrou commented on code in PR #36955:
URL: https://github.com/apache/arrow/pull/36955#discussion_r1311589893
##########
cpp/src/parquet/column_writer_test.cc:
##########
@@ -757,21 +765,36 @@ TEST_F(TestValuesWriterInt32Type, OptionalNullValueChunk)
{
ASSERT_EQ(0, this->values_read_);
}
+class TestBooleanValuesWriter : public TestPrimitiveWriter<BooleanType> {
+ public:
+ void TestWithEncoding(ParquetVersion::type version, Encoding::type encoding)
{
+ this->SetUpSchema(Repetition::REQUIRED);
+ auto writer = this->BuildWriter(SMALL_SIZE, ColumnProperties(), version,
+ /*enable_checksum*/ false);
+ for (int i = 0; i < SMALL_SIZE; i++) {
+ bool value = (i % 2 == 0) ? true : false;
+ writer->WriteBatch(1, nullptr, nullptr, &value);
+ }
+ writer->Close();
+ this->ReadColumn();
+ for (int i = 0; i < SMALL_SIZE; i++) {
+ ASSERT_EQ((i % 2 == 0) ? true : false, this->values_out_[i]) << i;
+ }
+ const auto& encodings = this->metadata_encodings();
+ auto iter = std::find(encodings.begin(), encodings.end(), encoding);
+ ASSERT_TRUE(iter != encodings.end());
Review Comment:
Why can't we just assert the value of `encodings`? There should be only one
encoding, right?
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