107 lines
4.1 KiB
C
107 lines
4.1 KiB
C
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// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef GOOGLE_PROTOBUF_TEST_UTIL2_H__
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#define GOOGLE_PROTOBUF_TEST_UTIL2_H__
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#include <google/protobuf/stubs/strutil.h>
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#include <google/protobuf/testing/googletest.h>
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#include <google/protobuf/io/zero_copy_stream.h>
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#include <google/protobuf/io/zero_copy_stream_impl_lite.h>
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#include <google/protobuf/util/message_differencer.h>
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namespace google {
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namespace protobuf {
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namespace TestUtil {
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// Translate net/proto2/* -> google/protobuf/*
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inline std::string TranslatePathToOpensource(const std::string& google3_path) {
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const std::string prefix = "net/proto2/";
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GOOGLE_CHECK(google3_path.find(prefix) == 0) << google3_path;
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std::string path = google3_path.substr(prefix.size());
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path = StringReplace(path, "internal/", "", false);
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path = StringReplace(path, "proto/", "", false);
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path = StringReplace(path, "public/", "", false);
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return "google/protobuf/" + path;
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}
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inline std::string MaybeTranslatePath(const std::string& google3_path) {
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std::string path = google3_path;
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path = TranslatePathToOpensource(path);
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return path;
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}
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inline std::string TestSourceDir() {
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return google::protobuf::TestSourceDir();
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}
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inline std::string GetTestDataPath(const std::string& google3_path) {
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return TestSourceDir() + "/" + MaybeTranslatePath(google3_path);
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}
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// Checks the equality of "message" and serialized proto of type "ProtoType".
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// Do not directly compare two serialized protos.
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template <typename ProtoType>
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bool EqualsToSerialized(const ProtoType& message, const std::string& data) {
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ProtoType other;
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other.ParsePartialFromString(data);
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return util::MessageDifferencer::Equals(message, other);
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}
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// Wraps io::ArrayInputStream while checking against bound. When a blocking
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// stream is used with bounded length, proto parsing must not access beyond the
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// bound. Otherwise, it can result in unintended block, then deadlock.
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class BoundedArrayInputStream : public io::ZeroCopyInputStream {
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public:
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BoundedArrayInputStream(const void* data, int size)
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: stream_(data, size), bound_(size) {}
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~BoundedArrayInputStream() override {}
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bool Next(const void** data, int* size) override {
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GOOGLE_CHECK_LT(stream_.ByteCount(), bound_);
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return stream_.Next(data, size);
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}
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void BackUp(int count) override { stream_.BackUp(count); }
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bool Skip(int count) override { return stream_.Skip(count); }
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int64_t ByteCount() const override { return stream_.ByteCount(); }
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private:
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io::ArrayInputStream stream_;
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int bound_;
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};
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} // namespace TestUtil
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_TEST_UTIL2_H__
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