diff --git a/tests/core/input/test_input_event_mouse.h b/tests/core/input/test_input_event_mouse.h
new file mode 100644
index 00000000000..0da4f141605
--- /dev/null
+++ b/tests/core/input/test_input_event_mouse.h
@@ -0,0 +1,81 @@
+/**************************************************************************/
+/*  test_input_event_mouse.h                                              */
+/**************************************************************************/
+/*                         This file is part of:                          */
+/*                             GODOT ENGINE                               */
+/*                        https://godotengine.org                         */
+/**************************************************************************/
+/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
+/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
+/*                                                                        */
+/* 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_INPUT_EVENT_MOUSE_H
+#define TEST_INPUT_EVENT_MOUSE_H
+
+#include "core/input/input_event.h"
+#include "tests/test_macros.h"
+
+namespace TestInputEventMouse {
+
+TEST_CASE("[InputEventMouse] Mouse button mask is set correctly") {
+	InputEventMouse mousekey;
+
+	mousekey.set_button_mask(MouseButtonMask::LEFT);
+	CHECK(mousekey.get_button_mask().has_flag(MouseButtonMask::LEFT));
+
+	mousekey.set_button_mask(MouseButtonMask::MB_XBUTTON1);
+	CHECK(mousekey.get_button_mask().has_flag(MouseButtonMask::MB_XBUTTON1));
+
+	mousekey.set_button_mask(MouseButtonMask::MB_XBUTTON2);
+	CHECK(mousekey.get_button_mask().has_flag(MouseButtonMask::MB_XBUTTON2));
+
+	mousekey.set_button_mask(MouseButtonMask::MIDDLE);
+	CHECK(mousekey.get_button_mask().has_flag(MouseButtonMask::MIDDLE));
+
+	mousekey.set_button_mask(MouseButtonMask::RIGHT);
+	CHECK(mousekey.get_button_mask().has_flag(MouseButtonMask::RIGHT));
+}
+
+TEST_CASE("[InputEventMouse] Setting the mouse position works correctly") {
+	InputEventMouse mousekey;
+
+	mousekey.set_position(Vector2{ 10, 10 });
+	CHECK(mousekey.get_position() == Vector2{ 10, 10 });
+
+	mousekey.set_position(Vector2{ -1, -1 });
+	CHECK(mousekey.get_position() == Vector2{ -1, -1 });
+}
+
+TEST_CASE("[InputEventMouse] Setting the global mouse position works correctly") {
+	InputEventMouse mousekey;
+
+	mousekey.set_global_position(Vector2{ 10, 10 });
+	CHECK(mousekey.get_global_position() == Vector2{ 10, 10 });
+	CHECK(mousekey.get_global_position() != Vector2{ 1, 1 });
+
+	mousekey.set_global_position(Vector2{ -1, -1 });
+	CHECK(mousekey.get_global_position() == Vector2{ -1, -1 });
+	CHECK(mousekey.get_global_position() != Vector2{ 1, 1 });
+}
+} // namespace TestInputEventMouse
+
+#endif // TEST_INPUT_EVENT_MOUSE_H
diff --git a/tests/test_main.cpp b/tests/test_main.cpp
index 8c563f94ac5..c7f2d4cbfb7 100644
--- a/tests/test_main.cpp
+++ b/tests/test_main.cpp
@@ -32,6 +32,7 @@
 
 #include "tests/core/config/test_project_settings.h"
 #include "tests/core/input/test_input_event_key.h"
+#include "tests/core/input/test_input_event_mouse.h"
 #include "tests/core/input/test_shortcut.h"
 #include "tests/core/io/test_config_file.h"
 #include "tests/core/io/test_file_access.h"