[PARQUET-1340] [C++] Fix Travis Ci valgrind errors related to std::random_device

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: cpp-1.5.0
• Labels: pull-request-available
• Assignee: Deepak Majeti
• Reporter: Deepak Majeti
• Created: 27/Jun/18 13:18
• Updated: 28/Jun/18 15:22
• Resolved: 28/Jun/18 15:22

Description

https://travis-ci.org/apache/parquet-cpp/jobs/395095122
==12164== Conditional jump or move depends on uninitialised value(s)
==12164== at 0x510FFD8: std::random_device::_M_init(std::string const&) (cow-string-inst.cc:56)
==12164== by 0x73EE6E: std::random_device::random_device(std::string const&) (random.h:1590)
==12164== by 0x727C0C: parquet::test::flip_coins(int, double) (test-common.h:104)
==12164== by 0x729421: void parquet::test::InitValues<bool>(int, std::vector<bool, std::allocator<bool> >&, std::vector<unsigned char, std::allocator<unsigned char> >&) (test-specialization.h:40)
==12164== by 0x72E09D: int parquet::test::MakePages<parquet::DataType<(parquet::Type::type)0> >(parquet::ColumnDescriptor const*, int, int, std::vector<short, std::allocator<short> >&, std::vector<short, std::allocator<short> >&, std::vector<parquet::DataType<(parquet::Type::type)0>::c_type, std::allocator<parquet::DataType<(parquet::Type::type)0>::c_type> >&, std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<std::shared_ptr<parquet::Page>, std::allocator<std::shared_ptr<parquet::Page> > >&, parquet::Encoding::type) (test-util.h:429)
==12164== by 0x75761D: parquet::test::TestFlatScanner<parquet::DataType<(parquet::Type::type)0> >::Execute(int, int, int, parquet::ColumnDescriptor const*, parquet::Encoding::type) (column_scanner-test.cc:96)
==12164== by 0x74F955: parquet::test::TestFlatScanner<parquet::DataType<(parquet::Type::type)0> >::ExecuteAll(int, int, int, int, parquet::Encoding::type) (column_scanner-test.cc:125)

Issue Links

• links to: GitHub Pull Request #473