test/DenseProtoTest.cpp - common/thrift - Gitiles

 /*
 ../compiler/cpp/thrift -cpp -dense DebugProtoTest.thrift
 ../compiler/cpp/thrift -cpp -dense OptionalRequiredTest.thrift
 g++ -Wall -g -I../lib/cpp/src -I/usr/local/include/boost-1_33_1 \
   gen-cpp/OptionalRequiredTest_types.cpp \
   gen-cpp/DebugProtoTest_types.cpp \
   DenseProtoTest.cpp ../lib/cpp/.libs/libthrift.a -o DenseProtoTest
 ./DenseProtoTest
 */

 // I do this to reach into the guts of TDenseProtocol.  Sorry.
 #define private public
 #define inline

 #undef NDEBUG
 #include <cstdlib>
 #include <cassert>
 #include <iostream>
 #include <cmath>
 #include <string>
 #include "gen-cpp/DebugProtoTest_types.h"
 #include "gen-cpp/OptionalRequiredTest_types.h"
 #include <protocol/TDenseProtocol.h>
 #include <transport/TBufferTransports.h>


 // Can't use memcmp here.  GCC is too smart.
 bool my_memeq(const char* str1, const char* str2, int len) {
   for (int i = 0; i < len; i++) {
     if (str1[i] != str2[i]) {
       return false;
     }
   }
   return true;
 }


 int main() {
   using std::string;
   using std::cout;
   using std::endl;
   using boost::shared_ptr;
   using namespace thrift::test::debug;
   using namespace facebook::thrift::transport;
   using namespace facebook::thrift::protocol;


   OneOfEach ooe;
   ooe.im_true   = true;
   ooe.im_false  = false;
   ooe.a_bite    = 0xd6;
   ooe.integer16 = 27000;
   ooe.integer32 = 1<<24;
   ooe.integer64 = (uint64_t)6000 * 1000 * 1000;
   ooe.double_precision = M_PI;
   ooe.some_characters  = "Debug THIS!";
   ooe.zomg_unicode     = "\xd7\n\a\t";

   //cout << facebook::thrift::ThriftDebugString(ooe) << endl << endl;


   Nesting n;
   n.my_ooe = ooe;
   n.my_ooe.integer16 = 16;
   n.my_ooe.integer32 = 32;
   n.my_ooe.integer64 = 64;
   n.my_ooe.double_precision = (std::sqrt(5)+1)/2;
   n.my_ooe.some_characters  = ":R (me going \"rrrr\")";
   n.my_ooe.zomg_unicode     = "\xd3\x80\xe2\x85\xae\xce\x9d\x20"
                               "\xd0\x9d\xce\xbf\xe2\x85\xbf\xd0\xbe\xc9\xa1\xd0\xb3\xd0\xb0\xcf\x81\xe2\x84\x8e"
                               "\x20\xce\x91\x74\x74\xce\xb1\xe2\x85\xbd\xce\xba\xc7\x83\xe2\x80\xbc";
   n.my_bonk.type    = 31337;
   n.my_bonk.message = "I am a bonk... xor!";

   //cout << facebook::thrift::ThriftDebugString(n) << endl << endl;


   HolyMoley hm;

   hm.big.push_back(ooe);
   hm.big.push_back(n.my_ooe);
   hm.big[0].a_bite = 0x22;
   hm.big[1].a_bite = 0x33;

   std::vector<std::string> stage1;
   stage1.push_back("and a one");
   stage1.push_back("and a two");
   hm.contain.insert(stage1);
   stage1.clear();
   stage1.push_back("then a one, two");
   stage1.push_back("three!");
   stage1.push_back("FOUR!!");
   hm.contain.insert(stage1);
   stage1.clear();
   hm.contain.insert(stage1);

   std::vector<Bonk> stage2;
   hm.bonks["nothing"] = stage2;
   stage2.resize(stage2.size()+1);
   stage2.back().type = 1;
   stage2.back().message = "Wait.";
   stage2.resize(stage2.size()+1);
   stage2.back().type = 2;
   stage2.back().message = "What?";
   hm.bonks["something"] = stage2;
   stage2.clear();
   stage2.resize(stage2.size()+1);
   stage2.back().type = 3;
   stage2.back().message = "quoth";
   stage2.resize(stage2.size()+1);
   stage2.back().type = 4;
   stage2.back().message = "the raven";
   stage2.resize(stage2.size()+1);
   stage2.back().type = 5;
   stage2.back().message = "nevermore";
   hm.bonks["poe"] = stage2;

