Properly implement NotificationModule_SetDefaultValue typechecks for C and C++

tests/parameter_checker/src_c/main.c

@@ -0,0 +1,54 @@
+#include <coreinit/thread.h>
+#include <notifications/notifications.h>
+
+// Dummy callback for C
+void my_c_callback(NotificationModuleHandle h, void* ctx) {
+    (void)h;
+    (void)ctx;
+}
+
+int main(int argc, char **argv) {
+    (void)argc;
+    (void)argv;
+
+    NotificationModule_InitLibrary();
+
+    // Setup variables
+    NMColor color = {255, 0, 0, 255};
+    float duration = 3.0f;
+    int ctx_data = 100;
+
+    // Test 1: Background Color
+    // C11+ uses _Generic to check types here.
+    NotificationModule_SetDefaultValue(
+        NOTIFICATION_MODULE_NOTIFICATION_TYPE_INFO,
+        NOTIFICATION_MODULE_DEFAULT_OPTION_BACKGROUND_COLOR,
+        color
+    );
+
+    // Test 2: Duration
+    NotificationModule_SetDefaultValue(
+        NOTIFICATION_MODULE_NOTIFICATION_TYPE_INFO,
+        NOTIFICATION_MODULE_DEFAULT_OPTION_DURATION_BEFORE_FADE_OUT,
+        duration
+    );
+
+    // Test 3: Callback
+    NotificationModule_SetDefaultValue(
+        NOTIFICATION_MODULE_NOTIFICATION_TYPE_INFO,
+        NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION,
+        my_c_callback
+    );
+
+    // Test 4: Context
+    NotificationModule_SetDefaultValue(
+        NOTIFICATION_MODULE_NOTIFICATION_TYPE_INFO,
+        NOTIFICATION_MODULE_DEFAULT_OPTION_FINISH_FUNCTION_CONTEXT,
+        (void*) &ctx_data
+    );
+
+    NotificationModule_AddInfoNotification("C Compatibility Test");
+
+    NotificationModule_DeInitLibrary();
+    return 0;
+}