Glaze smoke test

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/platform/platform_tests/CMakeLists.txt

@@ -7,6 +7,7 @@ set(SRC
   downloader_tests/downloader_test.cpp
   downloader_utils_tests.cpp
   get_text_by_id_tests.cpp
+  glaze_test.cpp
   jansson_test.cpp
   language_test.cpp
   local_country_file_tests.cpp
@@ -24,4 +25,5 @@ target_link_libraries(${PROJECT_NAME}
   platform_tests_support
   platform
   cppjansson
+  glaze::glaze
 )

libs/platform/platform_tests/glaze_test.cpp

@@ -0,0 +1,90 @@
+#include "testing/testing.hpp"
+
+#include "glaze/json.hpp"
+
+#include <optional>
+#include <string>
+
+enum class LocationSource
+{
+  GPS,
+  Network,
+  Unknown
+};
+
+// If enumeration should be represented as string instead of integer in JSON,
+// then enum should be declared in the global namespace.
+template <>
+struct glz::meta<LocationSource>
+{
+  using enum LocationSource;
+  static constexpr auto value = glz::enumerate(GPS, Network, Unknown);
+};
+
+// For our test macros.
+std::string DebugPrint(LocationSource source)
+{
+  return std::string{glz::get_enum_name(source)};
+}
+
+namespace glaze_test
+{
+struct Location
+{
+  LocationSource source;
+  double latitude;
+  double longitude;
+  double accuracy;
+  std::optional<double> altitude;
+  std::optional<double> altitudeAccuracy;
+};
+
+struct AccessToken
+{
+  Location location;
+  std::string accessToken;
+};
+
+UNIT_TEST(Glaze_Smoke)
+{
+  std::string_view constexpr fullJsonWithComments = R"({
+  "location": {
+    "source": "GPS",  // Where the location data comes from.
+    "latitude": 47.3345141,
+    "longitude": 8.5312839,
+    "accuracy": 22,
+    "altitude": 100.5,
+    "altitudeAccuracy": 5.0
+  },
+  /* Access token for authentication
+   * This token is used to access protected resources.
+   */
+  "accessToken": "2:vC65Xv0mxMtsNVf4:hY5YSIkuFfnAU77z"
+})";
+
+  AccessToken token;
+  auto error = glz::read_jsonc(token, fullJsonWithComments);
+  TEST(!error, (glz::format_error(error, fullJsonWithComments)));
+
+  TEST_EQUAL(token.location.source, LocationSource::GPS, ());
+  TEST_EQUAL(token.location.latitude, 47.3345141, ());
+  TEST_EQUAL(token.location.longitude, 8.5312839, ());
+  TEST_EQUAL(token.location.accuracy, 22.0, ());
+  TEST_EQUAL(token.location.altitude, 100.5, ());
+  TEST_EQUAL(token.location.altitudeAccuracy, 5.0, ());
+  TEST_EQUAL(token.accessToken, "2:vC65Xv0mxMtsNVf4:hY5YSIkuFfnAU77z", ());
+
+  std::string_view constexpr partialJson =
+      R"({"location":{"source":"Network","latitude":47.3345141,"longitude":8.5312839,"accuracy":22},"accessToken":""})";
+
+  token.location.source = LocationSource::Network;
+  token.location.altitude = {};
+  token.location.altitudeAccuracy = {};
+  token.accessToken = {};
+
+  std::string buffer;
+  error = glz::write_json(token, buffer);
+  TEST(!error, (glz::format_error(error, "Failed to write JSON")));
+  TEST_EQUAL(buffer, partialJson, ());
+}
+}  // namespace glaze_test