folly::io::test::CompressionCorruptionTest Class Reference

Inheritance diagram for folly::io::test::CompressionCorruptionTest:

Protected Member Functions
void	SetUp () override
void	runSimpleTest (const DataHolder &dh)

Protected Attributes
std::unique_ptr< Codec >	codec_

Detailed Description

Definition at line 381 of file CompressionTest.cpp.

Member Function Documentation

void folly::io::test::CompressionCorruptionTest::runSimpleTest ( const DataHolder &  dh )

protected

Definition at line 392 of file CompressionTest.cpp.

References codec_, folly::io::test::DataHolder::data(), EXPECT_EQ, EXPECT_THROW, folly::io::test::DataHolder::hash(), folly::io::test::hashIOBuf(), uint64_t, and folly::IOBuf::wrapBuffer().

                                                                  {
  constexpr uint64_t uncompressedLength = 42;
  auto original = IOBuf::wrapBuffer(dh.data(uncompressedLength));
  auto compressed = codec_->compress(original.get());

  if (!codec_->needsUncompressedLength()) {
    auto uncompressed = codec_->uncompress(compressed.get());
    EXPECT_EQ(uncompressedLength, uncompressed->computeChainDataLength());
    EXPECT_EQ(dh.hash(uncompressedLength), hashIOBuf(uncompressed.get()));
  }
  {
    auto uncompressed =
        codec_->uncompress(compressed.get(), uncompressedLength);
    EXPECT_EQ(uncompressedLength, uncompressed->computeChainDataLength());
    EXPECT_EQ(dh.hash(uncompressedLength), hashIOBuf(uncompressed.get()));
  }

  EXPECT_THROW(
      codec_->uncompress(compressed.get(), uncompressedLength + 1),
      std::runtime_error);

  auto corrupted = compressed->clone();
  corrupted->unshare();
  // Truncate the last character
  corrupted->prev()->trimEnd(1);
  if (!codec_->needsUncompressedLength()) {
    EXPECT_THROW(codec_->uncompress(corrupted.get()), std::runtime_error);
  }

  EXPECT_THROW(
      codec_->uncompress(corrupted.get(), uncompressedLength),
      std::runtime_error);

  corrupted = compressed->clone();
  corrupted->unshare();
  // Corrupt the first character
  ++(corrupted->writableData()[0]);

  if (!codec_->needsUncompressedLength()) {
    EXPECT_THROW(codec_->uncompress(corrupted.get()), std::runtime_error);
  }

  EXPECT_THROW(
      codec_->uncompress(corrupted.get(), uncompressedLength),
      std::runtime_error);
}

void folly::io::test::CompressionCorruptionTest::SetUp ( )

inlineoverrideprotected

Definition at line 383 of file CompressionTest.cpp.

References codec_, and folly::io::getCodec().

                        {
    codec_ = getCodec(GetParam());
  }

Member Data Documentation

std::unique_ptr<Codec> folly::io::test::CompressionCorruptionTest::codec_

protected

Definition at line 389 of file CompressionTest.cpp.

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

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