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/**************************************************************************/
/* test_resource.h */
/**************************************************************************/
/* This file is part of: */
/* REDOT ENGINE */
/* https://redotengine.org */
/**************************************************************************/
/* Copyright (c) 2024-present Redot Engine contributors */
/* (see REDOT_AUTHORS.md) */
/* 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_RESOURCE_H
#define TEST_RESOURCE_H
#include "core/io/resource.h"
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
#include "core/os/os.h"
#include "thirdparty/doctest/doctest.h"
#include "tests/test_macros.h"
namespace TestResource {
TEST_CASE("[Resource] Duplication") {
Ref<Resource> resource = memnew(Resource);
resource->set_name("Hello world");
Ref<Resource> child_resource = memnew(Resource);
child_resource->set_name("I'm a child resource");
resource->set_meta("other_resource", child_resource);
Ref<Resource> resource_dupe = resource->duplicate();
const Ref<Resource> &resource_dupe_reference = resource_dupe;
resource_dupe->set_name("Changed name");
child_resource->set_name("My name was changed too");
CHECK_MESSAGE(
resource_dupe->get_name() == "Changed name",
"Duplicated resource should have the new name.");
CHECK_MESSAGE(
resource_dupe_reference->get_name() == "Changed name",
"Reference to the duplicated resource should have the new name.");
CHECK_MESSAGE(
resource->get_name() == "Hello world",
"Original resource name should not be affected after editing the duplicate's name.");
CHECK_MESSAGE(
Ref<Resource>(resource_dupe->get_meta("other_resource"))->get_name() == "My name was changed too",
"Duplicated resource should share its child resource with the original.");
}
TEST_CASE("[Resource] Saving and loading") {
Ref<Resource> resource = memnew(Resource);
resource->set_name("Hello world");
resource->set_meta("ExampleMetadata", Vector2i(40, 80));
resource->set_meta("string", "The\nstring\nwith\nunnecessary\nline\n\t\\\nbreaks");
Ref<Resource> child_resource = memnew(Resource);
child_resource->set_name("I'm a child resource");
resource->set_meta("other_resource", child_resource);
const String save_path_binary = TestUtils::get_temp_path("resource.res");
const String save_path_text = TestUtils::get_temp_path("resource.tres");
ResourceSaver::save(resource, save_path_binary);
ResourceSaver::save(resource, save_path_text);
const Ref<Resource> &loaded_resource_binary = ResourceLoader::load(save_path_binary);
CHECK_MESSAGE(
loaded_resource_binary->get_name() == "Hello world",
"The loaded resource name should be equal to the expected value.");
CHECK_MESSAGE(
loaded_resource_binary->get_meta("ExampleMetadata") == Vector2i(40, 80),
"The loaded resource metadata should be equal to the expected value.");
CHECK_MESSAGE(
loaded_resource_binary->get_meta("string") == "The\nstring\nwith\nunnecessary\nline\n\t\\\nbreaks",
"The loaded resource metadata should be equal to the expected value.");
const Ref<Resource> &loaded_child_resource_binary = loaded_resource_binary->get_meta("other_resource");
CHECK_MESSAGE(
loaded_child_resource_binary->get_name() == "I'm a child resource",
"The loaded child resource name should be equal to the expected value.");
const Ref<Resource> &loaded_resource_text = ResourceLoader::load(save_path_text);
CHECK_MESSAGE(
loaded_resource_text->get_name() == "Hello world",
"The loaded resource name should be equal to the expected value.");
CHECK_MESSAGE(
loaded_resource_text->get_meta("ExampleMetadata") == Vector2i(40, 80),
"The loaded resource metadata should be equal to the expected value.");
CHECK_MESSAGE(
loaded_resource_text->get_meta("string") == "The\nstring\nwith\nunnecessary\nline\n\t\\\nbreaks",
"The loaded resource metadata should be equal to the expected value.");
const Ref<Resource> &loaded_child_resource_text = loaded_resource_text->get_meta("other_resource");
CHECK_MESSAGE(
loaded_child_resource_text->get_name() == "I'm a child resource",
"The loaded child resource name should be equal to the expected value.");
}
TEST_CASE("[Resource] Breaking circular references on save") {
Ref<Resource> resource_a = memnew(Resource);
resource_a->set_name("A");
Ref<Resource> resource_b = memnew(Resource);
resource_b->set_name("B");
Ref<Resource> resource_c = memnew(Resource);
resource_c->set_name("C");
resource_a->set_meta("next", resource_b);
resource_b->set_meta("next", resource_c);
resource_c->set_meta("next", resource_b);
const String save_path_binary = TestUtils::get_temp_path("resource.res");
const String save_path_text = TestUtils::get_temp_path("resource.tres");
ResourceSaver::save(resource_a, save_path_binary);
// Suppress expected errors caused by the resources above being uncached.
ERR_PRINT_OFF;
ResourceSaver::save(resource_a, save_path_text);
const Ref<Resource> &loaded_resource_a_binary = ResourceLoader::load(save_path_binary);
ERR_PRINT_ON;
CHECK_MESSAGE(
loaded_resource_a_binary->get_name() == "A",
"The loaded resource name should be equal to the expected value.");
const Ref<Resource> &loaded_resource_b_binary = loaded_resource_a_binary->get_meta("next");
CHECK_MESSAGE(
loaded_resource_b_binary->get_name() == "B",
"The loaded child resource name should be equal to the expected value.");
const Ref<Resource> &loaded_resource_c_binary = loaded_resource_b_binary->get_meta("next");
CHECK_MESSAGE(
loaded_resource_c_binary->get_name() == "C",
"The loaded child resource name should be equal to the expected value.");
CHECK_MESSAGE(
!loaded_resource_c_binary->has_meta("next"),
"The loaded child resource circular reference should be NULL.");
const Ref<Resource> &loaded_resource_a_text = ResourceLoader::load(save_path_text);
CHECK_MESSAGE(
loaded_resource_a_text->get_name() == "A",
"The loaded resource name should be equal to the expected value.");
const Ref<Resource> &loaded_resource_b_text = loaded_resource_a_text->get_meta("next");
CHECK_MESSAGE(
loaded_resource_b_text->get_name() == "B",
"The loaded child resource name should be equal to the expected value.");
const Ref<Resource> &loaded_resource_c_text = loaded_resource_b_text->get_meta("next");
CHECK_MESSAGE(
loaded_resource_c_text->get_name() == "C",
"The loaded child resource name should be equal to the expected value.");
CHECK_MESSAGE(
!loaded_resource_c_text->has_meta("next"),
"The loaded child resource circular reference should be NULL.");
// Break circular reference to avoid memory leak
resource_c->remove_meta("next");
}
} // namespace TestResource
#endif // TEST_RESOURCE_H
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