Add CodeEdit breakpoint unit tests

2 files changed, 814 insertions, 0 deletions

diff --git a/tests/test_code_edit.h b/tests/test_code_edit.h
new file mode 100644
index 0000000000..9579d8ebef
--- /dev/null
+++ b/tests/test_code_edit.h
@@ -0,0 +1,813 @@
+/*************************************************************************/
+/*  test_code_edit.h                                                     */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the       */
+/* "Software"), to deal in the Software without restriction, including   */
+/* without limitation the rights to use, copy, modify, merge, publish,   */
+/* distribute, sublicense, and/or sell copies of the Software, and to    */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions:                                             */
+/*                                                                       */
+/* The above copyright notice and this permission notice shall be        */
+/* included in all copies or substantial portions of the Software.       */
+/*                                                                       */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
+/*************************************************************************/
+
+#ifndef TEST_CODE_EDIT_H
+#define TEST_CODE_EDIT_H
+
+#include "core/input/input_map.h"
+#include "core/object/message_queue.h"
+#include "core/os/keyboard.h"
+#include "core/string/string_builder.h"
+#include "scene/gui/code_edit.h"
+#include "scene/resources/default_theme/default_theme.h"
+
+#include "tests/test_macros.h"
+
+namespace TestCodeEdit {
+
+TEST_CASE("[SceneTree][CodeEdit] line gutters") {
+	CodeEdit *code_edit = memnew(CodeEdit);
+	SceneTree::get_singleton()->get_root()->add_child(code_edit);
+
+	SUBCASE("[CodeEdit] breakpoints") {
+		SIGNAL_WATCH(code_edit, "breakpoint_toggled");
+
+		SUBCASE("[CodeEdit] draw breakpoints gutter") {
+			code_edit->set_draw_breakpoints_gutter(false);
+			CHECK_FALSE(code_edit->is_drawing_breakpoints_gutter());
+
+			code_edit->set_draw_breakpoints_gutter(true);
+			CHECK(code_edit->is_drawing_breakpoints_gutter());
+		}
+
+		SUBCASE("[CodeEdit] set line as breakpoint") {
+			/* Out of bounds. */
+			ERR_PRINT_OFF;
+
+			code_edit->set_line_as_breakpoint(-1, true);
+			CHECK_FALSE(code_edit->is_line_breakpointed(-1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			ERR_PRINT_ON;
+
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			CHECK(code_edit->get_breakpointed_lines()[0] == Variant(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->set_line_as_breakpoint(0, false);
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] clear breakpointed lines") {
+			code_edit->clear_breakpointed_lines();
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->clear_breakpointed_lines();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and set text") {
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* breakpoint on lines that still exist are kept. */
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			/* breakpoint on lines that are removed should also be removed. */
+			code_edit->clear_breakpointed_lines();
+			SIGNAL_DISCARD("breakpoint_toggled")
+
+			((Array)args[0])[0] = 1;
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			ERR_PRINT_ON;
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and clear") {
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* breakpoint on lines that still exist are removed. */
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* breakpoint on lines that are removed should also be removed. */
+			code_edit->clear_breakpointed_lines();
+			SIGNAL_DISCARD("breakpoint_toggled")
+
+			((Array)args[0])[0] = 1;
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			ERR_PRINT_ON;
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and new lines no text") {
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			/* No text moves breakpoint. */
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* Normal. */
+			((Array)args[0])[0] = 0;
+			Array arg2;
+			arg2.push_back(1);
+			args.push_back(arg2);
+
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* Non-Breaking. */
+			((Array)args[0])[0] = 1;
+			((Array)args[1])[0] = 2;
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			CHECK(code_edit->is_line_breakpointed(2));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* Above. */
+			((Array)args[0])[0] = 2;
+			((Array)args[1])[0] = 3;
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_breakpointed(2));
