emkornfield commented on a change in pull request #8475:
URL: https://github.com/apache/arrow/pull/8475#discussion_r508777323
##########
File path: cpp/src/arrow/array/array_dict_test.cc
##########
@@ -857,40 +857,48 @@ TEST(TestDecimalDictionaryBuilder, Basic) {
ASSERT_TRUE(expected.Equals(result));
}
-TEST(TestDecimalDictionaryBuilder, DoubleTableSize) {
- const auto& decimal_type = arrow::decimal(21, 0);
+TEST(TestDecimal128DictionaryBuilder, Basic) {
+ TestDecimalDictionaryBuilderBasic<Decimal128>(arrow::decimal128(2, 0));
+}
+
+TEST(TestDecimal256DictionaryBuilder, Basic) {
+ TestDecimalDictionaryBuilderBasic<Decimal256>(arrow::decimal256(76, 0));
+}
+void TestDecimalDictionaryBuilderDoubleTableSize(
+ std::shared_ptr<DataType> decimal_type, FixedSizeBinaryBuilder&
decimal_builder) {
// Build the dictionary Array
DictionaryBuilder<FixedSizeBinaryType> dict_builder(decimal_type);
// Build expected data
- Decimal128Builder decimal_builder(decimal_type);
Int16Builder int_builder;
// Fill with 1024 different values
for (int64_t i = 0; i < 1024; i++) {
- const uint8_t bytes[] = {0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 0,
- 12,
- 12,
- static_cast<uint8_t>(i / 128),
- static_cast<uint8_t>(i % 128)};
+ // Decimal256Builder takes 32 bytes, while Decimal128Builder takes only
the first 16
+ // bytes.
+ const uint8_t bytes[32] = {0,
Review comment:
According o:
https://en.cppreference.com/w/c/language/array_initialization is should be.
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