/**
* 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.instrumentation.mutation;
import static org.junit.Assert.assertEquals;
import org.evosuite.instrumentation.mutation.ReplaceComparisonOperator;
import org.junit.Test;
import org.objectweb.asm.Opcodes;
/**
* @author fraser
*
*/
public class TestComparisonOperator {
@Test
public void testComparisonZeroEQ() {
// x == 0 vs x != 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFEQ,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFEQ,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFEQ,
Opcodes.IFNE),
0.0);
// x == 0 vs x < 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFEQ,
Opcodes.IFLT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFEQ,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFEQ,
Opcodes.IFLT),
0.0);
// x == 0 vs x <= 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFEQ,
Opcodes.IFLE),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFEQ,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFEQ,
Opcodes.IFLE),
0.0);
// x == 0 vs x > 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFEQ,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFEQ,
Opcodes.IFGT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFEQ,
Opcodes.IFGT),
0.0);
// x == 0 vs x >= 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFEQ,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFEQ,
Opcodes.IFGE),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFEQ,
Opcodes.IFGE),
0.0);
}
@Test
public void testComparisonZeroNE() {
// x != 0 vs x == 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFNE,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFNE,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFNE,
Opcodes.IFEQ),
0.0);
// x != 0 vs x < 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFNE,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFNE,
Opcodes.IFLT),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFNE,
Opcodes.IFLT),
0.0);
// x != 0 vs x <= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFNE,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFNE,
Opcodes.IFLE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFNE,
Opcodes.IFLE),
0.0);
// x != 0 vs x > 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFNE,
Opcodes.IFGT),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFNE,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFNE,
Opcodes.IFGT),
0.0);
// x != 0 vs x >= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFNE,
Opcodes.IFGE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFNE,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFNE,
Opcodes.IFGE),
0.0);
}
@Test
public void testComparisonZeroLT() {
// x < 0 vs x == 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLT,
Opcodes.IFEQ),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLT,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLT,
Opcodes.IFEQ),
0.0);
// x < 0 vs x != 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLT,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLT,
Opcodes.IFNE),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLT,
Opcodes.IFNE),
0.0);
// x < 0 vs x <= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLT,
Opcodes.IFLE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLT,
Opcodes.IFLE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLT,
Opcodes.IFLE),
0.0);
// x < 0 vs x > 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLT,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLT,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLT,
Opcodes.IFGT),
0.0);
// x < 0 vs x >= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLT,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLT,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLT,
Opcodes.IFGE),
0.0);
}
@Test
public void testComparisonZeroLE() {
// x <= 0 vs x == 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLE,
Opcodes.IFEQ),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLE,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLE,
Opcodes.IFEQ),
0.0);
// x <= 0 vs x != 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLE,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLE,
Opcodes.IFNE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLE,
Opcodes.IFNE),
0.0);
// x <= 0 vs x < 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLE,
Opcodes.IFLT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLE,
Opcodes.IFLT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLE,
Opcodes.IFLT),
0.0);
// x <= 0 vs x > 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLE,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLE,
Opcodes.IFGT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLE,
Opcodes.IFGT),
0.0);
// x <= 0 vs x >= 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFLE,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFLE,
Opcodes.IFGE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFLE,
Opcodes.IFGE),
0.0);
}
@Test
public void testComparisonZeroGT() {
// x > 0 vs x == 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGT,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGT,
Opcodes.IFEQ),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGT,
Opcodes.IFEQ),
0.0);
// x > 0 vs x != 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGT,
Opcodes.IFNE),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGT,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGT,
Opcodes.IFNE),
0.0);
// x > 0 vs x <= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGT,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGT,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGT,
Opcodes.IFLE),
0.0);
// x > 0 vs x < 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGT,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGT,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGT,
Opcodes.IFLT),
0.0);
// x > 0 vs x >= 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGT,
Opcodes.IFGE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGT,
Opcodes.IFGE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGT,
Opcodes.IFGE),
0.0);
}
@Test
public void testComparisonZeroGE() {
// x >= 0 vs x == 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGE,
Opcodes.IFEQ),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGE,
Opcodes.IFEQ),
0.0);
assertEquals(2.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGE,
Opcodes.IFEQ),
0.0);
// x >= 0 vs x != 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGE,
Opcodes.IFNE),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGE,
Opcodes.IFNE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGE,
Opcodes.IFNE),
0.0);
// x >= 0 vs x <= 0
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGE,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGE,
Opcodes.IFLE),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGE,
Opcodes.IFLE),
0.0);
// x >= 0 vs x < 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGE,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGE,
Opcodes.IFLT),
0.0);
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGE,
Opcodes.IFLT),
0.0);
// x >= 0 vs x > 0
assertEquals(0.0, ReplaceComparisonOperator.getInfectionDistance(0, Opcodes.IFGE,
Opcodes.IFGT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(1, Opcodes.IFGE,
Opcodes.IFGT),
0.0);
assertEquals(1.0, ReplaceComparisonOperator.getInfectionDistance(-1,
Opcodes.IFGE,
Opcodes.IFGT),
0.0);
}
@Test
public void testComparisonTwoEQ() {
// x == 0 vs x != 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(0, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
// x == 0 vs x < 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(0, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
// x == 0 vs x <= 0
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(0, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
assertEquals(2.0,
ReplaceComparisonOperator.getInfectionDistance(1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
// x == 0 vs x > 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(0, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(-1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
// x == 0 vs x >= 0
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(0, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
assertEquals(2.0,
ReplaceComparisonOperator.getInfectionDistance(-1, 0,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
}
@Test
public void testComparisonTwoEQ2() {
// x == 0 vs x != 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(10, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPNE),
0.0);
// x == 0 vs x < 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(10, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLT),
0.0);
// x == 0 vs x <= 0
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(10, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
assertEquals(2.0,
ReplaceComparisonOperator.getInfectionDistance(11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(-11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPLE),
0.0);
// x == 0 vs x > 0
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(10, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
assertEquals(21.0,
ReplaceComparisonOperator.getInfectionDistance(-11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGT),
0.0);
// x == 0 vs x >= 0
assertEquals(1.0,
ReplaceComparisonOperator.getInfectionDistance(10, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
assertEquals(0.0,
ReplaceComparisonOperator.getInfectionDistance(11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
assertEquals(22.0,
ReplaceComparisonOperator.getInfectionDistance(-11, 10,
Opcodes.IF_ICMPEQ,
Opcodes.IF_ICMPGE),
0.0);
}
}