diff --git a/test/demo/main.gd b/test/demo/main.gd
index 7c141cf..302e1be 100644
--- a/test/demo/main.gd
+++ b/test/demo/main.gd
@@ -96,6 +96,13 @@ func _ready():
 	assert_equal($Example.test_bitfield(0), 0)
 	assert_equal($Example.test_bitfield(Example.FLAG_ONE | Example.FLAG_TWO), 3)
 
+	# Virtual method.
+	var event = InputEventKey.new()
+	event.key_label = KEY_H
+	event.unicode = 72
+	get_viewport().push_input(event)
+	assert_equal(custom_signal_emitted, ["_input: H", 72])
+
 	exit_with_status()
 
 func _on_Example_custom_signal(signal_name, value):
diff --git a/test/src/example.cpp b/test/src/example.cpp
index 6d24379..93d00f5 100644
--- a/test/src/example.cpp
+++ b/test/src/example.cpp
@@ -348,3 +348,10 @@ bool Example::_has_point(const Vector2 &point) const {
 
 	return false;
 }
+
+void Example::_input(const Ref<InputEvent> &event) {
+	const InputEventKey* key_event = Object::cast_to<const InputEventKey>(*event);
+	if (key_event) {
+		emit_custom_signal("_input: " + key_event->get_key_label(), key_event->get_unicode());
+	}
+}
diff --git a/test/src/example.h b/test/src/example.h
index ebf9156..8c8b250 100644
--- a/test/src/example.h
+++ b/test/src/example.h
@@ -17,6 +17,7 @@
 #include <godot_cpp/classes/control.hpp>
 #include <godot_cpp/classes/global_constants.hpp>
 #include <godot_cpp/classes/image.hpp>
+#include <godot_cpp/classes/input_event_key.hpp>
 #include <godot_cpp/classes/viewport.hpp>
 
 #include <godot_cpp/core/binder_common.hpp>
@@ -129,6 +130,7 @@ public:
 
 	// Virtual function override (no need to bind manually).
 	virtual bool _has_point(const Vector2 &point) const override;
+	virtual void _input(const Ref<InputEvent> &event) override;
 };
 
 VARIANT_ENUM_CAST(Example::Constants);