   //cout << facebook::thrift::ThriftDebugString(hm) << endl << endl;

   shared_ptr<TMemoryBuffer> buffer(new TMemoryBuffer());
   shared_ptr<TDenseProtocol> proto(new TDenseProtocol(buffer));
   proto->setTypeSpec(HolyMoley::local_reflection);

   hm.write(proto.get());
   HolyMoley hm2;
   hm2.read(proto.get());

   assert(hm == hm2);


   // Let's test out the variable-length ints, shall we?
   uint64_t vlq;
   #define checkout(i, c) { \
     buffer->resetBuffer(); \
     proto->vlqWrite(i); \
     proto->getTransport()->flush(); \
     assert(my_memeq(buffer->getBufferAsString().data(), c, sizeof(c)-1)); \
     proto->vlqRead(vlq); \
     assert(vlq == i); \
   }

   checkout(0x00000000, "\x00");
   checkout(0x00000040, "\x40");
   checkout(0x0000007F, "\x7F");
   checkout(0x00000080, "\x81\x00");
   checkout(0x00002000, "\xC0\x00");
   checkout(0x00003FFF, "\xFF\x7F");
   checkout(0x00004000, "\x81\x80\x00");
   checkout(0x00100000, "\xC0\x80\x00");
   checkout(0x001FFFFF, "\xFF\xFF\x7F");
   checkout(0x00200000, "\x81\x80\x80\x00");
   checkout(0x08000000, "\xC0\x80\x80\x00");
   checkout(0x0FFFFFFF, "\xFF\xFF\xFF\x7F");
   checkout(0x10000000, "\x81\x80\x80\x80\x00");
   checkout(0x20000000, "\x82\x80\x80\x80\x00");
   checkout(0x1FFFFFFF, "\x81\xFF\xFF\xFF\x7F");
   checkout(0xFFFFFFFF, "\x8F\xFF\xFF\xFF\x7F");

   checkout(0x0000000100000000ull, "\x90\x80\x80\x80\x00");
   checkout(0x0000000200000000ull, "\xA0\x80\x80\x80\x00");
   checkout(0x0000000300000000ull, "\xB0\x80\x80\x80\x00");
   checkout(0x0000000700000000ull, "\xF0\x80\x80\x80\x00");
   checkout(0x00000007F0000000ull, "\xFF\x80\x80\x80\x00");
   checkout(0x00000007FFFFFFFFull, "\xFF\xFF\xFF\xFF\x7F");
   checkout(0x0000000800000000ull, "\x81\x80\x80\x80\x80\x00");
   checkout(0x1FFFFFFFFFFFFFFFull, "\x9F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
   checkout(0x7FFFFFFFFFFFFFFFull, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
   checkout(0xFFFFFFFFFFFFFFFFull, "\x81\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");

   // Test out the slow path with a TBufferedTransport.
   shared_ptr<TBufferedTransport> buff_trans(new TBufferedTransport(buffer, 3));
   proto.reset(new TDenseProtocol(buff_trans));
   checkout(0x0000000100000000ull, "\x90\x80\x80\x80\x00");
   checkout(0x0000000200000000ull, "\xA0\x80\x80\x80\x00");
   checkout(0x0000000300000000ull, "\xB0\x80\x80\x80\x00");
   checkout(0x0000000700000000ull, "\xF0\x80\x80\x80\x00");
   checkout(0x00000007F0000000ull, "\xFF\x80\x80\x80\x00");
   checkout(0x00000007FFFFFFFFull, "\xFF\xFF\xFF\xFF\x7F");
   checkout(0x0000000800000000ull, "\x81\x80\x80\x80\x80\x00");
   checkout(0x1FFFFFFFFFFFFFFFull, "\x9F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
   checkout(0x7FFFFFFFFFFFFFFFull, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
   checkout(0xFFFFFFFFFFFFFFFFull, "\x81\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");

