char* start = &(foundBytes.front());
char* p = GroupVarint32::encode(start, a, b, c, d);
EXPECT_EQ((void*)(start + size), (void*)p);
char* start = &(foundBytes.front());
char* p = GroupVarint32::encode(start, a, b, c, d);
EXPECT_EQ((void*)(start + size), (void*)p);