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Add test

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This commit is contained in:
Andrew Noyes 2020-03-10 10:42:57 -07:00
parent 027029cc9b
commit 770ef6e726
1 changed files with 4 additions and 0 deletions

4
flow/flat_buffers.cpp

@ -488,6 +488,10 @@ TEST_CASE("/flow/FlatBuffers/Standalone") {
// Meant to be run with valgrind or asan, to catch heap buffer overflows // Meant to be run with valgrind or asan, to catch heap buffer overflows
TEST_CASE("/flow/FlatBuffers/Void") { TEST_CASE("/flow/FlatBuffers/Void") {
Standalone<StringRef> msg = ObjectWriter::toValue(Void(), Unversioned()); Standalone<StringRef> msg = ObjectWriter::toValue(Void(), Unversioned());
// Manually verified to be a valid flatbuffers message. This is technically brittle since there are other valid
// encodings of this message, but our implementation is unlikely to change.
ASSERT(msg == LiteralStringRef("\x14\x00\x00\x00J\xad\x1e\x00\x00\x00\x04\x00\x04\x00\x06\x00\x08\x00\x04\x00\x06"
"\x00\x00\x00\x04\x00\x00\x00\x12\x00\x00\x00"));
auto buffer = std::make_unique<uint8_t[]>(msg.size()); // Make a heap allocation of precisely the right size, so auto buffer = std::make_unique<uint8_t[]>(msg.size()); // Make a heap allocation of precisely the right size, so
// that asan or valgrind will catch any overflows // that asan or valgrind will catch any overflows
memcpy(buffer.get(), msg.begin(), msg.size()); memcpy(buffer.get(), msg.begin(), msg.size());