40562a67c8
A* now exits when next node from open set with least cost happens to be end_point, not when node with least cost has end_point as a neigbour. Added two tests for astar: * ABC tests case where start and end node are neigbours * ABCX tests case with intermediate nodes
117 lines
3.7 KiB
C++
117 lines
3.7 KiB
C++
/*************************************************************************/
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/* test_astar.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "a_star.h"
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#include "os/os.h"
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#include <stdio.h>
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#include "test_astar.h"
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namespace TestAStar {
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class ABCX : public AStar {
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public:
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enum { A,
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B,
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C,
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X };
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ABCX() {
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add_point(A, Vector3(0, 0, 0));
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add_point(B, Vector3(1, 0, 0));
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add_point(C, Vector3(0, 1, 0));
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add_point(X, Vector3(0, 0, 1));
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connect_points(A, B);
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connect_points(A, C);
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connect_points(B, C);
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connect_points(X, A);
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}
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// Disable heuristic completely
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float _compute_cost(int p_from, int p_to) {
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if (p_from == A && p_to == C) {
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return 1000;
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}
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return 100;
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}
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};
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bool test_abc() {
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ABCX abcx;
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PoolVector<int> path = abcx.get_id_path(ABCX::A, ABCX::C);
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bool ok = path.size() == 3;
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int i = 0;
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ok = ok && path[i++] == ABCX::A;
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ok = ok && path[i++] == ABCX::B;
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ok = ok && path[i++] == ABCX::C;
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return ok;
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}
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bool test_abcx() {
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ABCX abcx;
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PoolVector<int> path = abcx.get_id_path(ABCX::X, ABCX::C);
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bool ok = path.size() == 4;
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int i = 0;
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ok = ok && path[i++] == ABCX::X;
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ok = ok && path[i++] == ABCX::A;
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ok = ok && path[i++] == ABCX::B;
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ok = ok && path[i++] == ABCX::C;
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return ok;
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}
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typedef bool (*TestFunc)(void);
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TestFunc test_funcs[] = {
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test_abc,
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test_abcx,
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NULL
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};
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MainLoop *test() {
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int count = 0;
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int passed = 0;
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while (true) {
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if (!test_funcs[count])
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break;
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bool pass = test_funcs[count]();
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if (pass)
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passed++;
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OS::get_singleton()->print("\t%s\n", pass ? "PASS" : "FAILED");
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count++;
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}
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OS::get_singleton()->print("\n");
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OS::get_singleton()->print("Passed %i of %i tests\n", passed, count);
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return NULL;
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}
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} // namespace TestAStar
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