diff --git a/imgui_internal.h b/imgui_internal.h
index 8a561e512..fbf3e1cc8 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -1034,6 +1034,8 @@ struct ImGuiContext
     bool                    WithinFrameScope;                   // Set by NewFrame(), cleared by EndFrame()
     bool                    WithinFrameScopeWithImplicitWindow; // Set by NewFrame(), cleared by EndFrame() when the implicit debug window has been pushed
     bool                    WithinEndChild;                     // Set within EndChild()
+    bool                    TestEngineHookItems;                // Will call test engine hooks ImGuiTestEngineHook_ItemAdd(), ImGuiTestEngineHook_ItemInfo(), ImGuiTestEngineHook_Log()
+    void*                   TestEngine;                         // Test engine user data
 
     // Windows state
     ImVector<ImGuiWindow*>  Windows;                            // Windows, sorted in display order, back to front
@@ -1233,14 +1235,16 @@ struct ImGuiContext
     ImGuiContext(ImFontAtlas* shared_font_atlas) : BackgroundDrawList(&DrawListSharedData), ForegroundDrawList(&DrawListSharedData)
     {
         Initialized = false;
+        FontAtlasOwnedByContext = shared_font_atlas ? false : true;
         Font = NULL;
         FontSize = FontBaseSize = 0.0f;
-        FontAtlasOwnedByContext = shared_font_atlas ? false : true;
         IO.Fonts = shared_font_atlas ? shared_font_atlas : IM_NEW(ImFontAtlas)();
         Time = 0.0f;
         FrameCount = 0;
         FrameCountEnded = FrameCountRendered = -1;
         WithinFrameScope = WithinFrameScopeWithImplicitWindow = WithinEndChild = false;
+        TestEngineHookItems = false;
+        TestEngine = NULL;
 
         WindowsActiveCount = 0;
         CurrentWindow = NULL;
@@ -1938,13 +1942,13 @@ extern void                 ImGuiTestEngineHook_PostNewFrame(ImGuiContext* ctx);
 extern void                 ImGuiTestEngineHook_ItemAdd(ImGuiContext* ctx, const ImRect& bb, ImGuiID id);
 extern void                 ImGuiTestEngineHook_ItemInfo(ImGuiContext* ctx, ImGuiID id, const char* label, ImGuiItemStatusFlags flags);
 extern void                 ImGuiTestEngineHook_Log(ImGuiContext* ctx, const char* fmt, ...);
-#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID)                ImGuiTestEngineHook_ItemAdd(&g, _BB, _ID)               // Register item bounding box
-#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS)    ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS)   // Register item label and status flags (optional)
-#define IMGUI_TEST_ENGINE_LOG(_FMT, ...)                    ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__)          // Custom log entry from user land into test log
+#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB,_ID)                 if (g.TestEngineHookItems) ImGuiTestEngineHook_ItemAdd(&g, _BB, _ID)               // Register item bounding box
+#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS)      if (g.TestEngineHookItems) ImGuiTestEngineHook_ItemInfo(&g, _ID, _LABEL, _FLAGS)   // Register item label and status flags (optional)
+#define IMGUI_TEST_ENGINE_LOG(_FMT,...)                     if (g.TestEngineHookItems) ImGuiTestEngineHook_Log(&g, _FMT, __VA_ARGS__)          // Custom log entry from user land into test log
 #else
-#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB, _ID)                do { } while (0)
-#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID, _LABEL, _FLAGS)    do { } while (0)
-#define IMGUI_TEST_ENGINE_LOG(_FMT, ...)                    do { } while (0)
+#define IMGUI_TEST_ENGINE_ITEM_ADD(_BB,_ID)                 do { } while (0)
+#define IMGUI_TEST_ENGINE_ITEM_INFO(_ID,_LABEL,_FLAGS)      do { } while (0)
+#define IMGUI_TEST_ENGINE_LOG(_FMT,...)                     do { } while (0)
 #endif
 
 #if defined(__clang__)
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index 124e0122b..5a3fa4c3a 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -486,7 +486,7 @@ bool ImGui::ButtonBehavior(const ImRect& bb, ImGuiID id, bool* out_hovered, bool
 
 #ifdef IMGUI_ENABLE_TEST_ENGINE
     if (id != 0 && window->DC.LastItemId != id)
-        ImGuiTestEngineHook_ItemAdd(&g, bb, id);
+        IMGUI_TEST_ENGINE_ITEM_ADD(bb, id);
 #endif
 
     bool pressed = false;
@@ -1134,6 +1134,7 @@ bool ImGui::RadioButton(const char* label, bool active)
     if (label_size.x > 0.0f)
         RenderText(ImVec2(check_bb.Max.x + style.ItemInnerSpacing.x, check_bb.Min.y + style.FramePadding.y), label);
 
+    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.ItemFlags);
     return pressed;
 }
 
@@ -7030,6 +7031,7 @@ bool    ImGui::TabItemEx(ImGuiTabBar* tab_bar, const char* label, bool* p_open,
     const ImGuiID id = TabBarCalcTabID(tab_bar, label);
 
     // If the user called us with *p_open == false, we early out and don't render. We make a dummy call to ItemAdd() so that attempts to use a contextual popup menu with an implicit ID won't use an older ID.
+    IMGUI_TEST_ENGINE_ITEM_INFO(id, label, window->DC.LastItemStatusFlags);
     if (p_open && !*p_open)
     {
         PushItemFlag(ImGuiItemFlags_NoNav | ImGuiItemFlags_NoNavDefaultFocus, true);