Jip J. Dekker
981be2067e
git-subtree-dir: software/gecode_on_replay git-subtree-split: 8051d92b9c89e49cccfbd1c201371580d7703ab4
140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2009
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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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
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <gecode/kernel.hh>
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#include <gecode/int.hh>
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#include "test/test.hh"
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namespace Test {
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/// %Test for %AFC infrastructure
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class AFC : public Test::Base {
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protected:
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/// Test space
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class TestSpace : public Gecode::Space {
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protected:
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/// Two integer variables
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Gecode::IntVar x, y;
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public:
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/// Constructor for creation
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TestSpace(void) : x(*this,0,10), y(*this,0,10) {}
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/// Constructor for cloning \a s
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TestSpace(TestSpace& s) : Space(s) {
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x.update(*this,s.x);
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y.update(*this,s.y);
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}
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/// Post arbitrary propagator
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void post(void) {
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Gecode::rel(*this, x, Gecode::IRT_LE, y);
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}
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/// Copy during cloning
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virtual Space* copy(void) {
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return new TestSpace(*this);
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}
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};
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/// How many test operations to be performed
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static const int n_ops = 8 * 1024;
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/// How many spaces to maintain
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static const int n = 16;
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/// Return random index of non-null space
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int space(TestSpace* s[]) {
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int i = _rand(n);
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while (s[i] == nullptr)
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i = (i+1) % n;
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return i;
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}
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/// Return random index
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int index(void) {
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return _rand(n);
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}
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public:
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/// Initialize test
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AFC(void) : Test::Base("AFC") {}
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/// Perform actual tests
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bool run(void) {
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// Array of spaces for tests
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TestSpace* s[n];
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// How many spaces exist in s
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int n_s = 1;
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for (int i=n; i--; )
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s[i] = nullptr;
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s[0] = new TestSpace;
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for (int o=n_ops; o--; )
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switch (_rand(3)) {
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case 0:
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// clone space
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{
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int i = index();
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if ((s[i] != nullptr)) {
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if (n_s > 1) {
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delete s[i]; s[i]=nullptr; n_s--;
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} else {
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break;
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}
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}
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int j = space(s);
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(void) s[j]->status();
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s[i] = static_cast<TestSpace*>(s[j]->clone());
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n_s++;
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}
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break;
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case 1:
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// delete space
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if (n_s > 1) {
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int i = space(s);
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delete s[i]; s[i]=nullptr; n_s--;
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}
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break;
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case 2:
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// post propagator
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s[space(s)]->post();
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break;
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default:
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GECODE_NEVER;
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}
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// Delete all remaining spaces
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for (int i=n; i--; )
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delete s[i];
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return true;
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}
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};
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AFC afc;
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}
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// STATISTICS: test-core
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