Function check

extras/tests/MsgPackDeserializer/doubleToFloat.cpp:11–18

template <typename T>
static void check(const char* input, T expected) {
  T actual;
  uint8_t* f = reinterpret_cast<uint8_t*>(&actual);
  const uint8_t* d = reinterpret_cast<const uint8_t*>(input);
  doubleToFloat(d, f);
  fixEndianness(actual);
  CHECK(actual == expected);
}

TEST_CASE("doubleToFloat()") {
  check("\x40\x09\x21\xCA\xC0\x83\x12\x6F", 3.1415f);