   // Test optional stuff.
   proto.reset(new TDenseProtocol(buffer));
   proto->setTypeSpec(ManyOpt::local_reflection);
   ManyOpt mo1, mo2, mo3, mo4, mo5, mo6;
   mo1.opt1 = 923759347;
   mo1.opt2 = 392749274;
   mo1.opt3 = 395739402;
   mo1.def4 = 294730928;
   mo1.opt5 = 394309218;
   mo1.opt6 = 832194723;
   mo1.__isset.opt1 = true;
   mo1.__isset.opt2 = true;
   mo1.__isset.opt3 = true;
   mo1.__isset.def4 = true;
   mo1.__isset.opt5 = true;
   mo1.__isset.opt6 = true;

   mo1.write(proto.get());
   mo2.read(proto.get());

   assert(mo2.__isset.opt1 == true);
   assert(mo2.__isset.opt2 == true);
   assert(mo2.__isset.opt3 == true);
   assert(mo2.__isset.def4 == true);
   assert(mo2.__isset.opt5 == true);
   assert(mo2.__isset.opt6 == true);

   assert(mo1 == mo2);

   mo1.__isset.opt1 = false;
   mo1.__isset.opt3 = false;
   mo1.__isset.opt5 = false;

   mo1.write(proto.get());
   mo3.read(proto.get());

   assert(mo3.__isset.opt1 == false);
   assert(mo3.__isset.opt2 == true);
   assert(mo3.__isset.opt3 == false);
   assert(mo3.__isset.def4 == true);
   assert(mo3.__isset.opt5 == false);
   assert(mo3.__isset.opt6 == true);

   assert(mo1 == mo3);

   mo1.__isset.opt1 = true;
   mo1.__isset.opt3 = true;
   mo1.__isset.opt5 = true;
   mo1.__isset.opt2 = false;
   mo1.__isset.opt6 = false;

   mo1.write(proto.get());
   mo4.read(proto.get());

   assert(mo4.__isset.opt1 == true);
   assert(mo4.__isset.opt2 == false);
   assert(mo4.__isset.opt3 == true);
   assert(mo4.__isset.def4 == true);
   assert(mo4.__isset.opt5 == true);
   assert(mo4.__isset.opt6 == false);

   assert(mo1 == mo4);

   mo1.__isset.opt1 = false;
   mo1.__isset.opt5 = false;

   mo1.write(proto.get());
   mo5.read(proto.get());

   assert(mo5.__isset.opt1 == false);
   assert(mo5.__isset.opt2 == false);
   assert(mo5.__isset.opt3 == true);
   assert(mo5.__isset.def4 == true);
   assert(mo5.__isset.opt5 == false);
   assert(mo5.__isset.opt6 == false);

   assert(mo1 == mo5);

   mo1.__isset.opt3 = false;

   mo1.write(proto.get());
   mo6.read(proto.get());

   assert(mo6.__isset.opt1 == false);
   assert(mo6.__isset.opt2 == false);
   assert(mo6.__isset.opt3 == false);
   assert(mo6.__isset.def4 == true);
   assert(mo6.__isset.opt5 == false);
   assert(mo6.__isset.opt6 == false);

   assert(mo1 == mo6);


   // Test fingerprint checking stuff.

   {
     // Default and required have the same fingerprint.
     Tricky1 t1;
     Tricky3 t3;
     assert(string(Tricky1::ascii_fingerprint) == Tricky3::ascii_fingerprint);
     proto->setTypeSpec(Tricky1::local_reflection);
     t1.im_default = 227;
     t1.write(proto.get());
     proto->setTypeSpec(Tricky3::local_reflection);
     t3.read(proto.get());
     assert(t3.im_required == 227);
   }

