pitrou commented on a change in pull request #8148:
URL: https://github.com/apache/arrow/pull/8148#discussion_r485435374
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File path: cpp/src/parquet/test_encryption_util.h
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@@ -57,6 +57,7 @@ const char kFooterEncryptionKey[] = "0123456789012345"; //
128bit/16
const char kColumnEncryptionKey1[] = "1234567890123450";
const char kColumnEncryptionKey2[] = "1234567890123451";
const char kFileName[] = "tester";
+const char kTempDir[] = "/tmp";
Review comment:
This is not very customary on Windows. Can you use a cross-platform
facility? For example, we have a facility to create temporary directories:
https://github.com/apache/arrow/blob/master/cpp/src/arrow/util/io_util.h#L305
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