folly::io::test::DataHolder Class Reference

Inheritance diagram for folly::io::test::DataHolder:

Public Member Functions
uint64_t	hash (size_t size) const
ByteRange	data (size_t size) const

Protected Member Functions
	DataHolder (size_t sizeLog2)

Protected Attributes
const size_t	size_
std::unique_ptr< uint8_t[]>	data_
std::unordered_map< uint64_t, uint64_t >	hashCache_

Detailed Description

Definition at line 51 of file CompressionTest.cpp.

Constructor & Destructor Documentation

folly::io::test::DataHolder::DataHolder ( size_t  sizeLog2 )

explicitprotected

Definition at line 63 of file CompressionTest.cpp.

    : size_(size_t(1) << sizeLog2), data_(new uint8_t[size_]) {}

Member Function Documentation

ByteRange folly::io::test::DataHolder::data

(

size_t

size

)

const

Definition at line 78 of file CompressionTest.cpp.

References data_, folly::size(), and size_.

Referenced by folly::io::test::StreamingCompressionTest::runCompressStreamTest(), folly::io::test::StreamingCompressionTest::runFlushTest(), folly::io::test::StreamingCompressionTest::runResetStreamTest(), folly::io::test::CompressionTest::runSimpleIOBufTest(), folly::io::test::CompressionTest::runSimpleStringTest(), folly::io::test::CompressionVarintTest::runSimpleTest(), folly::io::test::CompressionCorruptionTest::runSimpleTest(), folly::io::test::AutomaticCodecTest::runSimpleTest(), folly::io::test::StreamingCompressionTest::runUncompressStreamTest(), folly::io::test::CompressionTest::SetUp(), folly::io::test::StreamingCompressionTest::SetUp(), folly::io::test::TEST(), and folly::io::test::TEST_P().

                                            {
  CHECK_LE(size, size_);
  return ByteRange(data_.get(), size);
}

uint64_t folly::io::test::DataHolder::hash

(

size_t

size

)

const

Definition at line 66 of file CompressionTest.cpp.

References data_, folly::hash::fnv64_buf(), h, hashCache_, folly::size(), size_, and uint64_t.

Referenced by folly::io::test::StreamingCompressionTest::runCompressStreamTest(), folly::io::test::StreamingCompressionTest::runResetStreamTest(), folly::io::test::CompressionTest::runSimpleIOBufTest(), folly::io::test::CompressionVarintTest::runSimpleTest(), folly::io::test::CompressionCorruptionTest::runSimpleTest(), folly::io::test::AutomaticCodecTest::runSimpleTest(), and folly::io::test::TEST_P().

                                           {
  CHECK_LE(size, size_);
  auto p = hashCache_.find(size);
  if (p != hashCache_.end()) {
    return p->second;
  }

  uint64_t h = folly::hash::fnv64_buf(data_.get(), size);
  hashCache_[size] = h;
  return h;
}

Member Data Documentation

std::unique_ptr<uint8_t[]> folly::io::test::DataHolder::data_

protected

Definition at line 59 of file CompressionTest.cpp.

Referenced by folly::io::test::ConstantDataHolder::ConstantDataHolder(), data(), hash(), and folly::io::test::RandomDataHolder::RandomDataHolder().

std::unordered_map<uint64_t, uint64_t> folly::io::test::DataHolder::hashCache_

mutableprotected

Definition at line 60 of file CompressionTest.cpp.

Referenced by hash().

const size_t folly::io::test::DataHolder::size_

protected

Definition at line 58 of file CompressionTest.cpp.

Referenced by folly::io::test::ConstantDataHolder::ConstantDataHolder(), data(), and hash().

---

The documentation for this class was generated from the following file:

• proxygen/folly/folly/compression/test/CompressionTest.cpp