+			CHECK(code_edit->is_line_breakpointed(3));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and new lines with text") {
+			Array arg1;
+			arg1.push_back(0);
+			Array args;
+			args.push_back(arg1);
+
+			/* Having text does not move breakpoint. */
+			code_edit->insert_text_at_caret("text");
+			code_edit->set_line_as_breakpoint(0, true);
+			CHECK(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* Normal. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_breakpointed(0));
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			/* Non-Breaking. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK(code_edit->is_line_breakpointed(0));
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			/* Above does move. */
+			((Array)args[0])[0] = 0;
+			Array arg2;
+			arg2.push_back(1);
+			args.push_back(arg2);
+
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and backspace") {
+			Array arg1;
+			arg1.push_back(1);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->set_caret_line(2);
+
+			/* backspace onto line does not remove breakpoint */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			/* backspace on breakpointed line removes it */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			ERR_PRINT_ON;
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and delete") {
+			Array arg1;
+			arg1.push_back(1);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+			code_edit->set_caret_line(1);
+
+			/* Delete onto breakpointed lines does not remove it. */
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+
+			/* Delete moving breakpointed line up removes it. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 1);
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			ERR_PRINT_ON;
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and delete selection") {
+			Array arg1;
+			arg1.push_back(1);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+		}
+
+		SUBCASE("[CodeEdit] breakpoints and undo") {
+			Array arg1;
+			arg1.push_back(1);
+			Array args;
+			args.push_back(arg1);
+
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_breakpoint(1, true);
+			CHECK(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_breakpointed(0));
+			SIGNAL_CHECK("breakpoint_toggled", args);
+
+			/* Undo does not restore breakpoint. */
+			code_edit->undo();
+			CHECK_FALSE(code_edit->is_line_breakpointed(1));
+			SIGNAL_CHECK_FALSE("breakpoint_toggled");
+		}
+
+		SIGNAL_UNWATCH(code_edit, "breakpoint_toggled");
+	}
+
+	SUBCASE("[CodeEdit] bookmarks") {
+		SUBCASE("[CodeEdit] draw bookmarks gutter") {
+			code_edit->set_draw_bookmarks_gutter(false);
+			CHECK_FALSE(code_edit->is_drawing_bookmarks_gutter());
+
+			code_edit->set_draw_bookmarks_gutter(true);
+			CHECK(code_edit->is_drawing_bookmarks_gutter());
+		}
+
+		SUBCASE("[CodeEdit] set line as bookmarks") {
+			/* Out of bounds. */
+			ERR_PRINT_OFF;
+
+			code_edit->set_line_as_bookmarked(-1, true);
+			CHECK_FALSE(code_edit->is_line_bookmarked(-1));
+
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+
+			ERR_PRINT_ON;
+
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->get_bookmarked_lines()[0] == Variant(0));
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			code_edit->set_line_as_bookmarked(0, false);
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+		}
+
+		SUBCASE("[CodeEdit] clear bookmarked lines") {
+			code_edit->clear_bookmarked_lines();
+
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			code_edit->clear_bookmarked_lines();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and set text") {
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			/* bookmarks on lines that still exist are kept. */
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			/* bookmarks on lines that are removed should also be removed. */
+			code_edit->clear_bookmarked_lines();
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and clear") {
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			/* bookmarks on lines that still exist are removed. */
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+
+			/* bookmarks on lines that are removed should also be removed. */
+			code_edit->clear_bookmarked_lines();
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and new lines no text") {
+			/* No text moves bookmarks. */
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			/* Normal. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			/* Non-Breaking. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+			CHECK(code_edit->is_line_bookmarked(2));
+
+			/* Above. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_bookmarked(2));