   {
     // Optional changes things.
     Tricky1 t1;
     Tricky2 t2;
     assert(string(Tricky1::ascii_fingerprint) != Tricky2::ascii_fingerprint);
     proto->setTypeSpec(Tricky1::local_reflection);
     t1.im_default = 227;
     t1.write(proto.get());
     try {
       proto->setTypeSpec(Tricky2::local_reflection);
       t2.read(proto.get());
       assert(false);
     } catch (TProtocolException& ex) {
       buffer->resetBuffer();
     }
   }

   {
     // Holy cow.  We can use the Tricky1 typespec with the Tricky2 structure.
     Tricky1 t1;
     Tricky2 t2;
     proto->setTypeSpec(Tricky1::local_reflection);
     t1.im_default = 227;
     t1.write(proto.get());
     t2.read(proto.get());
     assert(t2.__isset.im_optional == true);
     assert(t2.im_optional == 227);
   }

   {
     // And totally off the wall.
     Tricky1 t1;
     OneOfEach ooe2;
     assert(string(Tricky1::ascii_fingerprint) != OneOfEach::ascii_fingerprint);
     proto->setTypeSpec(Tricky1::local_reflection);
     t1.im_default = 227;
     t1.write(proto.get());
     try {
       proto->setTypeSpec(OneOfEach::local_reflection);
       ooe2.read(proto.get());
       assert(false);
     } catch (TProtocolException& ex) {
       buffer->resetBuffer();
     }
   }

   // Okay, this is really off the wall.
   // Just don't crash.
   cout << "Starting fuzz test.  This takes a while.  (20 dots.)" << endl;
   std::srand(12345);
   for (int i = 0; i < 2000; i++) {
     if (i % 100 == 0) {
       cout << ".";
       cout.flush();
     }
     buffer->resetBuffer();
     // Make sure the fingerprint prefix is right.
     buffer->write(Nesting::binary_fingerprint, 4);
     for (int j = 0; j < 1024*1024; j++) {
       uint8_t r = std::rand();
       buffer->write(&r, 1);
     }
     Nesting n;
     proto->setTypeSpec(OneOfEach::local_reflection);
     try {
       n.read(proto.get());
     } catch (TProtocolException& ex) {
     } catch (TTransportException& ex) {
     }
   }
   cout << endl;

   return 0;
 }
	/*
	../compiler/cpp/thrift -cpp -dense DebugProtoTest.thrift
	../compiler/cpp/thrift -cpp -dense OptionalRequiredTest.thrift
	g++ -Wall -g -I../lib/cpp/src -I/usr/local/include/boost-1_33_1 \
	gen-cpp/OptionalRequiredTest_types.cpp \
	gen-cpp/DebugProtoTest_types.cpp \
	DenseProtoTest.cpp ../lib/cpp/.libs/libthrift.a -o DenseProtoTest
	./DenseProtoTest
	*/

	// I do this to reach into the guts of TDenseProtocol. Sorry.
	#define private public
	#define inline

	#undef NDEBUG
	#include <cstdlib>
	#include <cassert>
	#include <iostream>
	#include <cmath>
	#include <string>
	#include "gen-cpp/DebugProtoTest_types.h"
	#include "gen-cpp/OptionalRequiredTest_types.h"
	#include <protocol/TDenseProtocol.h>
	#include <transport/TBufferTransports.h>


	// Can't use memcmp here. GCC is too smart.
	bool my_memeq(const char* str1, const char* str2, int len) {
	for (int i = 0; i < len; i++) {
	if (str1[i] != str2[i]) {
	return false;
	}
	}
	return true;
	}


	int main() {
	using std::string;
	using std::cout;
	using std::endl;
	using boost::shared_ptr;
	using namespace thrift::test::debug;
	using namespace facebook::thrift::transport;
	using namespace facebook::thrift::protocol;


	OneOfEach ooe;
	ooe.im_true = true;
	ooe.im_false = false;
	ooe.a_bite = 0xd6;
	ooe.integer16 = 27000;
	ooe.integer32 = 1<<24;
	ooe.integer64 = (uint64_t)6000 * 1000 * 1000;
	ooe.double_precision = M_PI;
	ooe.some_characters = "Debug THIS!";
	ooe.zomg_unicode = "\xd7\n\a\t";

	//cout << facebook::thrift::ThriftDebugString(ooe) << endl << endl;


