Replace new_editor with native XCUI shell sandbox

tests/NewEditor/test_sandbox_frame_builder.cpp

@@ -0,0 +1,54 @@
+#include <gtest/gtest.h>
+
+#include "SandboxFrameBuilder.h"
+
+#include <string>
+
+namespace {
+
+bool DrawDataContainsText(
+    const XCEngine::UI::UIDrawData& drawData,
+    const std::string& text) {
+    for (const XCEngine::UI::UIDrawList& drawList : drawData.GetDrawLists()) {
+        for (const XCEngine::UI::UIDrawCommand& command : drawList.GetCommands()) {
+            if (command.type == XCEngine::UI::UIDrawCommandType::Text &&
+                command.text == text) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+} // namespace
+
+TEST(NewEditorSandboxFrameTest, BuildsNativeEditorSandboxPacket) {
+    XCEngine::NewEditor::SandboxFrameOptions options = {};
+    options.width = 1440.0f;
+    options.height = 900.0f;
+    options.timeSeconds = 1.0;
+
+    const XCEngine::UI::UIDrawData drawData =
+        XCEngine::NewEditor::BuildSandboxFrame(options);
+
+    EXPECT_FALSE(drawData.Empty());
+    EXPECT_GT(drawData.GetTotalCommandCount(), 40u);
+    EXPECT_TRUE(DrawDataContainsText(drawData, "XCUI Native Sandbox"));
+    EXPECT_TRUE(DrawDataContainsText(drawData, "Hierarchy"));
+    EXPECT_TRUE(DrawDataContainsText(drawData, "Scene"));
+    EXPECT_TRUE(DrawDataContainsText(drawData, "Inspector"));
+    EXPECT_TRUE(DrawDataContainsText(drawData, "No ImGui Host"));
+}
+
+TEST(NewEditorSandboxFrameTest, ClampsInvalidSizeToSafeFallback) {
+    XCEngine::NewEditor::SandboxFrameOptions options = {};
+    options.width = 0.0f;
+    options.height = -10.0f;
+
+    const XCEngine::UI::UIDrawData drawData =
+        XCEngine::NewEditor::BuildSandboxFrame(options);
+
+    EXPECT_FALSE(drawData.Empty());
+    EXPECT_TRUE(DrawDataContainsText(drawData, "XCUI Native Sandbox"));
+}