Can Laguna S 2.1 write working Godot 4 code? 9 of 15 on the first try

How the test works

Laguna S 2.1 in Flockbay

Move a CharacterBody2D with an input action: pass after one fix

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

BENCH FAIL: after 0.5 s holding ui_right x is 0.0, expected about 100

Fall with gravity and land on the floor: pass

extends CharacterBody2D

# Gravity in pixels per second squared
const GRAVITY := 980.0

func _physics_process(delta: float) -> void:
	# Apply gravity when not on the floor
	if not is_on_floor():
		velocity.y += GRAVITY * delta
	else:
		# Stop vertical movement when landed on the floor
		velocity.y = 0.0

	# Move the character and handle collisions
	move_and_slide()

A score label: pass

extends Label

var score: int = 0

func _ready() -> void:
	text = "Score: %d" % score

func add(points: int) -> void:
	score += points
	text = "Score: %d" % score

Save and load a dictionary as JSON: fail

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

SCRIPT ERROR: Parse Error: Cannot call non-static function "parse()" on the class "JSON" directly. Make an instance instead.
   at: GDScript::reload (res://save_game.gd:24)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Parse Error: Cannot get property from enum value.
   at: GDScript::reload (res://save_game.gd:25)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Parse Error: Cannot get property from enum value.
   at: GDScript::reload (res://save_game.gd:26)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Parse Error: Cannot get property from enum value.
   at: GDScript::reload (res://save_game.gd:28)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
ERROR: Failed to load script "res://save_game.gd" with error "Parse error".
   at: load (modules/gdscript/gdscript_resource_format.cpp:46)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Invalid call. Nonexistent function 'save_data' in base 'GDScript'.
   at: _ready (res://bench_check.gd:9)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:9)

Health with signals: pass after one fix

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

SCRIPT ERROR: Parse Error: The variable type is being inferred from a Variant value, so it will be typed as Variant. (Warning treated as error.)
   at: GDScript::reload (res://health.gd:27)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:7)
SCRIPT ERROR: Parse Error: The variable type is being inferred from a Variant value, so it will be typed as Variant. (Warning treated as error.)
   at: GDScript::reload (res://health.gd:38)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:7)
ERROR: Failed to load script "res://health.gd" with error "Parse error".
   at: load (modules/gdscript/gdscript_resource_format.cpp:46)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:7)
SCRIPT ERROR: Invalid access to property or key 'health_changed' on a base object of type 'Node'.
   at: _ready (res://bench_check.gd:14)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:14)

Fade out with a tween: pass

extends Node2D

signal faded

func fade_out(duration: float) -> void:
	var tween := create_tween()
	tween.tween_property(self, "modulate:a", 0.0, duration)
	await tween.finished
	emit_signal("faded")

Spawn on a timer, then stop: pass

extends Node

var spawned_count: int = 0
var timer: Timer

func _ready() -> void:
	timer = Timer.new()
	timer.wait_time = 0.25
	timer.autostart = true
	timer.one_shot = false
	add_child(timer)
	timer.connect("timeout", Callable(self, "_on_timer_timeout"))

func _on_timer_timeout() -> void:
	if spawned_count < 4:
		var child = Node2D.new()
		add_child(child)
		spawned_count += 1
	else:
		timer.stop()

A door with states: pass

# door.gd
# A simple door with states: CLOSED, OPENING, OPEN.

extends Node

# Door states.
const CLOSED := 0
const OPENING := 1
const OPEN := 2

# Initial state.
var state := CLOSED

# Timer handle for delayed opening.
var _open_timer : SceneTreeTimer = null

# Returns the current state as a readable name.
func get_state_name() -> String:
	match state:
		CLOSED:
			return "CLOSED"
		OPENING:
			return "OPENING"
		OPEN:
			return "OPEN"
		_:
			return "UNKNOWN"

# Starts opening the door if it is currently closed.
func interact() -> void:
	if state == CLOSED:
		state = OPENING
		# Wait 0.5 seconds of game time, then open.
		_open_timer = get_tree().create_timer(0.5)
		_open_timer.timeout.connect(_on_open_timeout)

