Example usage for org.objectweb.asm Opcodes IFGT

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes IFGT.

Prototype

int IFGT

To view the source code for org.objectweb.asm Opcodes IFGT.

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Usage

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

/**
 * <p>getInfectionDistance</p>
 *
 * @param intVal a int.//from  ww  w.  j  ava2  s  . c  om
 * @param opcodeOrig a int.
 * @param opcodeNew a int.
 * @return a double.
 */
public static double getInfectionDistance(int intVal, int opcodeOrig, int opcodeNew) {
    long val = intVal;
    switch (opcodeOrig) {
    case Opcodes.IFLT:
        switch (opcodeNew) {
        case Opcodes.IFLE:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            // Only differs for val <= 0
            return val > 0 ? val : 0.0;
        case Opcodes.IFGT:
            // Only same for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFGE:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs for val > 0
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case TRUE:
            return val < 0 ? 1.0 : 0.0;
        case FALSE:
            return val < 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFLE:
        switch (opcodeNew) {
        case Opcodes.IFLT:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            // Only equals for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFGT:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs if val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case TRUE:
            return val <= 0 ? 1.0 : 0.0;
        case FALSE:
            return val <= 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFGT:
        switch (opcodeNew) {
        case Opcodes.IFGE:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            // Only differs for val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFLT:
            // Only same for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFLE:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs for val < 0
            return val >= 0 ? val + 1.0 : 0.0;
        case TRUE:
            return val > 0 ? 1.0 : 0.0;
        case FALSE:
            return val > 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFGE:
        switch (opcodeNew) {
        case Opcodes.IFGT:
            // Only differs for val == 0
            return Math.abs(val);
        case Opcodes.IFEQ:
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case Opcodes.IFLE:
            // Only equals for val == 0
            return val == 0 ? 1.0 : 0.0;
        case Opcodes.IFLT:
            // Always differs
            return 0.0;
        case Opcodes.IFNE:
            // Only differs if val > 0
            return val > 0 ? val : 0.0;
        case TRUE:
            return val >= 0 ? 1.0 : 0.0;
        case FALSE:
            return val >= 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFEQ:
        switch (opcodeNew) {
        case Opcodes.IFLT:
            // Only differs if val <= 0
            return val > 0 ? val : 0.0;
        case Opcodes.IFGT:
            // Only differs if val >= 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFNE:
            // Always differs
            return 0.0;
        case Opcodes.IFLE:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case TRUE:
            return val == 0 ? 1.0 : 0.0;
        case FALSE:
            return val == 0 ? 0.0 : 1.0;
        }
    case Opcodes.IFNE:
        switch (opcodeNew) {
        case Opcodes.IFEQ:
            return 0.0;
        case Opcodes.IFLT:
            // Only differs for val > 0
            return val <= 0 ? Math.abs(val) + 1.0 : 0.0;
        case Opcodes.IFLE:
            // Only differs for val > 0
            return val < 0 ? Math.abs(val) : 0.0;
        case Opcodes.IFGT:
            return val >= 0 ? val + 1.0 : 0.0;
        case Opcodes.IFGE:
            return val > 0 ? val : 0.0;
        case TRUE:
            return val != 0 ? 1.0 : 0.0;
        case FALSE:
            return val != 0 ? 0.0 : 1.0;
        }

    }

    throw new RuntimeException("Unknown operator replacement: " + opcodeOrig + " -> " + opcodeNew);
}

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

private int getBooleanIntReplacement(int opcode) {
    logger.debug("Getting Boolean int replacement");
    switch (opcode) {
    case Opcodes.IFEQ:
        return Opcodes.IFNE;
    case Opcodes.IFNE:
        return Opcodes.IFEQ;
    case Opcodes.IFGT:
        return Opcodes.IFEQ;
    case Opcodes.IFLE:
        return Opcodes.IFGT;
    // The rest should not occur except if our interpreter did something wrong
    case Opcodes.IFGE:
        return Opcodes.IFLT;
    case Opcodes.IFLT:
        return Opcodes.IFGE;
    }//from w  ww  .  ja v a 2s.  co m
    throw new RuntimeException("Illegal opcode received: " + opcode);
}

From source file:org.evosuite.instrumentation.mutation.ReplaceComparisonOperator.java

License:Open Source License

private Set<Integer> getIntReplacement(int opcode) {
    logger.debug("Getting int replacement");

