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Diffstat (limited to 'third_party/protobuf/3.4.0/src/google/protobuf/arena_test_util.h')
-rw-r--r-- | third_party/protobuf/3.4.0/src/google/protobuf/arena_test_util.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/src/google/protobuf/arena_test_util.h b/third_party/protobuf/3.4.0/src/google/protobuf/arena_test_util.h new file mode 100644 index 0000000000..8c9f7698c5 --- /dev/null +++ b/third_party/protobuf/3.4.0/src/google/protobuf/arena_test_util.h @@ -0,0 +1,91 @@ +// 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. + +#ifndef GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ +#define GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ + +#include <google/protobuf/stubs/logging.h> +#include <google/protobuf/stubs/common.h> +#include <google/protobuf/arena.h> + +namespace google { +namespace protobuf { + +template <typename T, bool use_arena> +void TestParseCorruptedString(const T& message) { + int success_count = 0; + string s = message.SerializeAsString(); + const int kMaxIters = 900; + const int stride = s.size() <= kMaxIters ? 1 : s.size() / kMaxIters; + const int start = stride == 1 || use_arena ? 0 : (stride + 1) / 2; + for (int i = start; i < s.size(); i += stride) { + for (int c = 1 + (i % 17); c < 256; c += 2 * c + (i & 3)) { + s[i] ^= c; + google::protobuf::Arena arena; + T* message = + google::protobuf::Arena::CreateMessage<T>(use_arena ? &arena : NULL); + if (message->ParseFromString(s)) { + ++success_count; + } + if (!use_arena) { + delete message; + } + s[i] ^= c; // Restore s to its original state. + } + } + // This next line is a low bar. But getting through the test without crashing + // due to use-after-free or other bugs is a big part of what we're checking. + GOOGLE_CHECK_GT(success_count, 0); +} + +namespace internal { + +class NoHeapChecker { + public: + NoHeapChecker() { + capture_alloc.Hook(); + } + ~NoHeapChecker(); + private: + class NewDeleteCapture { + public: + // TOOD(xiaofeng): Implement this for opensource protobuf. + void Hook() {} + void Unhook() {} + int alloc_count() { return 0; } + int free_count() { return 0; } + } capture_alloc; +}; + +} // namespace internal +} // namespace protobuf + +} // namespace google +#endif // GOOGLE_PROTOBUF_ARENA_TEST_UTIL_H__ |