stephenberry/glaze v2.4.5

2.4.5

on GitHub

struct struct_c_arrays
{
   uint16_t ints[2]{1, 2};
   float floats[1]{3.14f};
};

struct struct_c_arrays_meta
{
   uint16_t ints[2]{1, 2};
   float floats[1]{3.14f};
};

template <>
struct glz::meta<struct_c_arrays_meta>
{
   using T = struct_c_arrays_meta;
   static constexpr auto value = object(&T::ints, &T::floats);
};

suite c_style_arrays = [] {
   "uint32_t c array"_test = [] {
      uint32_t arr[4] = {1, 2, 3, 4};
      std::string s{};
      glz::write_json(arr, s);
      expect(s == "[1,2,3,4]") << s;
      std::memset(arr, 0, 4 * sizeof(uint32_t));
      expect(arr[0] == 0);
      expect(!glz::read_json(arr, s));
      expect(arr[0] == 1);
      expect(arr[1] == 2);
      expect(arr[2] == 3);
      expect(arr[3] == 4);
   };

   "const double c array"_test = [] {
      const double arr[4] = {1.1, 2.2, 3.3, 4.4};
      std::string s{};
      glz::write_json(arr, s);
      expect(s == "[1.1,2.2,3.3,4.4]") << s;
   };

   "double c array"_test = [] {
      double arr[4] = {1.1, 2.2, 3.3, 4.4};
      std::string s{};
      glz::write_json(arr, s);
      expect(s == "[1.1,2.2,3.3,4.4]") << s;
      std::memset(arr, 0, 4 * sizeof(double));
      expect(arr[0] == 0.0);
      expect(!glz::read_json(arr, s));
      expect(arr[0] == 1.1);
      expect(arr[1] == 2.2);
      expect(arr[2] == 3.3);
      expect(arr[3] == 4.4);
   };

   "struct_c_arrays"_test = [] {
      struct_c_arrays obj{};
      std::string s{};
      glz::write_json(obj, s);
      expect(s == R"({"ints":[1,2],"floats":[3.14]})") << s;

      obj.ints[0] = 0;
      obj.ints[1] = 1;
      obj.floats[0] = 0.f;
      expect(!glz::read_json(obj, s));
      expect(obj.ints[0] == 1);
      expect(obj.ints[1] == 2);
      expect(obj.floats[0] == 3.14f);
   };

   "struct_c_arrays_meta"_test = [] {
      struct_c_arrays_meta obj{};
      std::string s{};
      glz::write_binary(obj, s);

      obj.ints[0] = 0;
      obj.ints[1] = 1;
      obj.floats[0] = 0.f;
      expect(!glz::read_binary(obj, s));
      expect(obj.ints[0] == 1);
      expect(obj.ints[1] == 2);
      expect(obj.floats[0] == 3.14f);
   };
};