MingyuZhong commented on a change in pull request #8109:
URL: https://github.com/apache/arrow/pull/8109#discussion_r483307260
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File path: cpp/src/arrow/util/decimal_test.cc
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@@ -113,7 +113,7 @@ TEST(DecimalTest, TestStringRoundTrip) {
(1ull << 63),
std::numeric_limits<uint64_t>::max(),
};
- static constexpr int32_t kScales[] = {-10, -1, 0, 1, 10};
+ static constexpr int32_t kScales[] = {0, 1, 10};
Review comment:
It's already tested at
https://github.com/apache/arrow/blob/master/cpp/src/arrow/util/decimal_test.cc#L423-L433.
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