Replace String comparisons with "", String() to is_empty()

Also:
- Adds two stress tests to test_string.h
- Changes to .empty() on std::strings

2 files changed, 17 insertions, 17 deletions

diff --git a/modules/visual_script/editor/visual_script_editor.cpp b/modules/visual_script/editor/visual_script_editor.cpp
index 75a1980ede..9deea79ea6 100644
--- a/modules/visual_script/editor/visual_script_editor.cpp
+++ b/modules/visual_script/editor/visual_script_editor.cpp
@@ -1328,7 +1328,7 @@ void VisualScriptEditor::_create_function_dialog() {
 }
 
 void VisualScriptEditor::_create_function() {
-	String name = _validate_name((func_name_box->get_text() == "") ? "new_func" : func_name_box->get_text());
+	String name = _validate_name((func_name_box->get_text().is_empty()) ? "new_func" : func_name_box->get_text());
 	selected = name;
 	Vector2 pos = _get_available_pos();
 
@@ -2094,7 +2094,7 @@ Variant VisualScriptEditor::get_drag_data_fw(const Point2 &p_point, Control *p_f
 
 		String type = it->get_metadata(0);
 
-		if (type == String()) {
+		if (type.is_empty()) {
 			return Variant();
 		}
 
@@ -2622,7 +2622,7 @@ String VisualScriptEditor::get_name() {
 		name = TTR("[unsaved]");
 	} else if (script->is_built_in()) {
 		const String &script_name = script->get_name();
-		if (script_name != "") {
+		if (!script_name.is_empty()) {
 			// If the built-in script has a custom resource name defined,
 			// display the built-in script name as follows: `ResourceName (scene_file.tscn)`
 			name = vformat("%s (%s)", script_name, name.get_slice("::", 0));
@@ -2842,7 +2842,7 @@ void VisualScriptEditor::clear_edit_menu() {
 void VisualScriptEditor::_change_base_type_callback() {
 	String bt = select_base_type->get_selected_type();
 
-	ERR_FAIL_COND(bt == String());
+	ERR_FAIL_COND(bt.is_empty());
 	undo_redo->create_action(TTR("Change Base Type"));
 	undo_redo->add_do_method(script.ptr(), "set_instance_base_type", bt);
 	undo_redo->add_undo_method(script.ptr(), "set_instance_base_type", script->get_instance_base_type());
@@ -3213,7 +3213,7 @@ void VisualScriptEditor::_port_action_menu(int p_option) {
 			if (tg.type == Variant::OBJECT) {
 				if (tg.script.is_valid()) {
 					new_connect_node_select->select_from_script(tg.script, "");
-				} else if (type_string != String()) {
+				} else if (!type_string.is_empty()) {
 					new_connect_node_select->select_from_base_type(type_string);
 				} else {
 					new_connect_node_select->select_from_base_type(n->get_base_type());
@@ -3237,7 +3237,7 @@ void VisualScriptEditor::_port_action_menu(int p_option) {
 				property_info = script->get_node(port_action_node)->get_output_value_port_info(port_action_output);
 			}
 			if (tg.type == Variant::OBJECT) {
-				if (property_info.type == Variant::OBJECT && property_info.hint_string != String()) {
+				if (property_info.type == Variant::OBJECT && !property_info.hint_string.is_empty()) {
 					new_connect_node_select->select_from_action(property_info.hint_string);
 				} else {
 					new_connect_node_select->select_from_action("");
@@ -3462,7 +3462,7 @@ void VisualScriptEditor::_selected_connect_node(const String &p_text, const Stri
 					PropertyHint hint = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint;
 					String base_type = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint_string;
 
-					if (base_type != String() && hint == PROPERTY_HINT_TYPE_STRING) {
+					if (!base_type.is_empty() && hint == PROPERTY_HINT_TYPE_STRING) {
 						vsfc->set_base_type(base_type);
 					}
 					if (p_text == "call" || p_text == "call_deferred") {
@@ -3497,7 +3497,7 @@ void VisualScriptEditor::_selected_connect_node(const String &p_text, const Stri
 					PropertyHint hint = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint;
 					String base_type = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint_string;
 