    Set<Integer> replacement = new HashSet<Integer>();
    switch (opcode) {
    case Opcodes.IFEQ:
        replacement.add(Opcodes.IFGE);//from   w w  w. j  a va  2  s .  c  o m
        replacement.add(Opcodes.IFLE);
        replacement.add(FALSE);
        // False
        break;
    case Opcodes.IFNE:
        replacement.add(Opcodes.IFLT);
        replacement.add(Opcodes.IFGT);
        // True
        replacement.add(TRUE);
        break;
    case Opcodes.IFGT:
        replacement.add(Opcodes.IFGE);
        replacement.add(Opcodes.IFNE);
        // False
        replacement.add(FALSE);
        break;
    case Opcodes.IFLE:
        replacement.add(Opcodes.IFLT);
        replacement.add(Opcodes.IFEQ);
        // True
        replacement.add(TRUE);
        break;
    case Opcodes.IFGE:
        replacement.add(Opcodes.IFGT);
        replacement.add(Opcodes.IFEQ);
        // True
        replacement.add(TRUE);
        break;
    case Opcodes.IFLT:
        replacement.add(Opcodes.IFLE);
        replacement.add(Opcodes.IFNE);
        // False
        replacement.add(FALSE);
        break;
    }
    return replacement;
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.mutation.TestComparisonOperator.java

License:Open Source License

@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);
}

From source file:org.evosuite.instrumentation.StringTransformation.java

License:Open Source License

/**
 * <p>/*from ww  w .  j  a  v  a  2s .  c o m*/
 * transformMethod
 * </p>
 * 
 * @param mn
 *            a {@link org.objectweb.asm.tree.MethodNode} object.
 * @return a boolean.
 */
public boolean transformMethod(MethodNode mn) {
    boolean changed = transformStrings(mn);
    if (changed) {
        try {
            mn.maxStack++;
            Analyzer a = new Analyzer(new StringBooleanInterpreter());
            a.analyze(cn.name, mn);
            Frame[] frames = a.getFrames();
            AbstractInsnNode node = mn.instructions.getFirst();
            boolean done = false;
            while (!done) {
                if (node == mn.instructions.getLast())
                    done = true;
                AbstractInsnNode next = node.getNext();
                int index = mn.instructions.indexOf(node);
                if (index >= frames.length)
                    break;
                Frame current = frames[index];
                if (current == null)
                    break;
                int size = current.getStackSize();
                if (node.getOpcode() == Opcodes.IFNE) {
                    JumpInsnNode branch = (JumpInsnNode) node;
                    if (current.getStack(size - 1) == StringBooleanInterpreter.STRING_BOOLEAN
                            || isStringMethod(node.getPrevious())) {
                        logger.info("IFNE -> IFGT");
                        branch.setOpcode(Opcodes.IFGT);
                        // branch.setOpcode(Opcodes.IFGE);
                    }
                } else if (node.getOpcode() == Opcodes.IFEQ) {
                    JumpInsnNode branch = (JumpInsnNode) node;
                    if (current.getStack(size - 1) == StringBooleanInterpreter.STRING_BOOLEAN
                            || isStringMethod(node.getPrevious())) {
                        logger.info("IFEQ -> IFLE");
                        branch.setOpcode(Opcodes.IFLE);
                        // branch.setOpcode(Opcodes.IFNE);
                    }
                } else if (node.getOpcode() == Opcodes.IF_ICMPEQ) {
                    JumpInsnNode branch = (JumpInsnNode) node;
                    if (current.getStack(size - 2) == StringBooleanInterpreter.STRING_BOOLEAN
                            || isStringMethod(node.getPrevious().getPrevious())) {
                        if (node.getPrevious().getOpcode() == Opcodes.ICONST_0) {
                            branch.setOpcode(Opcodes.IFLE);
                            mn.instructions.remove(node.getPrevious());
                        } else if (node.getPrevious().getOpcode() == Opcodes.ICONST_1) {
                            branch.setOpcode(Opcodes.IFGT);
                            mn.instructions.remove(node.getPrevious());
                        }
                    }
                } else if (node.getOpcode() == Opcodes.IF_ICMPNE) {
                    JumpInsnNode branch = (JumpInsnNode) node;
                    if (current.getStack(size - 2) == StringBooleanInterpreter.STRING_BOOLEAN
                            || isStringMethod(node.getPrevious().getPrevious())) {
                        if (node.getPrevious().getOpcode() == Opcodes.ICONST_0) {
                            branch.setOpcode(Opcodes.IFGT);
                            mn.instructions.remove(node.getPrevious());
                        } else if (node.getPrevious().getOpcode() == Opcodes.ICONST_1) {
                            branch.setOpcode(Opcodes.IFLE);
                            mn.instructions.remove(node.getPrevious());
                        }
                    }
                } else if (node.getOpcode() == Opcodes.IRETURN) {
                    if (current.getStack(size - 1) == StringBooleanInterpreter.STRING_BOOLEAN
                            || isStringMethod(node.getPrevious())) {
                        logger.info("IFEQ -> IFLE");
                        MethodInsnNode n = new MethodInsnNode(Opcodes.INVOKESTATIC,
                                Type.getInternalName(BooleanHelper.class), "intToBoolean",
                                Type.getMethodDescriptor(Type.BOOLEAN_TYPE, new Type[] { Type.INT_TYPE }));

                        mn.instructions.insertBefore(node, n);
                    }
                }
                node = next;
            }
        } catch (Exception e) {
            logger.warn("EXCEPTION DURING STRING TRANSFORMATION: {}", e);
            e.printStackTrace();
            return changed;
        }
    }
    return changed;
}