/**
 * 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.solver.avm;

import static org.evosuite.symbolic.solver.TestSolver.solve;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.util.Arrays;
import java.util.Collection;
import java.util.Map;

import org.evosuite.RandomizedTC;
import org.evosuite.symbolic.expr.Comparator;
import org.evosuite.symbolic.expr.Constraint;
import org.evosuite.symbolic.expr.Operator;
import org.evosuite.symbolic.expr.StringConstraint;
import org.evosuite.symbolic.expr.bv.IntegerConstant;
import org.evosuite.symbolic.expr.bv.StringBinaryComparison;
import org.evosuite.symbolic.expr.str.StringConstant;
import org.evosuite.symbolic.expr.str.StringVariable;
import org.evosuite.symbolic.solver.SolverTimeoutException;
import org.evosuite.symbolic.solver.avm.EvoSuiteSolver;
import org.junit.Test;

public class TestStringEqualsIgnoreCase extends RandomizedTC {

	@Test
	public void testStringEqualsIgnoreCase() throws SecurityException, NoSuchMethodException, SolverTimeoutException {

		IntegerConstant zero = new IntegerConstant(0);
		StringVariable stringVar0 = new StringVariable("var0", "");
		StringConstant strConst = new StringConstant("bar");

		StringBinaryComparison cmp1 = new StringBinaryComparison(stringVar0, Operator.EQUALS, strConst, 0L);
		StringConstraint constr1 = new StringConstraint(cmp1, Comparator.EQ, zero);

		StringBinaryComparison cmp2 = new StringBinaryComparison(stringVar0, Operator.EQUALSIGNORECASE, strConst, 1L);
		StringConstraint constr2 = new StringConstraint(cmp2, Comparator.NE, zero);

		Collection<Constraint<?>> constraints = Arrays.<Constraint<?>> asList(constr1, constr2);

		EvoSuiteSolver solver = new EvoSuiteSolver();

		Map<String, Object> solution = solve(solver, constraints);
		assertNotNull(solution);
		String var0 = (String) solution.get("var0");

		assertNotNull(var0);
		assertTrue(!var0.equals("bar"));
		assertTrue(var0.equalsIgnoreCase("bar"));
	}

}