Initial Video, Render, and Properties implementations.

Co-authored-by: Copilot <copilot@github.com>

test/Properties_test.cpp

@@ -0,0 +1,95 @@
+#include <doctest/doctest.h>
+
+#include <SDL3/SDL.h>
+
+#include <hdk/sdl/Properties.hpp>
+
+#include <string>
+#include <vector>
+
+#include "SDL_headless_fixture.hpp"
+
+namespace {
+struct CleanupState {
+	int calls = 0;
+};
+
+void SDLCALL CleanupPointerProperty(void* userdata, void* value) {
+	auto* state = static_cast<CleanupState*>(userdata);
+	if (state) {
+		++state->calls;
+	}
+	delete static_cast<int*>(value);
+}
+
+void SDLCALL CollectPropertyNames(void* userdata, SDL_PropertiesID, const char* name) {
+	auto* names = static_cast<std::vector<std::string>*>(userdata);
+	if (names && name) {
+		names->emplace_back(name);
+	}
+}
+}  // namespace
+
+TEST_CASE("Properties bindings are exercised") {
+	SDLSession sdl;
+	if (!sdl.IsInitialized()) {
+		INFO(SDL_GetError());
+		CHECK(false);
+		return;
+	}
+
+	auto props = hdk::sdl::Properties::Create();
+	auto second = hdk::sdl::Properties::Create();
+
+	REQUIRE(static_cast<SDL_PropertiesID>(props) != 0);
+	REQUIRE(static_cast<SDL_PropertiesID>(second) != 0);
+
+	CHECK(props.SetBooleanProperty("hdk.bool", true));
+	CHECK(props.GetBooleanProperty("hdk.bool", false));
+
+	CHECK(props.SetFloatProperty("hdk.float", 1.5f));
+	CHECK(props.GetFloatProperty("hdk.float", 0.0f) == doctest::Approx(1.5f));
+
+	CHECK(props.SetNumberProperty("hdk.number", 44));
+	CHECK(props.GetNumberProperty("hdk.number", 0) == 44);
+
+	int pointerValue = 77;
+	CHECK(props.SetPointerProperty("hdk.pointer", &pointerValue));
+	CHECK(props.GetPointerProperty("hdk.pointer", nullptr) == &pointerValue);
+
+	CHECK(props.SetStringProperty("hdk.string", "value"));
+	CHECK(std::string(props.GetStringProperty("hdk.string", "missing")) == "value");
+
+	CHECK(props.HasProperty("hdk.string"));
+	CHECK(props.GetPropertyType("hdk.string") == SDL_PROPERTY_TYPE_STRING);
+
+	CleanupState cleanupState;
+	CHECK(props.SetPointerPropertyWithCleanup("hdk.cleanup", new int(9), CleanupPointerProperty, &cleanupState));
+	CHECK(props.GetPropertyType("hdk.cleanup") == SDL_PROPERTY_TYPE_POINTER);
+
+	CHECK(props.CopyAllTo(second));
+	CHECK(std::string(second.GetStringProperty("hdk.string", "missing")) == "value");
+
+	CHECK(second.ClearProperty("hdk.string"));
+	CHECK_FALSE(second.HasProperty("hdk.string"));
+
+	CHECK(second.CopyAllFrom(props));
+	CHECK(second.HasProperty("hdk.string"));
+
+	std::vector<std::string> names;
+	CHECK(props.EnumerateProperties(CollectPropertyNames, &names));
+	CHECK_FALSE(names.empty());
+
+	CHECK(props.LockProperties());
+	props.UnlockProperties();
+
+	auto global = hdk::sdl::Properties::GetGlobalProperties();
+	CHECK(static_cast<SDL_PropertiesID>(global) != 0);
+
+	CHECK(props.ClearProperty("hdk.cleanup"));
+	CHECK(cleanupState.calls >= 1);
+
+	props.Destroy();
+	CHECK(static_cast<SDL_PropertiesID>(props) == 0);
+	second.Destroy();
+}