initial

external/entt/test/lib/locator/plugin/main.cpp

@@ -0,0 +1,31 @@
+#define CR_HOST
+
+#include <gtest/gtest.h>
+#include <cr.h>
+#include <entt/locator/locator.hpp>
+#include "../../../common/boxed_type.h"
+#include "userdata.h"
+
+TEST(Lib, Locator) {
+    entt::locator<test::boxed_int>::emplace().value = 4;
+
+    ASSERT_EQ(entt::locator<test::boxed_int>::value().value, 4);
+
+    userdata ud{entt::locator<test::boxed_int>::handle(), 3};
+
+    cr_plugin ctx;
+    ctx.userdata = &ud;
+
+    cr_plugin_load(ctx, PLUGIN);
+    cr_plugin_update(ctx);
+
+    ASSERT_EQ(entt::locator<test::boxed_int>::value().value, ud.value);
+
+    // service updates do not propagate across boundaries
+    entt::locator<test::boxed_int>::emplace().value = 4;
+    cr_plugin_update(ctx);
+
+    ASSERT_NE(entt::locator<test::boxed_int>::value().value, ud.value);
+
+    cr_plugin_close(ctx);
+}

external/entt/test/lib/locator/plugin/plugin.cpp

@@ -0,0 +1,20 @@
+#include <cr.h>
+#include <entt/locator/locator.hpp>
+#include "../../../common/boxed_type.h"
+#include "userdata.h"
+
+CR_EXPORT int cr_main(cr_plugin *ctx, cr_op operation) {
+    switch(operation) {
+    case CR_LOAD:
+        entt::locator<test::boxed_int>::reset(static_cast<userdata *>(ctx->userdata)->handle);
+        break;
+    case CR_STEP:
+        entt::locator<test::boxed_int>::value().value = static_cast<userdata *>(ctx->userdata)->value;
+        break;
+    case CR_UNLOAD:
+    case CR_CLOSE:
+        break;
+    }
+
+    return 0;
+}

external/entt/test/lib/locator/plugin/userdata.h

@@ -0,0 +1,12 @@
+#ifndef ENTT_LIB_LOCATOR_PLUGIN_USERDATA_H
+#define ENTT_LIB_LOCATOR_PLUGIN_USERDATA_H
+
+#include <entt/locator/locator.hpp>
+#include "../../../common/boxed_type.h"
+
+struct userdata {
+    entt::locator<test::boxed_int>::node_type handle{};
+    int value{};
+};
+
+#endif