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Example 66 with IntegerValue

use of org.evosuite.symbolic.expr.bv.IntegerValue in project evosuite by EvoSuite.

the class ArithmeticVM method LXOR.

/**
 * @see http
 *      ://java.sun.com/docs/books/jvms/second_edition/html/Instructions2
 *      .doc8.html#lxor
 */
@Override
public void LXOR() {
    IntegerValue right = env.topFrame().operandStack.popBv64();
    IntegerValue left = env.topFrame().operandStack.popBv64();
    long left_concrete_value = ((Long) left.getConcreteValue()).longValue();
    long right_concrete_value = ((Long) right.getConcreteValue()).longValue();
    if (!left.containsSymbolicVariable()) {
        left = ExpressionFactory.buildNewIntegerConstant(left_concrete_value);
    }
    if (!right.containsSymbolicVariable()) {
        right = ExpressionFactory.buildNewIntegerConstant(right_concrete_value);
    }
    long con = left_concrete_value ^ right_concrete_value;
    IntegerValue intExpr = new IntegerBinaryExpression(left, Operator.IXOR, right, (long) con);
    env.topFrame().operandStack.pushBv64(intExpr);
}
Also used : IntegerBinaryExpression(org.evosuite.symbolic.expr.bv.IntegerBinaryExpression) IntegerValue(org.evosuite.symbolic.expr.bv.IntegerValue)

Example 67 with IntegerValue

use of org.evosuite.symbolic.expr.bv.IntegerValue in project evosuite by EvoSuite.

the class ArithmeticVM method L2F.

@Override
public void L2F() {
    IntegerValue integerExpr = env.topFrame().operandStack.popBv64();
    long longValue = ((Long) integerExpr.getConcreteValue()).longValue();
    RealValue realExpr;
    float concreteValue = (float) longValue;
    if (!integerExpr.containsSymbolicVariable()) {
        realExpr = ExpressionFactory.buildNewRealConstant(concreteValue);
    } else {
        realExpr = new IntegerToRealCast(integerExpr, (double) concreteValue);
    }
    env.topFrame().operandStack.pushFp32(realExpr);
}
Also used : RealValue(org.evosuite.symbolic.expr.fp.RealValue) IntegerToRealCast(org.evosuite.symbolic.expr.fp.IntegerToRealCast) IntegerValue(org.evosuite.symbolic.expr.bv.IntegerValue)

Example 68 with IntegerValue

use of org.evosuite.symbolic.expr.bv.IntegerValue in project evosuite by EvoSuite.

the class ArithmeticVM method IDIV.

/**
 * a/b
 *
 * if (b==0) throw exception; // clear stack, push exception else actual
 * division // compute, push result
 *
 * @see http
 *      ://java.sun.com/docs/books/jvms/second_edition/html/Instructions2
 *      .doc6.html#idiv
 */
@Override
public void IDIV(int rhsValue) {
    // consume all operands in stack
    IntegerValue right = env.topFrame().operandStack.popBv32();
    IntegerValue left = env.topFrame().operandStack.popBv32();
    if (zeroViolation(right, rhsValue))
        return;
    int left_concrete_value = ((Long) left.getConcreteValue()).intValue();
    int right_concrete_value = ((Long) right.getConcreteValue()).intValue();
    if (!left.containsSymbolicVariable()) {
        left = ExpressionFactory.buildNewIntegerConstant(left_concrete_value);
    }
    if (!right.containsSymbolicVariable()) {
        right = ExpressionFactory.buildNewIntegerConstant(right_concrete_value);
    }
    int con = left_concrete_value / right_concrete_value;
    IntegerValue intExpr = ExpressionFactory.div(left, right, (long) con);
    env.topFrame().operandStack.pushBv32(intExpr);
}
Also used : IntegerValue(org.evosuite.symbolic.expr.bv.IntegerValue) IntegerConstraint(org.evosuite.symbolic.expr.IntegerConstraint)

Example 69 with IntegerValue

use of org.evosuite.symbolic.expr.bv.IntegerValue in project evosuite by EvoSuite.

the class ArithmeticVM method IOR.

