/**
* 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.assertion;
import org.evosuite.testcase.TestCase;
import org.evosuite.testcase.execution.CodeUnderTestException;
import org.evosuite.testcase.execution.Scope;
public class NullAssertion extends Assertion {
private static final long serialVersionUID = 8486987896764253928L;
/** {@inheritDoc} */
@Override
public Assertion copy(TestCase newTestCase, int offset) {
NullAssertion s = new NullAssertion();
s.source = newTestCase.getStatement(source.getStPosition() + offset).getReturnValue();
s.value = value;
s.comment = comment;
s.killedMutants.addAll(killedMutants);
assert (s.isValid());
return s;
}
/** {@inheritDoc} */
@Override
public boolean evaluate(Scope scope) {
try {
if (((Boolean) value).booleanValue()) {
return source.getObject(scope) == null;
} else {
return source.getObject(scope) != null;
}
} catch (CodeUnderTestException e) {
throw new UnsupportedOperationException();
}
}
/** {@inheritDoc} */
@Override
public String getCode() {
if (((Boolean) value).booleanValue()) {
return "assertNull(" + source.getName() + ");";
} else
return "assertNotNull(" + source.getName() + ");";
}
}