Add ProjectScene test

Author: adazem009

test/CMakeLists.txt

@@ -24,3 +24,4 @@ add_subdirectory(projectloader)
 add_subdirectory(renderedtarget)
 add_subdirectory(targetpainter)
 add_subdirectory(target_models)
+add_subdirectory(projectscene)

test/projectscene/CMakeLists.txt

@@ -0,0 +1,16 @@
+add_executable(
+  projectscene_test
+  projectscene_test.cpp
+)
+
+target_link_libraries(
+  projectscene_test
+  GTest::gtest_main
+  GTest::gmock_main
+  libscratchcpp-gui
+  scratchcppgui_mocks
+  ${QT_LIBS}
+)
+
+add_test(projectscene_test)
+gtest_discover_tests(projectscene_test)

test/projectscene/projectscene_test.cpp

@@ -0,0 +1,18 @@
+#include <projectscene.h>
+#include <enginemock.h>
+
+#include "../common.h"
+
+using namespace scratchcppgui;
+
+using ::testing::Return;
+
+TEST(ProjectScene, Engine)
+{
+    ProjectScene scene;
+    ASSERT_EQ(scene.engine(), nullptr);
+
+    EngineMock engine;
+    scene.setEngine(&engine);
+    ASSERT_EQ(scene.engine(), &engine);
+}