/**
 * bitwise OR
 *
 * http://java.sun.com/docs/books/jvms/second_edition/html/Instructions2.
 * doc6.html#ior
 */
@Override
public void IOR() {
    IntegerValue right = env.topFrame().operandStack.popBv32();
    IntegerValue left = env.topFrame().operandStack.popBv32();
    int left_concrete_value = ((Long) left.getConcreteValue()).intValue();
    int right_concrete_value = ((Long) right.getConcreteValue()).intValue();
    if (!left.containsSymbolicVariable()) {
        left = ExpressionFactory.buildNewIntegerConstant(left_concrete_value);
    }
    if (!right.containsSymbolicVariable()) {
        right = ExpressionFactory.buildNewIntegerConstant(right_concrete_value);
    }
    int con = left_concrete_value | right_concrete_value;
    IntegerValue intExpr = new IntegerBinaryExpression(left, Operator.IOR, right, (long) con);
    env.topFrame().operandStack.pushBv32(intExpr);
}
Also used : IntegerBinaryExpression(org.evosuite.symbolic.expr.bv.IntegerBinaryExpression) IntegerValue(org.evosuite.symbolic.expr.bv.IntegerValue) IntegerConstraint(org.evosuite.symbolic.expr.IntegerConstraint)

Example 70 with IntegerValue

use of org.evosuite.symbolic.expr.bv.IntegerValue in project evosuite by EvoSuite.

the class ArithmeticVM method I2D.

/**
 * http://java.sun.com/docs/books/jvms/second_edition/html/Instructions2.
 * doc6.html#i2d
 */
@Override
public void I2D() {
    IntegerValue integerExpr = env.topFrame().operandStack.popBv32();
    int integerValue = ((Long) integerExpr.getConcreteValue()).intValue();
    RealValue realExpr;
    double concreteValue = (double) integerValue;
    if (!integerExpr.containsSymbolicVariable()) {
        realExpr = ExpressionFactory.buildNewRealConstant(concreteValue);
    } else {
        realExpr = new IntegerToRealCast(integerExpr, (double) concreteValue);
    }
    env.topFrame().operandStack.pushFp64(realExpr);
}
Also used : RealValue(org.evosuite.symbolic.expr.fp.RealValue) IntegerToRealCast(org.evosuite.symbolic.expr.fp.IntegerToRealCast) IntegerValue(org.evosuite.symbolic.expr.bv.IntegerValue) IntegerConstraint(org.evosuite.symbolic.expr.IntegerConstraint)

Aggregations

IntegerValue (org.evosuite.symbolic.expr.bv.IntegerValue)117 IntegerConstraint (org.evosuite.symbolic.expr.IntegerConstraint)48 ReferenceConstant (org.evosuite.symbolic.expr.ref.ReferenceConstant)32 ReferenceExpression (org.evosuite.symbolic.expr.ref.ReferenceExpression)27 RealValue (org.evosuite.symbolic.expr.fp.RealValue)22 IntegerBinaryExpression (org.evosuite.symbolic.expr.bv.IntegerBinaryExpression)14 Expression (org.evosuite.symbolic.expr.Expression)8 StringValue (org.evosuite.symbolic.expr.str.StringValue)8 IntegerConstant (org.evosuite.symbolic.expr.bv.IntegerConstant)7 Type (org.objectweb.asm.Type)7 RealToIntegerCast (org.evosuite.symbolic.expr.bv.RealToIntegerCast)6 IntegerToRealCast (org.evosuite.symbolic.expr.fp.IntegerToRealCast)6 IntegerUnaryExpression (org.evosuite.symbolic.expr.bv.IntegerUnaryExpression)5 PrimitiveExpression (org.evosuite.testcase.statements.PrimitiveExpression)4 ArrayList (java.util.ArrayList)3 CodeUnderTestException (org.evosuite.testcase.execution.CodeUnderTestException)3 Field (java.lang.reflect.Field)2 BigInteger (java.math.BigInteger)2 Vector (java.util.Vector)2 Constraint (org.evosuite.symbolic.expr.Constraint)2