	Nesting n;
	n.my_ooe = ooe;
	n.my_ooe.integer16 = 16;
	n.my_ooe.integer32 = 32;
	n.my_ooe.integer64 = 64;
	n.my_ooe.double_precision = (std::sqrt(5)+1)/2;
	n.my_ooe.some_characters = ":R (me going \"rrrr\")";
	n.my_ooe.zomg_unicode = "\xd3\x80\xe2\x85\xae\xce\x9d\x20"
	"\xd0\x9d\xce\xbf\xe2\x85\xbf\xd0\xbe\xc9\xa1\xd0\xb3\xd0\xb0\xcf\x81\xe2\x84\x8e"
	"\x20\xce\x91\x74\x74\xce\xb1\xe2\x85\xbd\xce\xba\xc7\x83\xe2\x80\xbc";
	n.my_bonk.type = 31337;
	n.my_bonk.message = "I am a bonk... xor!";

	//cout << facebook::thrift::ThriftDebugString(n) << endl << endl;


	HolyMoley hm;

	hm.big.push_back(ooe);
	hm.big.push_back(n.my_ooe);
	hm.big[0].a_bite = 0x22;
	hm.big[1].a_bite = 0x33;

	std::vector<std::string> stage1;
	stage1.push_back("and a one");
	stage1.push_back("and a two");
	hm.contain.insert(stage1);
	stage1.clear();
	stage1.push_back("then a one, two");
	stage1.push_back("three!");
	stage1.push_back("FOUR!!");
	hm.contain.insert(stage1);
	stage1.clear();
	hm.contain.insert(stage1);

	std::vector<Bonk> stage2;
	hm.bonks["nothing"] = stage2;
	stage2.resize(stage2.size()+1);
	stage2.back().type = 1;
	stage2.back().message = "Wait.";
	stage2.resize(stage2.size()+1);
	stage2.back().type = 2;
	stage2.back().message = "What?";
	hm.bonks["something"] = stage2;
	stage2.clear();
	stage2.resize(stage2.size()+1);
	stage2.back().type = 3;
	stage2.back().message = "quoth";
	stage2.resize(stage2.size()+1);
	stage2.back().type = 4;
	stage2.back().message = "the raven";
	stage2.resize(stage2.size()+1);
	stage2.back().type = 5;
	stage2.back().message = "nevermore";
	hm.bonks["poe"] = stage2;

	//cout << facebook::thrift::ThriftDebugString(hm) << endl << endl;

	shared_ptr<TMemoryBuffer> buffer(new TMemoryBuffer());
	shared_ptr<TDenseProtocol> proto(new TDenseProtocol(buffer));
	proto->setTypeSpec(HolyMoley::local_reflection);

	hm.write(proto.get());
	HolyMoley hm2;
	hm2.read(proto.get());

	assert(hm == hm2);


	// Let's test out the variable-length ints, shall we?
	uint64_t vlq;
	#define checkout(i, c) { \
	buffer->resetBuffer(); \
	proto->vlqWrite(i); \
	proto->getTransport()->flush(); \
	assert(my_memeq(buffer->getBufferAsString().data(), c, sizeof(c)-1)); \
	proto->vlqRead(vlq); \
	assert(vlq == i); \
	}

	checkout(0x00000000, "\x00");
	checkout(0x00000040, "\x40");
	checkout(0x0000007F, "\x7F");
	checkout(0x00000080, "\x81\x00");
	checkout(0x00002000, "\xC0\x00");
	checkout(0x00003FFF, "\xFF\x7F");
	checkout(0x00004000, "\x81\x80\x00");
	checkout(0x00100000, "\xC0\x80\x00");
	checkout(0x001FFFFF, "\xFF\xFF\x7F");
	checkout(0x00200000, "\x81\x80\x80\x00");
	checkout(0x08000000, "\xC0\x80\x80\x00");
	checkout(0x0FFFFFFF, "\xFF\xFF\xFF\x7F");
	checkout(0x10000000, "\x81\x80\x80\x80\x00");
	checkout(0x20000000, "\x82\x80\x80\x80\x00");
	checkout(0x1FFFFFFF, "\x81\xFF\xFF\xFF\x7F");
	checkout(0xFFFFFFFF, "\x8F\xFF\xFF\xFF\x7F");