-					if (base_type != String() && hint == PROPERTY_HINT_TYPE_STRING) {
+					if (!base_type.is_empty() && hint == PROPERTY_HINT_TYPE_STRING) {
 						vsp->set_base_type(base_type);
 					}
 				}
@@ -3526,7 +3526,7 @@ void VisualScriptEditor::_selected_connect_node(const String &p_text, const Stri
 				} else if (script->get_node(port_action_node).is_valid()) {
 					PropertyHint hint = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint;
 					String base_type = script->get_node(port_action_node)->get_output_value_port_info(port_action_output).hint_string;
-					if (base_type != String() && hint == PROPERTY_HINT_TYPE_STRING) {
+					if (!base_type.is_empty() && hint == PROPERTY_HINT_TYPE_STRING) {
 						vsp->set_base_type(base_type);
 					}
 				}
diff --git a/modules/visual_script/editor/visual_script_property_selector.cpp b/modules/visual_script/editor/visual_script_property_selector.cpp
index 02307b712c..9fa35d4453 100644
--- a/modules/visual_script/editor/visual_script_property_selector.cpp
+++ b/modules/visual_script/editor/visual_script_property_selector.cpp
@@ -175,7 +175,7 @@ void VisualScriptPropertySelector::_update_search() {
 				String set_text = set_text_raw.capitalize();
 				String input = search_box->get_text().capitalize();
 
-				if (input == String() || get_text_raw.findn(input) != -1 || get_text.findn(input) != -1) {
+				if (input.is_empty() || get_text_raw.findn(input) != -1 || get_text.findn(input) != -1) {
 					TreeItem *item = search_options->create_item(category ? category : root);
 					item->set_text(0, get_text);
 					item->set_metadata(0, F.name);
@@ -188,7 +188,7 @@ void VisualScriptPropertySelector::_update_search() {
 					item->set_metadata(2, connecting);
 				}
 
-				if (input == String() || set_text_raw.findn(input) != -1 || set_text.findn(input) != -1) {
+				if (input.is_empty() || set_text_raw.findn(input) != -1 || set_text.findn(input) != -1) {
 					TreeItem *item = search_options->create_item(category ? category : root);
 					item->set_text(0, set_text);
 					item->set_metadata(0, F.name);
@@ -252,7 +252,7 @@ void VisualScriptPropertySelector::_update_search() {
 			String desc_raw = mi.name + desc_arguments;
 			String desc = desc_raw.capitalize().replace("( ", "(");
 
-			if (search_box->get_text() != String() &&
+			if (!search_box->get_text().is_empty() &&
 					name.findn(search_box->get_text()) == -1 &&
 					desc.findn(search_box->get_text()) == -1 &&
 					desc_raw.findn(search_box->get_text()) == -1) {
@@ -322,7 +322,7 @@ void VisualScriptPropertySelector::_update_search() {
 }
 
 void VisualScriptPropertySelector::create_visualscript_item(const String &name, TreeItem *const root, const String &search_input, const String &text) {
-	if (search_input == String() || text.findn(search_input) != -1) {
+	if (search_input.is_empty() || text.findn(search_input) != -1) {
 		TreeItem *item = search_options->create_item(root);
 		item->set_text(0, text);
 		item->set_icon(0, vbc->get_theme_icon(SNAME("VisualScript"), SNAME("EditorIcons")));
@@ -352,7 +352,7 @@ void VisualScriptPropertySelector::get_visual_node_names(const String &root_filt
 		bool in_filter = false;
 		Vector<String> tx_filters = search_box->get_text().split(" ");
 		for (int i = 0; i < tx_filters.size(); i++) {
-			if (tx_filters[i] == "") {
+			if (tx_filters[i].is_empty()) {
 				in_filter = true;
 			} else {
 				in_filter = false;
@@ -451,7 +451,7 @@ void VisualScriptPropertySelector::_item_selected() {
 
 	String at_class = class_type;
 
-	while (at_class != String()) {
+	while (!at_class.is_empty()) {
 		Map<String, DocData::ClassDoc>::Element *E = dd->class_list.find(at_class);
 		if (E) {
 			for (int i = 0; i < E->get().properties.size(); i++) {
@@ -465,7 +465,7 @@ void VisualScriptPropertySelector::_item_selected() {
 	}
 	at_class = class_type;
 
-	while (at_class != String()) {
+	while (!at_class.is_empty()) {
 		Map<String, DocData::ClassDoc>::Element *C = dd->class_list.find(at_class);
 		if (C) {
 			for (int i = 0; i < C->get().methods.size(); i++) {
@@ -521,7 +521,7 @@ void VisualScriptPropertySelector::_item_selected() {
 
 	memdelete(names);
 
-	if (text == String()) {
+	if (text.is_empty()) {
 		return;
 	}