# Called when the open delay finishes.
func _on_open_timeout() -> void:
	state = OPEN
	_open_timer = null

An inventory with counts: pass

# res://inventory.gd
# Inventory manager that tracks item counts by name.

extends RefCounted

## The internal dictionary that maps item names to their counts.
var _items: Dictionary = {}


## Adds [count] of [item_name] to the inventory.
func add_item(item_name: String, count: int) -> void:
	if count <= 0:
		return

	if _items.has(item_name):
		_items[item_name] += count
	else:
		_items[item_name] = count


## Attempts to remove [count] of [item_name] from the inventory.
## Returns true only if the item existed in sufficient quantity
## and was successfully removed.
func remove_item(item_name: String, count: int) -> bool:
	if count <= 0:
		return false

	if not _items.has(item_name):
		return false

	if _items[item_name] < count:
		return false

	_items[item_name] -= count

	# Clean up the entry so it doesn't linger at zero.
	if _items[item_name] <= 0:
		_items.erase(item_name)

	return true


## Returns the current count of [item_name] in the inventory.
## Returns 0 if the item has never been added or has been fully removed.
func get_count(item_name: String) -> int:
	if _items.has(item_name):
		return _items[item_name]

	return 0

Load a level scene from a path: pass

extends Node


func load_level(path: String) -> Node:
    var scene: PackedScene = load(path)
    var instance: Node = scene.instantiate()
    add_child(instance)
    return instance

Paint cells on a TileMapLayer: pass

extends TileMapLayer

func paint_row(y: int, from_x: int, to_x: int) -> void:
	for x in range(from_x, to_x + 1):
		set_cell(Vector2i(x, y), 0, Vector2i(0, 0))

func is_painted(cell: Vector2i) -> bool:
	return get_cell_source_id(cell) != -1

Cast a physics ray: pass

extends Node2D

func first_hit(from: Vector2, to: Vector2) -> Vector2:
	var space_state = get_world_2d().direct_space_state
	var query = PhysicsRayQueryParameters2D.create(from, to)
	var result = space_state.intersect_ray(query)
	if result:
		return result.position
	return to

A path on a grid around walls: pass after one fix

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

SCRIPT ERROR: Parse Error: Invalid argument for "_is_valid_cell()" function: argument 3 should be "Dictionary" but is "Array[Vector2i]".
   at: GDScript::reload (res://path_finder.gd:17)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Parse Error: Invalid argument for "_is_valid_cell()" function: argument 3 should be "Dictionary" but is "Array[Vector2i]".
   at: GDScript::reload (res://path_finder.gd:17)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Parse Error: The variable type is being inferred from a Variant value, so it will be typed as Variant. (Warning treated as error.)
   at: GDScript::reload (res://path_finder.gd:33)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
ERROR: Failed to load script "res://path_finder.gd" with error "Parse error".
   at: load (modules/gdscript/gdscript_resource_format.cpp:46)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Invalid call. Nonexistent function 'new' in base 'GDScript'.
   at: _ready (res://bench_check.gd:9)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:9)

Build and play an animation in code: fail

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

SCRIPT ERROR: Invalid call. Nonexistent function 'track_set_key_count' in base 'Animation'.
   at: _ready (res://blinker.gd:14)
   GDScript backtrace (most recent call first):
       [0] _ready (res://blinker.gd:14)
       [1] _ready (res://bench_check.gd:10)
BENCH FAIL: visible at 0.25, 0.75, 1.25 and 1.75 s was [true, true, true, true], expected [true, false, true, false]

Wait for a signal or a timeout: fail

Godot Engine v4.7.2.stable.mono.official.ed1daf0bf - https://godotengine.org

SCRIPT ERROR: Parse Error: Expected closing ")" after grouping expression.
   at: GDScript::reload (res://waiter.gd:33)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
ERROR: Failed to load script "res://waiter.gd" with error "Parse error".
   at: load (modules/gdscript/gdscript_resource_format.cpp:46)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:4)
SCRIPT ERROR: Invalid call. Nonexistent function 'wait_for' in base 'Node'.
   at: _ready (res://bench_check.gd:13)
   GDScript backtrace (most recent call first):
       [0] _ready (res://bench_check.gd:13)