diff options
Diffstat (limited to 'conformance/conformance_cpp.cc')
-rw-r--r-- | conformance/conformance_cpp.cc | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/conformance/conformance_cpp.cc b/conformance/conformance_cpp.cc new file mode 100644 index 00000000..ff47fbbf --- /dev/null +++ b/conformance/conformance_cpp.cc @@ -0,0 +1,156 @@ +// Protocol Buffers - Google's data interchange format +// Copyright 2008 Google Inc. All rights reserved. +// https://developers.google.com/protocol-buffers/ +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +#include <errno.h> +#include <stdarg.h> +#include <unistd.h> + +#include "conformance.pb.h" + +using std::string; +using conformance::ConformanceRequest; +using conformance::ConformanceResponse; +using conformance::TestAllTypes; + +int test_count = 0; +bool verbose = false; + +bool CheckedRead(int fd, void *buf, size_t len) { + size_t ofs = 0; + while (len > 0) { + ssize_t bytes_read = read(fd, (char*)buf + ofs, len); + + if (bytes_read == 0) return false; + + if (bytes_read < 0) { + GOOGLE_LOG(FATAL) << "Error reading from test runner: " << strerror(errno); + } + + len -= bytes_read; + ofs += bytes_read; + } + + return true; +} + +void CheckedWrite(int fd, const void *buf, size_t len) { + if (write(fd, buf, len) != len) { + GOOGLE_LOG(FATAL) << "Error writing to test runner: " << strerror(errno); + } +} + +void DoTest(const ConformanceRequest& request, ConformanceResponse* response) { + TestAllTypes test_message; + + switch (request.payload_case()) { + case ConformanceRequest::kProtobufPayload: + if (!test_message.ParseFromString(request.protobuf_payload())) { + // Getting parse details would involve something like: + // http://stackoverflow.com/questions/22121922/how-can-i-get-more-details-about-errors-generated-during-protobuf-parsing-c + response->set_parse_error("Parse error (no more details available)."); + return; + } + break; + + case ConformanceRequest::kJsonPayload: + response->set_runtime_error("JSON input is not yet supported."); + break; + + case ConformanceRequest::PAYLOAD_NOT_SET: + GOOGLE_LOG(FATAL) << "Request didn't have payload."; + break; + } + + switch (request.requested_output()) { + case ConformanceRequest::UNSPECIFIED: + GOOGLE_LOG(FATAL) << "Unspecified output format"; + break; + + case ConformanceRequest::PROTOBUF: + test_message.SerializeToString(response->mutable_protobuf_payload()); + break; + + case ConformanceRequest::JSON: + response->set_runtime_error("JSON output is not yet supported."); + break; + } +} + +bool DoTestIo() { + string serialized_input; + string serialized_output; + ConformanceRequest request; + ConformanceResponse response; + uint32_t bytes; + + if (!CheckedRead(STDIN_FILENO, &bytes, sizeof(uint32_t))) { + // EOF. + return false; + } + + serialized_input.resize(bytes); + + if (!CheckedRead(STDIN_FILENO, (char*)serialized_input.c_str(), bytes)) { + GOOGLE_LOG(ERROR) << "Unexpected EOF on stdin. " << strerror(errno); + } + + if (!request.ParseFromString(serialized_input)) { + GOOGLE_LOG(FATAL) << "Parse of ConformanceRequest proto failed."; + return false; + } + + DoTest(request, &response); + + response.SerializeToString(&serialized_output); + + bytes = serialized_output.size(); + CheckedWrite(STDOUT_FILENO, &bytes, sizeof(uint32_t)); + CheckedWrite(STDOUT_FILENO, serialized_output.c_str(), bytes); + + if (verbose) { + fprintf(stderr, "conformance-cpp: request=%s, response=%s\n", + request.ShortDebugString().c_str(), + response.ShortDebugString().c_str()); + } + + test_count++; + + return true; +} + +int main() { + while (1) { + if (!DoTestIo()) { + fprintf(stderr, "conformance-cpp: received EOF from test runner " + "after %d tests, exiting\n", test_count); + return 0; + } + } +} |