public void TestSatisfiableRange()
{
using (var ctx = new Context())
{
IPAddress low = IPAddress.Parse("127.0.0.1");
IPAddress high = IPAddress.Parse("127.0.0.10");
var range = new AddressRange
{
Low = low,
High = high
};
string variableName = "address";
BitVecExpr variable = ctx.MkConst(variableName, ctx.MkBitVecSort(32)) as BitVecExpr;
Assert.IsNotNull(variable);
Solver s = ctx.MkSolver();
s.Assert(range.Contains(ctx, variable));
Status result = s.Check();
Assert.AreEqual(Status.SATISFIABLE, result);
IPAddress binding;
Assert.IsTrue(RetrieveModelValue.TryRetrieveAddress(variableName, s.Model, out binding));
Assert.IsTrue(AddressRangeTest.CompareAddresses(low, binding) >= 0);
Assert.IsTrue(AddressRangeTest.CompareAddresses(high, binding) <= 0);
}
}
public void TestSingle()
{
using (var ctx = new Context())
{
IPAddress single = IPAddress.Parse("192.168.0.1");
var range = new AddressRange
{
Low = single,
High = single
};
string variableName = "address";
BitVecExpr variable = ctx.MkConst(variableName, ctx.MkBitVecSort(32)) as BitVecExpr;
Solver s = ctx.MkSolver();
s.Assert(range.Contains(ctx, variable));
Status result = s.Check();
Assert.AreEqual(Status.SATISFIABLE, result);
IPAddress binding;
Assert.IsTrue(RetrieveModelValue.TryRetrieveAddress(variableName, s.Model, out binding));
Assert.AreEqual(single, binding);
}
}