godot/tests/core/templates/test_lru.h
2021-11-07 00:43:31 -06:00

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/*************************************************************************/
/* test_lru.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 */
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/*************************************************************************/
#ifndef TEST_LRU_H
#define TEST_LRU_H
#include "core/templates/lru.h"
#include "tests/test_macros.h"
namespace TestLRU {
TEST_CASE("[LRU] Store and read") {
LRUCache<int, int> lru;
lru.set_capacity(3);
lru.insert(1, 1);
lru.insert(50, 2);
lru.insert(100, 5);
CHECK(lru.has(1));
CHECK(lru.has(50));
CHECK(lru.has(100));
CHECK(!lru.has(200));
CHECK(lru.get(1) == 1);
CHECK(lru.get(50) == 2);
CHECK(lru.get(100) == 5);
CHECK(lru.getptr(1) != nullptr);
CHECK(lru.getptr(1000) == nullptr);
lru.insert(600, 600); // Erase <50>
CHECK(lru.has(600));
CHECK(!lru.has(50));
}
TEST_CASE("[LRU] Resize and clear") {
LRUCache<int, int> lru;
lru.set_capacity(3);
lru.insert(1, 1);
lru.insert(2, 2);
lru.insert(3, 3);
CHECK(lru.get_capacity() == 3);
lru.set_capacity(5);
CHECK(lru.get_capacity() == 5);
CHECK(lru.has(1));
CHECK(lru.has(2));
CHECK(lru.has(3));
CHECK(!lru.has(4));
lru.set_capacity(2);
CHECK(lru.get_capacity() == 2);
CHECK(!lru.has(1));
CHECK(lru.has(2));
CHECK(lru.has(3));
CHECK(!lru.has(4));
lru.clear();
CHECK(!lru.has(1));
CHECK(!lru.has(2));
CHECK(!lru.has(3));
CHECK(!lru.has(4));
}
} // namespace TestLRU
#endif // TEST_LRU_H