/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package org.evosuite.symbolic.expr.bv;
import java.util.HashSet;
import java.util.Set;
import org.evosuite.Properties;
import org.evosuite.symbolic.ConstraintTooLongException;
import org.evosuite.symbolic.DSEStats;
import org.evosuite.symbolic.expr.AbstractExpression;
import org.evosuite.symbolic.expr.Expression;
import org.evosuite.symbolic.expr.ExpressionVisitor;
import org.evosuite.symbolic.expr.Variable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class IntegerComparison extends AbstractExpression<Long> implements
IntegerValue {
private static final long serialVersionUID = 8551234172104612736L;
/**
* <p>
* Constructor for IntegerComparison.
* </p>
*
* @param left
* a {@link org.evosuite.symbolic.expr.Expression} object.
* @param right
* a {@link org.evosuite.symbolic.expr.Expression} object.
* @param con
* a {@link java.lang.Long} object.
*/
public IntegerComparison(Expression<Long> left, Expression<Long> right, Long con) {
super(con, 1 + left.getSize() + right.getSize(), left.containsSymbolicVariable()
|| right.containsSymbolicVariable());
this.left = left;
this.right = right;
if (getSize() > Properties.DSE_CONSTRAINT_LENGTH) {
DSEStats.getInstance().reportConstraintTooLong(getSize());
throw new ConstraintTooLongException(getSize());
}
}
private final Expression<Long> left;
private final Expression<Long> right;
protected static final Logger log = LoggerFactory.getLogger(IntegerComparison.class);
/** {@inheritDoc} */
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof IntegerComparison) {
IntegerComparison other = (IntegerComparison) obj;
return this.left.equals(other.left) && this.right.equals(other.right);
}
return false;
}
@Override
public int hashCode() {
return this.left.hashCode() + this.right.hashCode();
}
/**
* <p>
* getRightOperant
* </p>
*
* @return a {@link org.evosuite.symbolic.expr.Expression} object.
*/
public Expression<Long> getRightOperant() {
return right;
}
/**
* <p>
* getLeftOperant
* </p>
*
* @return a {@link org.evosuite.symbolic.expr.Expression} object.
*/
public Expression<Long> getLeftOperant() {
return left;
}
/** {@inheritDoc} */
@Override
public String toString() {
return "(" + left + " cmp " + right + ")";
}
@Override
public Set<Variable<?>> getVariables() {
Set<Variable<?>> variables = new HashSet<Variable<?>>();
variables.addAll(this.left.getVariables());
variables.addAll(this.right.getVariables());
return variables;
}
@Override
public Set<Object> getConstants() {
Set<Object> result = new HashSet<Object>();
result.addAll(this.left.getConstants());
result.addAll(this.right.getConstants());
return result;
}
@Override
public <K, V> K accept(ExpressionVisitor<K, V> v, V arg) {
return v.visit(this, arg);
}
}