	checkout(0x0000000100000000ull, "\x90\x80\x80\x80\x00");
	checkout(0x0000000200000000ull, "\xA0\x80\x80\x80\x00");
	checkout(0x0000000300000000ull, "\xB0\x80\x80\x80\x00");
	checkout(0x0000000700000000ull, "\xF0\x80\x80\x80\x00");
	checkout(0x00000007F0000000ull, "\xFF\x80\x80\x80\x00");
	checkout(0x00000007FFFFFFFFull, "\xFF\xFF\xFF\xFF\x7F");
	checkout(0x0000000800000000ull, "\x81\x80\x80\x80\x80\x00");
	checkout(0x1FFFFFFFFFFFFFFFull, "\x9F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
	checkout(0x7FFFFFFFFFFFFFFFull, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
	checkout(0xFFFFFFFFFFFFFFFFull, "\x81\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");

	// Test out the slow path with a TBufferedTransport.
	shared_ptr<TBufferedTransport> buff_trans(new TBufferedTransport(buffer, 3));
	proto.reset(new TDenseProtocol(buff_trans));
	checkout(0x0000000100000000ull, "\x90\x80\x80\x80\x00");
	checkout(0x0000000200000000ull, "\xA0\x80\x80\x80\x00");
	checkout(0x0000000300000000ull, "\xB0\x80\x80\x80\x00");
	checkout(0x0000000700000000ull, "\xF0\x80\x80\x80\x00");
	checkout(0x00000007F0000000ull, "\xFF\x80\x80\x80\x00");
	checkout(0x00000007FFFFFFFFull, "\xFF\xFF\xFF\xFF\x7F");
	checkout(0x0000000800000000ull, "\x81\x80\x80\x80\x80\x00");
	checkout(0x1FFFFFFFFFFFFFFFull, "\x9F\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
	checkout(0x7FFFFFFFFFFFFFFFull, "\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");
	checkout(0xFFFFFFFFFFFFFFFFull, "\x81\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\x7F");

	// Test optional stuff.
	proto.reset(new TDenseProtocol(buffer));
	proto->setTypeSpec(ManyOpt::local_reflection);
	ManyOpt mo1, mo2, mo3, mo4, mo5, mo6;
	mo1.opt1 = 923759347;
	mo1.opt2 = 392749274;
	mo1.opt3 = 395739402;
	mo1.def4 = 294730928;
	mo1.opt5 = 394309218;
	mo1.opt6 = 832194723;
	mo1.__isset.opt1 = true;
	mo1.__isset.opt2 = true;
	mo1.__isset.opt3 = true;
	mo1.__isset.def4 = true;
	mo1.__isset.opt5 = true;
	mo1.__isset.opt6 = true;

	mo1.write(proto.get());
	mo2.read(proto.get());

	assert(mo2.__isset.opt1 == true);
	assert(mo2.__isset.opt2 == true);
	assert(mo2.__isset.opt3 == true);
	assert(mo2.__isset.def4 == true);
	assert(mo2.__isset.opt5 == true);
	assert(mo2.__isset.opt6 == true);

	assert(mo1 == mo2);

	mo1.__isset.opt1 = false;
	mo1.__isset.opt3 = false;
	mo1.__isset.opt5 = false;

	mo1.write(proto.get());
	mo3.read(proto.get());

	assert(mo3.__isset.opt1 == false);
	assert(mo3.__isset.opt2 == true);
	assert(mo3.__isset.opt3 == false);
	assert(mo3.__isset.def4 == true);
	assert(mo3.__isset.opt5 == false);
	assert(mo3.__isset.opt6 == true);

	assert(mo1 == mo3);

	mo1.__isset.opt1 = true;
	mo1.__isset.opt3 = true;
	mo1.__isset.opt5 = true;
	mo1.__isset.opt2 = false;
	mo1.__isset.opt6 = false;

	mo1.write(proto.get());
	mo4.read(proto.get());

