initial

external/entt/test/lib/view/shared/lib.cpp

@@ -0,0 +1,10 @@
+#include <entt/core/attribute.h>
+#include "../types.h"
+
+ENTT_API const void *filter(const view_type &view) {
+    // forces the creation of all symbols for the view type
+    [[maybe_unused]] const view_type other{};
+
+    // unset filter fallback should not be accessible across boundaries
+    return view.storage<1u>();
+}

external/entt/test/lib/view/shared/main.cpp

@@ -0,0 +1,12 @@
+#include <gtest/gtest.h>
+#include <entt/core/attribute.h>
+#include "../types.h"
+
+ENTT_API const void *filter(const view_type &);
+
+TEST(Lib, View) {
+    view_type view{};
+    const void *storage = filter(view);
+
+    ASSERT_EQ(storage, nullptr);
+}