+			CHECK(code_edit->is_line_bookmarked(3));
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and new lines with text") {
+			/* Having text does not move bookmark. */
+			code_edit->insert_text_at_caret("text");
+			code_edit->set_line_as_bookmarked(0, true);
+			CHECK(code_edit->is_line_bookmarked(0));
+
+			/* Normal. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_bookmarked(0));
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+
+			/* Non-Breaking. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK(code_edit->is_line_bookmarked(0));
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+
+			/* Above does move. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+			CHECK(code_edit->is_line_bookmarked(1));
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and backspace") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			code_edit->set_caret_line(2);
+
+			/* backspace onto line does not remove bookmark */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			/* backspace on bookmarked line removes it */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and delete") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+			code_edit->set_caret_line(1);
+
+			/* Delete onto bookmarked lines does not remove it. */
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			/* Delete moving bookmarked line up removes it. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 1);
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and delete selection") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+		}
+
+		SUBCASE("[CodeEdit] bookmarks and undo") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_bookmarked(1, true);
+			CHECK(code_edit->is_line_bookmarked(1));
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_bookmarked(0));
+
+			/* Undo does not restore bookmark. */
+			code_edit->undo();
+			CHECK_FALSE(code_edit->is_line_bookmarked(1));
+		}
+	}
+
+	SUBCASE("[CodeEdit] executing lines") {
+		SUBCASE("[CodeEdit] draw executing lines gutter") {
+			code_edit->set_draw_executing_lines_gutter(false);
+			CHECK_FALSE(code_edit->is_drawing_executing_lines_gutter());
+
+			code_edit->set_draw_executing_lines_gutter(true);
+			CHECK(code_edit->is_drawing_executing_lines_gutter());
+		}
+
+		SUBCASE("[CodeEdit] set line as executing lines") {
+			/* Out of bounds. */
+			ERR_PRINT_OFF;
+
+			code_edit->set_line_as_executing(-1, true);
+			CHECK_FALSE(code_edit->is_line_executing(-1));
+
+			code_edit->set_line_as_executing(1, true);
+			CHECK_FALSE(code_edit->is_line_executing(1));
+
+			ERR_PRINT_ON;
+
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->get_executing_lines()[0] == Variant(0));
+			CHECK(code_edit->is_line_executing(0));
+
+			code_edit->set_line_as_executing(0, false);
+			CHECK_FALSE(code_edit->is_line_executing(0));
+		}
+
+		SUBCASE("[CodeEdit] clear executing lines lines") {
+			code_edit->clear_executing_lines();
+
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->is_line_executing(0));
+
+			code_edit->clear_executing_lines();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+		}
+
+		SUBCASE("[CodeEdit] executing lines and set text") {
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->is_line_executing(0));
+
+			/* executing on lines that still exist are kept. */
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK(code_edit->is_line_executing(0));
+
+			/* executing on lines that are removed should also be removed. */
+			code_edit->clear_executing_lines();
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+
+			code_edit->set_text("");
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_executing(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] executing lines and clear") {
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->is_line_executing(0));
+
+			/* executing on lines that still exist are removed. */
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+
+			/* executing on lines that are removed should also be removed. */
+			code_edit->clear_executing_lines();
+
+			code_edit->set_text("test\nline");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+
+			code_edit->clear();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_executing(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] executing lines and new lines no text") {
+			/* No text moves executing lines. */
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->is_line_executing(0));
+
+			/* Normal. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK_FALSE(code_edit->is_line_executing(0));
