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/*  test_packed_scene.h                                                   */
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#ifndef TEST_PACKED_SCENE_H
#define TEST_PACKED_SCENE_H

#include "scene/resources/packed_scene.h"

#include "tests/test_macros.h"

namespace TestPackedScene {

TEST_CASE("[PackedScene] Pack Scene and Retrieve State") {
	// Create a scene to pack.
	Node *scene = memnew(Node);
	scene->set_name("TestScene");

	// Pack the scene.
	PackedScene packed_scene;
	const Error err = packed_scene.pack(scene);
	CHECK(err == OK);

	// Retrieve the packed state.
	Ref<SceneState> state = packed_scene.get_state();
	CHECK(state.is_valid());
	CHECK(state->get_node_count() == 1);
	CHECK(state->get_node_name(0) == "TestScene");

	memdelete(scene);
}

TEST_CASE("[PackedScene] Clear Packed Scene") {
	// Create a scene to pack.
	Node *scene = memnew(Node);
	scene->set_name("TestScene");

	// Pack the scene.
	PackedScene packed_scene;
	packed_scene.pack(scene);

	// Clear the packed scene.
	packed_scene.clear();

	// Check if it has been cleared.
	Ref<SceneState> state = packed_scene.get_state();
	CHECK_FALSE(state->get_node_count() == 1);

	memdelete(scene);
}

TEST_CASE("[PackedScene] Can Instantiate Packed Scene") {
	// Create a scene to pack.
	Node *scene = memnew(Node);
	scene->set_name("TestScene");

	// Pack the scene.
	PackedScene packed_scene;
	packed_scene.pack(scene);

	// Check if the packed scene can be instantiated.
	const bool can_instantiate = packed_scene.can_instantiate();
	CHECK(can_instantiate == true);

	memdelete(scene);
}

TEST_CASE("[PackedScene] Instantiate Packed Scene") {
	// Create a scene to pack.
	Node *scene = memnew(Node);
	scene->set_name("TestScene");

	// Pack the scene.
	PackedScene packed_scene;
	packed_scene.pack(scene);

	// Instantiate the packed scene.
	Node *instance = packed_scene.instantiate();
	CHECK(instance != nullptr);
	CHECK(instance->get_name() == "TestScene");

	memdelete(scene);
	memdelete(instance);
}

} // namespace TestPackedScene

#endif // TEST_PACKED_SCENE_H