// Test deserializing from an unmanaged IOBuf, which doesn't control the
// lifetime of the underlying data
TEST(GitBlob, testDeserializeUnmanaged) {
string blobHash("3a8f8eb91101860fd8484154885838bf322964d0");
Hash hash(blobHash);
string contents("{\n \"breakConfig\": true\n}\n");
auto gitBlobObjectStr = folly::to<string>(string("blob 26\x00", 8), contents);
folly::ByteRange gitBlobObject = folly::StringPiece{gitBlobObjectStr};
EXPECT_EQ(blobHash, Hash::sha1(gitBlobObject).toString())
<< "SHA-1 of contents should match key";
IOBuf buf(IOBuf::WRAP_BUFFER, gitBlobObject);
auto blob = deserializeGitBlob(hash, &buf);
EXPECT_EQ(hash, blob->getHash());
EXPECT_FALSE(blob->getContents().isShared())
<< "deserializeGitBlob() must make a copy of the buffer given "
<< "an unmanaged IOBuf as input";
EXPECT_EQ(contents, StringPiece{blob->getContents().clone()->coalesce()});
// Make sure the blob contents are still valid after freeing our string data.
{
std::string empty;
gitBlobObjectStr.swap(empty);
buf = IOBuf();
}
EXPECT_EQ(contents, StringPiece{blob->getContents().clone()->coalesce()});
}