+			CHECK(code_edit->is_line_executing(1));
+
+			/* Non-Breaking. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK_FALSE(code_edit->is_line_executing(1));
+			CHECK(code_edit->is_line_executing(2));
+
+			/* Above. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_executing(2));
+			CHECK(code_edit->is_line_executing(3));
+		}
+
+		SUBCASE("[CodeEdit] executing lines and new lines with text") {
+			/* Having text does not move executing lines. */
+			code_edit->insert_text_at_caret("text");
+			code_edit->set_line_as_executing(0, true);
+			CHECK(code_edit->is_line_executing(0));
+
+			/* Normal. */
+			SEND_GUI_ACTION(code_edit, "ui_text_newline");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_executing(0));
+			CHECK_FALSE(code_edit->is_line_executing(1));
+
+			/* Non-Breaking. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_blank");
+			CHECK(code_edit->get_line_count() == 3);
+			CHECK(code_edit->is_line_executing(0));
+			CHECK_FALSE(code_edit->is_line_executing(1));
+
+			/* Above does move. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_newline_above");
+			CHECK(code_edit->get_line_count() == 4);
+			CHECK_FALSE(code_edit->is_line_executing(0));
+			CHECK(code_edit->is_line_executing(1));
+		}
+
+		SUBCASE("[CodeEdit] executing lines and backspace") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+
+			code_edit->set_caret_line(2);
+
+			/* backspace onto line does not remove executing lines. */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK(code_edit->is_line_executing(1));
+
+			/* backspace on executing line removes it */
+			SEND_GUI_ACTION(code_edit, "ui_text_backspace");
+			CHECK_FALSE(code_edit->is_line_executing(0));
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_executing(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] executing lines and delete") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+			code_edit->set_caret_line(1);
+
+			/* Delete onto executing lines does not remove it. */
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 2);
+			CHECK(code_edit->is_line_executing(1));
+
+			/* Delete moving executing line up removes it. */
+			code_edit->set_caret_line(0);
+			SEND_GUI_ACTION(code_edit, "ui_text_delete");
+			CHECK(code_edit->get_line_count() == 1);
+			ERR_PRINT_OFF;
+			CHECK_FALSE(code_edit->is_line_executing(1));
+			ERR_PRINT_ON;
+		}
+
+		SUBCASE("[CodeEdit] executing lines and delete selection") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+		}
+
+		SUBCASE("[CodeEdit] executing lines and undo") {
+			code_edit->set_text("\n\n");
+			code_edit->set_line_as_executing(1, true);
+			CHECK(code_edit->is_line_executing(1));
+
+			code_edit->select(0, 0, 2, 0);
+			code_edit->delete_selection();
+			MessageQueue::get_singleton()->flush();
+			CHECK_FALSE(code_edit->is_line_executing(0));
+
+			/* Undo does not restore executing lines. */
+			code_edit->undo();
+			CHECK_FALSE(code_edit->is_line_executing(1));
+		}
+	}
+
+	SUBCASE("[CodeEdit] line numbers") {
+		SUBCASE("[CodeEdit] draw line numbers gutter and padding") {
+			code_edit->set_draw_line_numbers(false);
+			CHECK_FALSE(code_edit->is_draw_line_numbers_enabled());
+
+			code_edit->set_draw_line_numbers(true);
+			CHECK(code_edit->is_draw_line_numbers_enabled());
+
+			code_edit->set_line_numbers_zero_padded(false);
+			CHECK_FALSE(code_edit->is_line_numbers_zero_padded());
+
+			code_edit->set_line_numbers_zero_padded(true);
+			CHECK(code_edit->is_line_numbers_zero_padded());
+
+			code_edit->set_line_numbers_zero_padded(false);
+			CHECK_FALSE(code_edit->is_line_numbers_zero_padded());
+
+			code_edit->set_draw_line_numbers(false);
+			CHECK_FALSE(code_edit->is_draw_line_numbers_enabled());
+
+			code_edit->set_line_numbers_zero_padded(true);
+			CHECK(code_edit->is_line_numbers_zero_padded());
+		}
+	}
+
+	SUBCASE("[CodeEdit] line folding") {
+		SUBCASE("[CodeEdit] draw line folding gutter") {
+			code_edit->set_draw_fold_gutter(false);
+			CHECK_FALSE(code_edit->is_drawing_fold_gutter());
+
+			code_edit->set_draw_fold_gutter(true);
+			CHECK(code_edit->is_drawing_fold_gutter());
+		}
+	}
+
+	memdelete(code_edit);
+}
+
+} // namespace TestCodeEdit
+
+#endif // TEST_CODE_EDIT_H
diff --git a/tests/test_main.cpp b/tests/test_main.cpp
index 805380a9aa..e4aa4c38ff 100644
--- a/tests/test_main.cpp
+++ b/tests/test_main.cpp
@@ -37,6 +37,7 @@
 #include "test_astar.h"
 #include "test_basis.h"
 #include "test_class_db.h"
+#include "test_code_edit.h"
 #include "test_color.h"
 #include "test_command_queue.h"
 #include "test_config_file.h"