add test action

@@ -48,6 +48,10 @@ void MainWindow::createActions()
 	resetColorAct = new QAction(tr("Reset colors"), this);
 	resetColorAct->setStatusTip(tr("Reset all node's color"));
 	connect(resetColorAct, &QAction::triggered, this, &MainWindow::reset_color);
+
+	testAct = new QAction(tr("test action"), this);
+	testAct->setStatusTip(tr("test test"));
+	connect(testAct, &QAction::triggered, this, &MainWindow::test);
 }
 
 void MainWindow::createMenus()
@@ -59,6 +63,9 @@ void MainWindow::createMenus()
 	actionMenu->addAction(mightKnowAct);
 	actionMenu->addAction(topkAct);
 	actionMenu->addAction(resetColorAct);
+
+	testMenu = menuBar()->addMenu(tr("&Test"));
+	testMenu->addAction(testAct);
 }
 
 //////////////////////////////////////////////////////////////////
@@ -84,3 +91,8 @@ void MainWindow::reset_color()
 {
 	graphWidget->reset_color();
 }
+
+void MainWindow::test()
+{
+	graphWidget->test();
+}
\ No newline at end of file

@@ -24,6 +24,10 @@ private:
 	QAction *mightKnowAct;
 	QAction *topkAct;
 	QAction *resetColorAct;
+	
+	//test
+	QMenu *testMenu;
+	QAction *testAct;
 
 private:
 	void createActions();
@@ -34,6 +38,8 @@ private slots:
 	void might_know();
 	void topk();
 	void reset_color();
+	//test
+	void test();
 };
 
 #endif // MAINWINDOW_H

@@ -60,6 +60,11 @@ void PaperGraphWidget::reset_color()
 	scene->update();
 }
 
+void PaperGraphWidget::test()
+{
+	//test
+}
+
 void PaperGraphWidget::handleSelectionChanged(int idx)
 {
 	QMessageBox::information(this, "QCombobox", 

@@ -19,6 +19,9 @@ public:
 	void topk();
 	void reset_color();
 
+	//test
+	void test();
+
 private slots:
 	void handleSelectionChanged(int idx);