TestSuite: amend "drawlist_callbacks"

ocornut · Oct 11, 2024 · 30b158f · 30b158f
1 parent a6b7697
commit 30b158f
Showing 1 changed file with 20 additions and 3 deletions.
diff --git a/imgui_test_suite/imgui_tests_core.cpp b/imgui_test_suite/imgui_tests_core.cpp
@@ -3496,17 +3496,34 @@ void RegisterTests_DrawList(ImGuiTestEngine* e)
         IM_CHECK_EQ(draw_list->CmdBuffer.back().ElemCount, 0u);
         ImGui::Button("Hello");
 
-        ImDrawCallback cb = [](const ImDrawList* parent_list, const ImDrawCmd* cmd)
+        ImDrawCallback cb1 = [](const ImDrawList* parent_list, const ImDrawCmd* cmd)
         {
             ImGuiTestContext* ctx = (ImGuiTestContext*)cmd->UserCallbackData;
             ctx->GenericVars.Int1++;
         };
-        draw_list->AddCallback(cb, (void*)ctx);
+        draw_list->AddCallback(cb1, (void*)ctx);
         IM_CHECK_EQ(draw_list->CmdBuffer.Size, 4);
 
-        draw_list->AddCallback(cb, (void*)ctx);
+        draw_list->AddCallback(cb1, (void*)ctx);
         IM_CHECK_EQ(draw_list->CmdBuffer.Size, 5);
 
+#if IMGUI_VERSION_NUM >= 19133
+        ImDrawCallback cb2 = [](const ImDrawList* parent_list, const ImDrawCmd* cmd)
+        {
+            IM_CHECK_EQ(cmd->UserCallbackData, nullptr);
+        };
+        draw_list->AddCallback(cb2, nullptr, 0);
+
+        ImDrawCallback cb3 = [](const ImDrawList* parent_list, const ImDrawCmd* cmd)
+        {
+            IM_CHECK_EQ(cmd->UserCallbackDataSize, strlen("Hello world") + 1);
+            IM_CHECK_STR_EQ((const char*)cmd->UserCallbackData, "Hello world");
+        };
+        char buf[32] = "Hello world";
+        draw_list->AddCallback(cb3, (void*)buf, strlen(buf) + 1);
+        memset(buf, 0, sizeof(buf)); // This is technically unnecessary but it is to convey that we are deep-copying data.
+#endif
+
         // Test callbacks in columns
         ImGui::Columns(3);
         ImGui::Columns(1);