	assert(mo4.__isset.opt1 == true);
	assert(mo4.__isset.opt2 == false);
	assert(mo4.__isset.opt3 == true);
	assert(mo4.__isset.def4 == true);
	assert(mo4.__isset.opt5 == true);
	assert(mo4.__isset.opt6 == false);

	assert(mo1 == mo4);

	mo1.__isset.opt1 = false;
	mo1.__isset.opt5 = false;

	mo1.write(proto.get());
	mo5.read(proto.get());

	assert(mo5.__isset.opt1 == false);
	assert(mo5.__isset.opt2 == false);
	assert(mo5.__isset.opt3 == true);
	assert(mo5.__isset.def4 == true);
	assert(mo5.__isset.opt5 == false);
	assert(mo5.__isset.opt6 == false);

	assert(mo1 == mo5);

	mo1.__isset.opt3 = false;

	mo1.write(proto.get());
	mo6.read(proto.get());

	assert(mo6.__isset.opt1 == false);
	assert(mo6.__isset.opt2 == false);
	assert(mo6.__isset.opt3 == false);
	assert(mo6.__isset.def4 == true);
	assert(mo6.__isset.opt5 == false);
	assert(mo6.__isset.opt6 == false);

	assert(mo1 == mo6);


	// Test fingerprint checking stuff.

	{
	// Default and required have the same fingerprint.
	Tricky1 t1;
	Tricky3 t3;
	assert(string(Tricky1::ascii_fingerprint) == Tricky3::ascii_fingerprint);
	proto->setTypeSpec(Tricky1::local_reflection);
	t1.im_default = 227;
	t1.write(proto.get());
	proto->setTypeSpec(Tricky3::local_reflection);
	t3.read(proto.get());
	assert(t3.im_required == 227);
	}

	{
	// Optional changes things.
	Tricky1 t1;
	Tricky2 t2;
	assert(string(Tricky1::ascii_fingerprint) != Tricky2::ascii_fingerprint);
	proto->setTypeSpec(Tricky1::local_reflection);
	t1.im_default = 227;
	t1.write(proto.get());
	try {
	proto->setTypeSpec(Tricky2::local_reflection);
	t2.read(proto.get());
	assert(false);
	} catch (TProtocolException& ex) {
	buffer->resetBuffer();
	}
	}

	{
	// Holy cow. We can use the Tricky1 typespec with the Tricky2 structure.
	Tricky1 t1;
	Tricky2 t2;
	proto->setTypeSpec(Tricky1::local_reflection);
	t1.im_default = 227;
	t1.write(proto.get());
	t2.read(proto.get());
	assert(t2.__isset.im_optional == true);
	assert(t2.im_optional == 227);
	}

	{
	// And totally off the wall.
	Tricky1 t1;
	OneOfEach ooe2;
	assert(string(Tricky1::ascii_fingerprint) != OneOfEach::ascii_fingerprint);
	proto->setTypeSpec(Tricky1::local_reflection);
	t1.im_default = 227;
	t1.write(proto.get());
	try {
	proto->setTypeSpec(OneOfEach::local_reflection);
	ooe2.read(proto.get());
	assert(false);
	} catch (TProtocolException& ex) {
	buffer->resetBuffer();
	}
	}

	// Okay, this is really off the wall.
	// Just don't crash.
	cout << "Starting fuzz test. This takes a while. (20 dots.)" << endl;
	std::srand(12345);
	for (int i = 0; i < 2000; i++) {
	if (i % 100 == 0) {
	cout << ".";
	cout.flush();
	}
	buffer->resetBuffer();
	// Make sure the fingerprint prefix is right.
	buffer->write(Nesting::binary_fingerprint, 4);
	for (int j = 0; j < 1024*1024; j++) {
	uint8_t r = std::rand();
	buffer->write(&r, 1);
	}
	Nesting n;
	proto->setTypeSpec(OneOfEach::local_reflection);
	try {
	n.read(proto.get());
	} catch (TProtocolException& ex) {
	} catch (TTransportException& ex) {
	}
	}
	cout << endl;

	return 0;
	}