pitrou commented on code in PR #37360:
URL: https://github.com/apache/arrow/pull/37360#discussion_r1309881588
##########
cpp/src/arrow/io/memory_test.cc:
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@@ -283,12 +283,42 @@ TEST(TestBufferReader, WillNeed) {
}
{
std::string data = "data123456";
- BufferReader reader(reinterpret_cast<const uint8_t*>(data.data()),
- static_cast<int64_t>(data.size()));
+ auto reader = BufferReader::FromString(data);
- ASSERT_OK(reader.WillNeed({{0, 4}, {4, 6}}));
- ASSERT_RAISES(IOError, reader.WillNeed({{11, 1}})); // Out of bounds
+ ASSERT_OK(reader->WillNeed({{0, 4}, {4, 6}}));
+ ASSERT_RAISES(IOError, reader->WillNeed({{11, 1}})); // Out of bounds
+ }
+}
+
+void TestBufferReaderLifetime(
+ std::function<std::unique_ptr<BufferReader>(std::string&)> fn,
+ bool supports_zero_copy) {
Review Comment:
Why pass `supports_zero_copy` since it's always true?
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